USP Standards P - R

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1491332 Paclitaxel United States Pharmacopeia (USP) Reference Standard
    • 1491365 Paclitaxel impurity mixture United States Pharmacopeia (USP) Reference Standard
    • 1491343 Paclitaxel Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1491354 Paclitaxel Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1491503 Padimate O United States Pharmacopeia (USP) Reference Standard
    • 1491809 Paliperidone United States Pharmacopeia (USP) Reference Standard
    • 1491818 Paliperidone Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1491820 Paliperidone Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1491831 Paliperidone Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1491842 Paliperidone Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1491795 Paliperidone Resolution Mixture United States Pharmacopeia (USP) Reference Standard
    • 1492007 Palmitic acid United States Pharmacopeia (USP) Reference Standard
    • 1492040 Palm oil United States Pharmacopeia (USP) Reference Standard
    • 1492200 Palonosetron hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1492211 Palonosetron Enantiomer United States Pharmacopeia (USP) Reference Standard
    • 1492222 Palonosetron Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1492233 Palonosetron Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1492244 Palonosetron Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1492255 Palonosetron Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1492266 Palonosetron Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1492700 Pamabrom Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1492801 Pamidronate disodium United States Pharmacopeia (USP) Reference Standard
    • 1493000 Pamoic acid United States Pharmacopeia (USP) Reference Standard
    • 1291719 Panax Notoginseng Root and Rhizome Dry Extract United States Pharmacopeia (USP) Reference Standard
    • 1494057 Pancreatin amylase and protease United States Pharmacopeia (USP) Reference Standard
    • 1494079 Pancreatin lipase United States Pharmacopeia (USP) Reference Standard
    • 1494217 Pancuronium bromide United States Pharmacopeia (USP) Reference Standard
    • 1494228 Pancuronium bromide Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1494239 Pancuronium bromide Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1494240 Pancuronium bromide Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1494501 Panthenol, racemic United States Pharmacopeia (USP) Reference Standard
    • 1494807 Pantolactone United States Pharmacopeia (USP) Reference Standard
    • 1494909 Pantoprazole Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1494910 Pantoprazole Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1494920 Pantoprazole Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1494942 Pantoprazole Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1494931 Pantoprazole Related Compounds D and F Mixture United States Pharmacopeia (USP) Reference Standard
    • 1494895 Pantoprazole sodium United States Pharmacopeia (USP) Reference Standard
    • 1495005 Papain United States Pharmacopeia (USP) Reference Standard
    • 1496008 Papaverine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1496802 Parachlorophenol United States Pharmacopeia (USP) Reference Standard
    • 1496904 Paraffin United States Pharmacopeia (USP) Reference Standard
    • 1498706 Parbendazole United States Pharmacopeia (USP) Reference Standard
    • 1499403 Paricalcitol United States Pharmacopeia (USP) Reference Standard
    • 1499414 Paricalcitol solution United States Pharmacopeia (USP) Reference Standard
    • 1500003 Paromomycin sulfate United States Pharmacopeia (USP) Reference Standard
    • 1500218 Paroxetine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1500230 Paroxetine Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1500240 Paroxetine Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1500251 Paroxetine Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1500273 Paroxetine Related Compound F United States Pharmacopeia (USP) Reference Standard
    • 1500284 Paroxetine Related Compound G ~21% povidone, United States Pharmacopeia (USP) Reference Standard
    • 1500262 Paroxetine Related Compound E Mixture United States Pharmacopeia (USP) Reference Standard
    • 1500353 Paroxetine System Suitability Mixture A United States Pharmacopeia (USP) Reference Standard
    • 1500400 Parthenolide United States Pharmacopeia (USP) Reference Standard
    • 1396659 Partially-neutralized methacrylic acid and ethyl acrylate copolymer (1:1) United States Pharmacopeia (USP) Reference Standard
    • 1500502 Particle Count Set United States Pharmacopeia (USP) Reference Standard
    • 1500557 Peanut oil United States Pharmacopeia (USP) Reference Standard
    • 1500626 Pegfilgrastim for Bioassay United States Pharmacopeia (USP) Reference Standard
    • 1500808 Penbutolol sulfate United States Pharmacopeia (USP) Reference Standard
    • 1501006 Penicillamine United States Pharmacopeia (USP) Reference Standard
    • 1501108 Penicillamine disulfide United States Pharmacopeia (USP) Reference Standard
    • 1504489 Penicillin V United States Pharmacopeia (USP) Reference Standard
    • 1502009 Penicillin G benzathine United States Pharmacopeia (USP) Reference Standard
    • 1502508 Penicillin G potassium United States Pharmacopeia (USP) Reference Standard
    • 1504503 Penicillin V potassium United States Pharmacopeia (USP) Reference Standard
    • 1502552 Penicillin G procaine United States Pharmacopeia (USP) Reference Standard
    • 1502701 Penicillin G sodium United States Pharmacopeia (USP) Reference Standard
    • 1504900 Pentamidine isethionate United States Pharmacopeia (USP) Reference Standard
    • 1504933 Pentane United States Pharmacopeia (USP) Reference Standard
    • 1504955 1-Pentanol United States Pharmacopeia (USP) Reference Standard
    • 1505007 Pentazocine United States Pharmacopeia (USP) Reference Standard
    • 1505506 Pentetic acid United States Pharmacopeia (USP) Reference Standard
    • 1507002 Pentobarbital United States Pharmacopeia (USP) Reference Standard
    • 1508901 Pentoxifylline United States Pharmacopeia (USP) Reference Standard
    • 1510051 Pepsin for assay United States Pharmacopeia (USP) Reference Standard
    • 1510801 Perflubron United States Pharmacopeia (USP) Reference Standard
    • 1510845 Pergolide mesylate United States Pharmacopeia (USP) Reference Standard
    • 1510867 Pergolide sulfoxide United States Pharmacopeia (USP) Reference Standard
    • 1510889 Perindopril erbumine United States Pharmacopeia (USP) Reference Standard
    • 1510890 Perindopril Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1510903 Perindopril Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1510914 Perindopril Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1510925 Perindopril Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1510936 Perindopril Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1510947 Perindopril Related Compound F United States Pharmacopeia (USP) Reference Standard
    • 1510999 Perindopril Related Compound K United States Pharmacopeia (USP) Reference Standard
    • 1511000 Perphenazine United States Pharmacopeia (USP) Reference Standard
    • 1511021 Perphenazine Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1511203 Perphenazine sulfoxide United States Pharmacopeia (USP) Reference Standard
    • 1513005 Phenacetin United States Pharmacopeia (USP) Reference Standard
    • 1514008 Phenacetin Melting Point Standard United States Pharmacopeia (USP) Reference Standard
    • 1515000 Phenazopyridine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1516003 Phencyclidine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1516502 Phendimetrazine tartrate United States Pharmacopeia (USP) Reference Standard
    • 1517006 Phenelzine sulfate United States Pharmacopeia (USP) Reference Standard
    • 1522301 Pheniramine maleate United States Pharmacopeia (USP) Reference Standard
    • 1524001 Phenobarbital United States Pharmacopeia (USP) Reference Standard
    • 1524806 Phenol United States Pharmacopeia (USP) Reference Standard
    • 1525707 Phenothiazine United States Pharmacopeia (USP) Reference Standard
    • 1526007 Phenoxybenzamine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1526200 Phenoxyethanol United States Pharmacopeia (USP) Reference Standard
    • 1528002 Phensuximide United States Pharmacopeia (USP) Reference Standard
    • 1528501 Phentermine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1530004 Phentolamine mesylate United States Pharmacopeia (USP) Reference Standard
    • 1530503 L-Phenylalanine United States Pharmacopeia (USP) Reference Standard
    • 1531007 Phenylbutazone United States Pharmacopeia (USP) Reference Standard
    • 1614523 Phenylbutyrate Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1614556 Phenylbutyrate Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1614534 Phenylbutyrate Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1533002 Phenylephrine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1532950 Phenylephrine bitartrate United States Pharmacopeia (USP) Reference Standard
    • 1533024 Phenylephrine Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1533035 Phenylephrine Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1533046 Phenylephrine Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1533261 Phenylephrine Related Compound F United States Pharmacopeia (USP) Reference Standard
    • 1533272 Phenylephrine Related Compound G United States Pharmacopeia (USP) Reference Standard
    • 1533250 Phenylethyl alcohol United States Pharmacopeia (USP) Reference Standard
    • 1533308 5-Phenylhydantoin United States Pharmacopeia (USP) Reference Standard
    • 1534005 Phenylpropanolamine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1534209 Phenyl salicylate melting point standard approximately 41 degrees, United States Pharmacopeia (USP) Reference Standard
    • 1534402 Phenyltoloxamine citrate United States Pharmacopeia (USP) Reference Standard
    • 1534413 Phenyltoloxamine Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1535008 Phenytoin United States Pharmacopeia (USP) Reference Standard
    • 1535019 Phenytoin Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1535020 Phenytoin Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1535507 Phenytoin sodium United States Pharmacopeia (USP) Reference Standard
    • 1535700 Phosphated Riboflavin United States Pharmacopeia (USP) Reference Standard
    • 1535722 Phosphatidic acid (Soy) Monosodium United States Pharmacopeia (USP) Reference Standard
    • 1535733 Phosphatidylcholine United States Pharmacopeia (USP) Reference Standard
    • 1535755 Phosphatidylcholine (Soy) United States Pharmacopeia (USP) Reference Standard
    • 1535744 Phosphatidylethanolamine United States Pharmacopeia (USP) Reference Standard
    • 1535766 Phosphatidylethanolamine (Soy) United States Pharmacopeia (USP) Reference Standard
    • 1535788 Phosphatidylinositol (Soy) Sodium United States Pharmacopeia (USP) Reference Standard
    • 1535899 Phthalic acid United States Pharmacopeia (USP) Reference Standard
    • 1536509 Phyllanthin United States Pharmacopeia (USP) Reference Standard
    • 1537003 Physostigmine salicylate United States Pharmacopeia (USP) Reference Standard
    • 1537910 Phytic acid solution United States Pharmacopeia (USP) Reference Standard
    • 1538006 Phytonadione United States Pharmacopeia (USP) Reference Standard
    • 1538505 Pilocarpine United States Pharmacopeia (USP) Reference Standard
    • 1538902 Pilocarpine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1539009 Pilocarpine nitrate United States Pharmacopeia (USP) Reference Standard
    • 1539508 Pimozide United States Pharmacopeia (USP) Reference Standard
    • 1539701 Pindolol United States Pharmacopeia (USP) Reference Standard
    • 1539905 Pioglitazone hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1541500 Piperacillin United States Pharmacopeia (USP) Reference Standard
    • 1541529 Piperacillin Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1541601 Piperazine United States Pharmacopeia (USP) Reference Standard
    • 1541907 Piperazine dihydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1541703 Piperazine adipate United States Pharmacopeia (USP) Reference Standard
    • 1541805 Piperazine citrate United States Pharmacopeia (USP) Reference Standard
    • 1542003 Piperazine phosphate United States Pharmacopeia (USP) Reference Standard
    • 1724419 3-(Piperazin-1-yl)benzo[d]isothiazole monohydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1543200 Piperine United States Pharmacopeia (USP) Reference Standard
    • 1544304 Pirbuterol acetate United States Pharmacopeia (USP) Reference Standard
    • 1544406 Piroctone olamine United States Pharmacopeia (USP) Reference Standard
    • 1544417 Piroctone Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1544428 Piroctone Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1544508 Piroxicam United States Pharmacopeia (USP) Reference Standard
    • 1544927 Plastic additive 1 United States Pharmacopeia (USP) Reference Standard
    • 1544938 Plastic additive 2 United States Pharmacopeia (USP) Reference Standard
    • 1544949 Plastic additive 3 United States Pharmacopeia (USP) Reference Standard
    • 1544950 Plastic additive 4 United States Pharmacopeia (USP) Reference Standard
    • 1544964 Plastic additive 5 United States Pharmacopeia (USP) Reference Standard
    • 1544971 Plastic additive 6 United States Pharmacopeia (USP) Reference Standard
    • 1544993 Plastic additive 8 United States Pharmacopeia (USP) Reference Standard
    • 1545001 Plastic additive 9 United States Pharmacopeia (USP) Reference Standard
    • 1545012 Plastic additive 10 United States Pharmacopeia (USP) Reference Standard
    • 1545023 Plastic additive 11 United States Pharmacopeia (USP) Reference Standard
    • 1545034 Plastic additive 12 United States Pharmacopeia (USP) Reference Standard
    • 1545045 Plastic additive 13 United States Pharmacopeia (USP) Reference Standard
    • 1545056 Plastic additive 14 United States Pharmacopeia (USP) Reference Standard
    • 1545067 Plastic additive 15 United States Pharmacopeia (USP) Reference Standard
    • 1545078 Plastic additive 16 United States Pharmacopeia (USP) Reference Standard
    • 1545089 Plastic Additive 17 United States Pharmacopeia (USP) Reference Standard
    • 1545409 Polacrilex Resin United States Pharmacopeia (USP) Reference Standard
    • 1545500 Polacrilin potassium United States Pharmacopeia (USP) Reference Standard
    • 1546106 Poloxalene United States Pharmacopeia (USP) Reference Standard
    • 1546150 Poloxamer liquid United States Pharmacopeia (USP) Reference Standard
    • 1546161 Poloxamer solid United States Pharmacopeia (USP) Reference Standard
    • 1372333 Polyallylamine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1546285 Polydextrose United States Pharmacopeia (USP) Reference Standard
    • 1546300 Polydimethylsiloxane United States Pharmacopeia (USP) Reference Standard
    • 1546489 Polyethylene glycol 1000 United States Pharmacopeia (USP) Reference Standard
    • 1546401 Polyethylene glycol 200 United States Pharmacopeia (USP) Reference Standard
    • 1546423 Polyethylene glycol 300 United States Pharmacopeia (USP) Reference Standard
    • 1546525 Polyethylene glycol 3000 United States Pharmacopeia (USP) Reference Standard
    • 1546547 Polyethylene glycol 3350 United States Pharmacopeia (USP) Reference Standard
    • 1546445 Polyethylene glycol 400 United States Pharmacopeia (USP) Reference Standard
    • 1546569 Polyethylene glycol 4000 United States Pharmacopeia (USP) Reference Standard
    • 1546467 Polyethylene glycol 600 United States Pharmacopeia (USP) Reference Standard
    • 1546580 Polyethylene glycol 6000 United States Pharmacopeia (USP) Reference Standard
    • 1546605 Polyethylene glycol 8000 United States Pharmacopeia (USP) Reference Standard
    • 1546853 Polyethylene oxide United States Pharmacopeia (USP) Reference Standard
    • 1546900 Polyethylene terephthalate United States Pharmacopeia (USP) Reference Standard
    • 1546922 Polyethylene terephthalate G United States Pharmacopeia (USP) Reference Standard
    • 1546944 Polyglyceryl 3 diisostearate United States Pharmacopeia (USP) Reference Standard
    • 1546933 Polyglyceryl 3 dioleate United States Pharmacopeia (USP) Reference Standard
    • 1546955 Polyglyceryl 6 dioleate United States Pharmacopeia (USP) Reference Standard
    • 1546966 Polyisobutylene United States Pharmacopeia (USP) Reference Standard
    • 1547007 Polymyxin B sulfate United States Pharmacopeia (USP) Reference Standard
    • 1547550 Polyoxyl 100 stearate United States Pharmacopeia (USP) Reference Standard
    • 1547200 Polyoxyl 35 castor oil United States Pharmacopeia (USP) Reference Standard
    • 1547801 Polyoxyl 20 cetostearyl ether United States Pharmacopeia (USP) Reference Standard
    • 1547255 Polyoxyl 15 hydroxystearate United States Pharmacopeia (USP) Reference Standard
    • 1372424 Polyoxyl 4 lauryl ether United States Pharmacopeia (USP) Reference Standard
    • 1372468 Polyoxyl 23 lauryl ether United States Pharmacopeia (USP) Reference Standard
    • 1372504 Polyoxyl oleate United States Pharmacopeia (USP) Reference Standard
    • 1547302 Polyoxyl 10 oleyl ether United States Pharmacopeia (USP) Reference Standard
    • 1547379 Polyoxyl 6 stearate United States Pharmacopeia (USP) Reference Standard
    • 1547380 Polyoxyl 8 stearate United States Pharmacopeia (USP) Reference Standard
    • 1547391 Polyoxyl 32 stearate United States Pharmacopeia (USP) Reference Standard
    • 1547903 Polyoxyl 40 stearate United States Pharmacopeia (USP) Reference Standard
    • 1547459 Polyoxyl 75 stearate United States Pharmacopeia (USP) Reference Standard
    • 1547346 Polyoxyl 2 stearyl ether United States Pharmacopeia (USP) Reference Standard
    • 1372606 Polyoxyl 10 stearyl ether United States Pharmacopeia (USP) Reference Standard
    • 1547368 Polyoxyl 20 stearyl ether United States Pharmacopeia (USP) Reference Standard
    • 1547925 Polysorbate 20 United States Pharmacopeia (USP) Reference Standard
    • 1547936 Polysorbate 40 United States Pharmacopeia (USP) Reference Standard
    • 1547947 Polysorbate 60 United States Pharmacopeia (USP) Reference Standard
    • 1548032 Polyvinyl acetate United States Pharmacopeia (USP) Reference Standard
    • 1548043 Polyvinyl acetate dispersion United States Pharmacopeia (USP) Reference Standard
    • 1548065 Polyvinyl alcohol United States Pharmacopeia (USP) Reference Standard
    • 1548076 Polyvinyl chloride United States Pharmacopeia (USP) Reference Standard
    • 1544916 Polyvinyl Chloride Plasticide United States Pharmacopeia (USP) Reference Standard
    • 1549807 Potassium acetate United States Pharmacopeia (USP) Reference Standard
    • 1548101 Potassium benzoate United States Pharmacopeia (USP) Reference Standard
    • 1548134 Potassium bicarbonate United States Pharmacopeia (USP) Reference Standard
    • 1549840 Potassium bitartrate United States Pharmacopeia (USP) Reference Standard
    • 1548167 Potassium carbonate United States Pharmacopeia (USP) Reference Standard
    • 1548190 Potassium chloride United States Pharmacopeia (USP) Reference Standard
    • 1548225 Potassium citrate United States Pharmacopeia (USP) Reference Standard
    • 1550001 Potassium gluconate United States Pharmacopeia (USP) Reference Standard
    • 1551004 Potassium guaiacolsulfonate United States Pharmacopeia (USP) Reference Standard
    • 1548280 Potassium iodide United States Pharmacopeia (USP) Reference Standard
    • 1548349 Potassium nitrate United States Pharmacopeia (USP) Reference Standard
    • 1548350 Potassium Nitrate Melting Point Standard United States Pharmacopeia (USP) Reference Standard
    • 1548407 Potassium sorbate United States Pharmacopeia (USP) Reference Standard
    • 1551150 Potassium sucrose octasulfate United States Pharmacopeia (USP) Reference Standard
    • 1551300 Potassium Trichloroammineplatinate United States Pharmacopeia (USP) Reference Standard
    • 1551503 Povidone United States Pharmacopeia (USP) Reference Standard
    • 1291683 Powdered American Ginseng Extract United States Pharmacopeia (USP) Reference Standard
    • 1034873 Powdered andrographis extract United States Pharmacopeia (USP) Reference Standard
    • 1043309 Powdered ashwagandha extract United States Pharmacopeia (USP) Reference Standard
    • 1291708 Powdered Asian Ginseng Extract United States Pharmacopeia (USP) Reference Standard
    • 1048244 Powdered Bacopa Extract United States Pharmacopeia (USP) Reference Standard
    • 1071268 Powdered Bilberry Extract United States Pharmacopeia (USP) Reference Standard
    • 1076206 Powdered Black Cohosh Extract United States Pharmacopeia (USP) Reference Standard
    • 1509019 Powdered Black Pepper Extract United States Pharmacopeia (USP) Reference Standard
    • 1096848 Powdered Cat′s Claw Extract United States Pharmacopeia (USP) Reference Standard
    • 1297770 Powdered Centella Asiatica Extract United States Pharmacopeia (USP) Reference Standard
    • 1105009 Powdered Chaste Tree Extract United States Pharmacopeia (USP) Reference Standard
    • 1105417 Powdered Chinese Salvia Extract United States Pharmacopeia (USP) Reference Standard
    • 1298401 Powdered Decaffeinated Green Tea Extract United States Pharmacopeia (USP) Reference Standard
    • 1231706 Powdered Echinacea Angustifolia Extract United States Pharmacopeia (USP) Reference Standard
    • 1231717 Powdered Echinacea Pallida Extract United States Pharmacopeia (USP) Reference Standard
    • 1231728 Powdered Echinacea Purpurea Extract United States Pharmacopeia (USP) Reference Standard
    • 1234704 Powdered Eleuthero Extract United States Pharmacopeia (USP) Reference Standard
    • 1283255 Powdered Forskohlii Extract United States Pharmacopeia (USP) Reference Standard
    • 1288340 Powdered Garcinia Hydroxycitrate Extract United States Pharmacopeia (USP) Reference Standard
    • 1291504 Powdered ginger United States Pharmacopeia (USP) Reference Standard
    • 1309911 Powdered Holy Basil Extract United States Pharmacopeia (USP) Reference Standard
    • 1355709 Powdered kava extract United States Pharmacopeia (USP) Reference Standard
    • 1374383 Powdered Malabar-Nut-Tree, Leaf Extract United States Pharmacopeia (USP) Reference Standard
    • 1443850 Powdered milk thistle extract United States Pharmacopeia (USP) Reference Standard
    • 1536510 Powdered Phyllanthus Amarus Extract United States Pharmacopeia (USP) Reference Standard
    • 1599500 Powdered Red Clover Extract United States Pharmacopeia (USP) Reference Standard
    • 1605668 Powdered Rosemary Extract United States Pharmacopeia (USP) Reference Standard
    • 1605680 Powdered Rosemary Hydrophilic Extract United States Pharmacopeia (USP) Reference Standard
    • 1607506 Powdered St. John′s Wort Extract United States Pharmacopeia (USP) Reference Standard
    • 1707931 Powdered Valerian Extract United States Pharmacopeia (USP) Reference Standard
    • 1553000 Pralidoxime chloride United States Pharmacopeia (USP) Reference Standard
    • 1553859 Pramipexole dihydrochloride monohydrate United States Pharmacopeia (USP) Reference Standard
    • 1553768 Pramipexole Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1553815 Pramipexole Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1553837 Pramipexole Related Compound F United States Pharmacopeia (USP) Reference Standard
    • 1553848 Pramipexole Related Compound G United States Pharmacopeia (USP) Reference Standard
    • 1554002 Pramoxine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1554104 Prasugrel Hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1554217 Pravastatin Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1554228 Pravastatin Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1554206 Pravastatin sodium United States Pharmacopeia (USP) Reference Standard
    • 1554192 Pravastatin 1,1,3,3-tetramethylbutylamine United States Pharmacopeia (USP) Reference Standard
    • 1554501 Prazepam United States Pharmacopeia (USP) Reference Standard
    • 1554603 Praziquantel United States Pharmacopeia (USP) Reference Standard
    • 1554658 Praziquantel Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1554669 Praziquantel Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1554670 Praziquantel Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1554705 Prazosin hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1554749 Prazosin Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1554909 Prednicarbate United States Pharmacopeia (USP) Reference Standard
    • 1554910 Prednicarbate Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1554920 Prednicarbate Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1554931 Prednicarbate Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1555005 Prednisolone United States Pharmacopeia (USP) Reference Standard
    • 1556008 Prednisolone acetate United States Pharmacopeia (USP) Reference Standard
    • 1556507 Prednisolone hemisuccinate United States Pharmacopeia (USP) Reference Standard
    • 1557000 Prednisolone sodium phosphate United States Pharmacopeia (USP) Reference Standard
    • 1558003 Prednisolone tebutate United States Pharmacopeia (USP) Reference Standard
    • 1559006 Prednisone United States Pharmacopeia (USP) Reference Standard
    • 1559505 Prednisone tablets United States Pharmacopeia (USP) Reference Standard
    • 1560990 Prilocaine United States Pharmacopeia (USP) Reference Standard
    • 1561008 Prilocaine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1561019 Prilocaine Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1561020 Prilocaine Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1561507 Primaquine phosphate United States Pharmacopeia (USP) Reference Standard
    • 1561518 Primaquine Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1562000 Primidone United States Pharmacopeia (USP) Reference Standard
    • 1562011 Primidone Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1562033 Primidone Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1563003 Probenecid United States Pharmacopeia (USP) Reference Standard
    • 1563309 Probucol United States Pharmacopeia (USP) Reference Standard
    • 1563320 Probucol Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1563331 Probucol Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1563342 Probucol Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1563502 Procainamide hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1564006 Procaine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1565009 Procarbazine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1566001 Prochlorperazine maleate United States Pharmacopeia (USP) Reference Standard
    • 1566045 Prochlorperazine Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1567004 Procyclidine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1568007 Progesterone United States Pharmacopeia (USP) Reference Standard
    • 1568040 Proguanil hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1568028 Proguanil Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1568051 Proguanil Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1568062 Proguanil Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1568073 Proguanil Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1568084 Proguanil Related Compound F United States Pharmacopeia (USP) Reference Standard
    • 1568095 Proguanil Related Compound G United States Pharmacopeia (USP) Reference Standard
    • 1568506 L-Proline United States Pharmacopeia (USP) Reference Standard
    • 1569000 Promazine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1570009 Promethazine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1570304 Propafenone hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1570315 Propafenone Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1570326 Propafenone Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1570483 1,3-Propanediol United States Pharmacopeia (USP) Reference Standard
    • 1570406 1-Propanol United States Pharmacopeia (USP) Reference Standard
    • 1570428 2-Propanol United States Pharmacopeia (USP) Reference Standard
    • 1570450 Propanolamine United States Pharmacopeia (USP) Reference Standard
    • 1570439 2-Propanol System Suitability United States Pharmacopeia (USP) Reference Standard
    • 1570508 Propantheline bromide United States Pharmacopeia (USP) Reference Standard
    • 1571001 Proparacaine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1572208 Propionic acid United States Pharmacopeia (USP) Reference Standard
    • 1572503 Propofol United States Pharmacopeia (USP) Reference Standard
    • 1572536 Propofol Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1572547 Propofol Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1572558 Propofol Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1572525 Propofol Resolution Mixture United States Pharmacopeia (USP) Reference Standard
    • 1575206 Propoxyphene Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1008002 Propoxyphene Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1576005 Propranolol hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1576402 Propyl acetate United States Pharmacopeia (USP) Reference Standard
    • 1576504 Propylene carbonate United States Pharmacopeia (USP) Reference Standard
    • 1576708 Propylene glycol United States Pharmacopeia (USP) Reference Standard
    • 1576683 Propylene Glycol Dicaprylate/Dicaprate United States Pharmacopeia (USP) Reference Standard
    • 1576763 Propylene glycol dilaurate United States Pharmacopeia (USP) Reference Standard
    • 1576661 Propylene glycol monocaprylate type I United States Pharmacopeia (USP) Reference Standard
    • 1576672 Propylene glycol monocaprylate type II United States Pharmacopeia (USP) Reference Standard
    • 1576785 Propylene glycol monolaurate type I United States Pharmacopeia (USP) Reference Standard
    • 1576796 Propylene glycol monolaurate type II United States Pharmacopeia (USP) Reference Standard
    • 1576945 Propylene oxide United States Pharmacopeia (USP) Reference Standard
    • 1576800 Propyl gallate United States Pharmacopeia (USP) Reference Standard
    • 1577008 Propylparaben United States Pharmacopeia (USP) Reference Standard
    • 1578000 Propylthiouracil United States Pharmacopeia (USP) Reference Standard
    • 1578500 Prostaglandin A1 United States Pharmacopeia (USP) Reference Standard
    • 1578554 Prostaglandin B1 United States Pharmacopeia (USP) Reference Standard
    • 1578612 Protamine sulfate United States Pharmacopeia (USP) Reference Standard
    • 1580002 Protriptyline hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1581005 Pseudoephedrine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1581504 Pseudoephedrine sulfate United States Pharmacopeia (USP) Reference Standard
    • 1298219 Purified Grape Seeds Oligomeric Proanthocyanidins United States Pharmacopeia (USP) Reference Standard
    • 1302203 Purified Guggul Extract United States Pharmacopeia (USP) Reference Standard
    • 1583805 Pygeum extract United States Pharmacopeia (USP) Reference Standard
    • 1584003 Pyrantel pamoate United States Pharmacopeia (USP) Reference Standard
    • 1584014 Pyrantel Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1584105 Pyrantel tartrate United States Pharmacopeia (USP) Reference Standard
    • 1585006 Pyrazinamide United States Pharmacopeia (USP) Reference Standard
    • 1585505 Pyrethrum extract United States Pharmacopeia (USP) Reference Standard
    • 1074030 4,4′-(2-Pyridinylmethylene)bisphenol United States Pharmacopeia (USP) Reference Standard
    • 1586009 Pyridostigmine bromide United States Pharmacopeia (USP) Reference Standard
    • 1586020 Pyridostigmine Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1586031 Pyridostigmine Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1587001 Pyridoxine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1588004 Pyrilamine maleate United States Pharmacopeia (USP) Reference Standard
    • 1589007 Pyrimethamine United States Pharmacopeia (USP) Reference Standard
    • 1013545 2-{5-[(Pyrrolidin-1-ylsulfonyl)methyl]-1H-indol-3-yl}ethanamine hemifumarate salt United States Pharmacopeia (USP) Reference Standard
    • 1592001 Pyrvinium pamoate United States Pharmacopeia (USP) Reference Standard
    • 1592205 Quazepam United States Pharmacopeia (USP) Reference Standard
    • 1592227 Quazepam Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1592409 Quercetin United States Pharmacopeia (USP) Reference Standard
    • 1592704 Quetiapine fumarate United States Pharmacopeia (USP) Reference Standard, monograph mol wt. 883.09 ((C21H25N3O2S)2 · C4H4O4)
    • 1592737 Quetiapine Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1592781 Quetiapine Related Compound G United States Pharmacopeia (USP) Reference Standard
    • 1592715 Quetiapine System Suitability United States Pharmacopeia (USP) Reference Standard
    • 1593401 Quinapril hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1593412 Quinapril Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1593423 Quinapril Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1594506 Quinic acid United States Pharmacopeia (USP) Reference Standard
    • 1595000 Quinidine gluconate United States Pharmacopeia (USP) Reference Standard
    • 1595509 Quinidine sulfate United States Pharmacopeia (USP) Reference Standard
    • 1596807 Quinine hydrochloride dihydrate United States Pharmacopeia (USP) Reference Standard
    • 1597005 Quinine sulfate United States Pharmacopeia (USP) Reference Standard
    • 1597504 Quininone United States Pharmacopeia (USP) Reference Standard
    • 1598019 Rabeprazole sodium United States Pharmacopeia (USP) Reference Standard
    • 1598020 Rabeprazole Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1598031 Rabeprazole Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1598042 Rabeprazole Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1598053 Rabeprazole Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1598064 Rabeprazole Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1598075 Rabeprazole Related Compound F United States Pharmacopeia (USP) Reference Standard
    • 1643292 Racemethionine United States Pharmacopeia (USP) Reference Standard
    • 1643281 Racemic tamsulosin hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1667235 Racemic Tiagabine Hydrochloride Mixture United States Pharmacopeia (USP) Reference Standard
    • 1598097 Racepinephrine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1598100 Ractopamine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1012595 rAlbumin human United States Pharmacopeia (USP) Reference Standard
    • 1598201 Raloxifene hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1598234 Raloxifene Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1598267 Raltegravir Related Compound E United States Pharmacopeia (USP) Reference Standard
    • 1598303 Ramipril United States Pharmacopeia (USP) Reference Standard
    • 1598314 Ramipril Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1598323 Ramipril Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1598338 Ramipril Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1598347 Ramipril Related Compound D United States Pharmacopeia (USP) Reference Standard
    • 1598405 Ranitidine hydrochloride United States Pharmacopeia (USP) Reference Standard
    • 1598507 Ranitidine Related Compound A United States Pharmacopeia (USP) Reference Standard
    • 1598609 Ranitidine Related Compound B United States Pharmacopeia (USP) Reference Standard
    • 1598700 Ranitidine Related Compound C United States Pharmacopeia (USP) Reference Standard
    • 1598450 Ranitidine Resolution Mixture United States Pharmacopeia (USP) Reference Standard
    • 1598744 Ranolazine United States Pharmacopeia (USP) Reference Standard