Sigma-Aldrich
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(2,5-Dimethoxyphenyl)acetyl chloride 99% 52711-92-9264806pricing
1,1′-Diethyl-2,2′-carbocyanine iodide 97% 605-91-4166510pricing
1,1′-Diethyl-2,2′-cyanine iodide 97% 977-96-8323764pricing
1,1′-Diethyl-2,4′-cyanine iodide Dye content 97 % 634-21-9284378pricing
1,1′-Diethyl-4,4′-cyanine iodide 4727-49-5291331pricing
1,1′-Dioctadecyl-4,4′-bipyridinium dibromide 97% 90179-58-1391506pricing
1,1′-Dioctadecyl-4,4′-bipyridinium diperchlorate 95% 126192-46-9391514pricing
1,2-Dichloro-4,5-dinitrobenzene 98% 6306-39-4300365pricing
1,2-Diphenylindole 94% 18434-12-3363928pricing
1,3-Diiminobenz[f]isoindoline 95% 65558-69-2386596pricing
1,3-Dihydroxynaphthalene ≥99%, crystalline 132-86-5N6250pricing
1,3-Diiminoisoindoline 97% 3468-11-9279528pricing
1,3-Diphenyl-2-thiobarbituric acid 97% 35221-12-6465763pricing
1,3-Diphenylacetone p-tosylhydrazone 98% 19816-88-7230308pricing
1,3-Diphenyltriazene 95% 136-35-6109665pricing
1,4-Dibutoxy-2,3-naphthalenedicarbonitrile 99% 116453-89-5409499pricing
1,4-Dihydroxy-2,3-naphthalenedicarbonitrile 97% 1018-79-7407100pricing
1,4-Dimethylpyridinium iodide 99% 2301-80-6376434pricing
1,4-Dimethylpyridinium p-toluenesulfonate 98% 78105-28-9514888pricing
 1,6-Diphenyl-1,3,5-Hexatriene ≥98% (HPLC) D8814pricing
1,8-Diamino-4,5-dihydroxyanthraquinone technical grade, 90% 128-94-9TechnicalD15006pricing
10-(2′,4′-Dinitrophenylazo)-9-phenanthrol 54261-71-1D9636pricing
2′,4′-Dihydroxy-3′-methylacetophenone technical grade, 90% 10139-84-1Technical296244pricing
2′,7′-Dichlorofluorescein ACS reagent 76-54-0ACS reagent, Analytical, Indicator410217pricing
2′,7′-Dichlorofluorescein ~90% (TLC), crystalline 76-54-0D6665pricing
2,2′-Dihydroxy-1,1′-azonaphthalene-3,3′,6,6′-tetrasulfonic acid 76877-41-3D5021pricing
2,4-Dichlorobenzenediazonium 1,5-naphthalenedisulfonate hydrate 123333-91-5320609pricing
2,4-Dimethoxytoluene 99% 38064-90-3292559pricing
2,5-Dibromo-6-isopropyl-3-methyl-1,4-benzoquinone 29096-93-3271993pricing
2,5-Dibutoxy-4-(4-morpholinyl)benzenediazonium tetrafluoroborate Dye content 95 % 50543-78-7363235pricing
2,6-Dichloroindophenol sodium salt hydrate Reagent used for vitamin C determination. 620-45-1D1878pricing
2,6-Dichloroquinone-4-chloroimide 101-38-2D6511pricing
2,6-Diphenyl-4H-thiopyran-4-one 96% 1029-96-5454656pricing
2-Diphenylacetyl-1,3-indandione-1-hydrazone 98% 5102-79-4D204838pricing
2-[4-(Dimethylamino)styryl]-1-ethylpyridinium iodide ≥99% (HPLC), solid 3785-01-1D0815pricing
 2-[4-(Dimethylamino)styryl]-N-methylbenzoxazolium perchlorate 64872-13-5D1429pricing
3′,6′-Dichlorofluoran 95% 630-88-6485071pricing
3,3′-Diheptyloxacarbocyanine iodide 53213-83-5D0929pricing
3,3′-Dimethyloxacarbocyanine iodide 98% 14134-79-3320692pricing
3,3′-Dioctadecyloxacarbocyanine perchlorate 34215-57-1D4292pricing
3,3′-Dipentyloxacarbocyanine iodide ≥95% 53213-81-3D1554pricing
3,3′-Diethyl-9-methylthiacarbocyanine iodide 98% 3065-79-0102482pricing
3,3′-Diethylthiacyanine iodide Dye content ~97 % 2197-01-5390410pricing
3,3′-Dimethoxybenzidine dihydrochloride technical grade 20325-40-0Technical191248pricing
3,3-Dimethyl-2-methylene-1-phenylindoline 5227-71-4552291pricing
3,5-Dinitroaniline 97% 618-87-1D193402pricing
3,5-Dinitrosalicylic acid 609-99-4D0550pricing
3,6-Diacetoxyphthalonitrile 83619-73-2D0679pricing
3,6-Dibutoxy-1,2-benzenedicarbonitrile 97% 75942-37-9383775pricing
3,6-Dichloro-1,2-benzenedithiol 95% 87314-49-6442828pricing
3,6-Dioctyloxy-1,2-benzenedicarbonitrile 97% 75942-39-1429481pricing
3,7-Dibromophenothiazin-5-ium bromide 46710-21-8485098pricing
3,8-Dinitro-6-phenylphenanthridine 98% 82921-86-6335460pricing
4′,5′-Dibromofluorescein Dye content 95 % 596-03-2216720pricing
4,4′-Diazido-2,2′-stilbenedisulfonic acid disodium salt hydrate 97% 363227pricing
4,4′-Dinitro-2-biphenylamine 98% 51787-75-8335428pricing
4,4′-Diphenyl-2,2′-dipyridyl technical grade 6153-92-0Technical366323pricing
4,5-Dibromobenzene-1,2-diol 90%, technical grade 2563-26-0Technical550248pricing
4,7-Dihydroxy-1,10-phenanthroline Dye content 30 % 3922-40-5429031pricing
4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt >95% (HPLC), solid 90134-00-2D8064pricing
4-(2-[6-(Dioctylamino)-2-naphthalenyl]ethenyl)-1-(3-sulfopropyl)pyridinium inner salt ≥95% (HPLC), solid 157134-53-7D1065pricing
4-(Dibutylamino)benzaldehyde 98% 90134-10-4338516pricing
4-(Dimethylamino)azobenzene-4′-sulfonyl chloride 96% 56512-49-3226262pricing
4-(Dimethylamino)benzaldehyde suitable for histochemical demonstration of nitro blue tetrazolium reduction in neutrophils 100-10-7D2004pricing
4-(p-Dihexadecylaminostyryl)-N-methylquinolinium iodide ≥95% (TLC) 135367-81-6D4042pricing
4-(Dimethylamino)cinnamaldehyde 6203-18-5D4506pricing
4-Dimethylaminophenylazophenyl-4′-maleimide 87963-80-2D8939pricing
4-Dimethylamino-2-methylazobenzene 54-88-6130435pricing
6-(2,2-Dicyanovinyl)-N-(2-hydroxyethyl)-1,2,3,4-tetrahydroquinoline 142978-25-4D5928pricing
7-Diethylamino-3-(4-maleimidophenyl)-4-methylcoumarin ≥95% (HPLC), solid 76877-33-3C1484pricing
9-Diethylamino-2-hydroxy-5H-benz[a]phenoxazin-5-one 188712-74-5479918pricing
DABCYL SE solid D9689pricing
DAPI, dilactate ≥98% (HPLC) D9564pricing
Dansylhydrazine ≥90% 33008-06-9D7634pricing
Darrow Red certified by the Biological Stain Commission, Dye content 75 % 15391-59-0 (free base)Certified by the Biological Stain Commission211885pricing
Demecolcine ≥98% (HPLC) 477-30-5D7385pricing
 Diamidino yellow dihydrochloride 87397-07-7D0281pricing
Diazine Black Dye content 65 % 4443-99-6475882pricing
Diethyl 3,4-pyridinedicarboxylate 97% 1678-52-0310212pricing
Dihydroethidium ≥95% 104821-25-2D7008pricing
Dihydrorhodamine 123 ≥95% 109244-58-8D1054pricing
Diiodofluorescein 31395-16-1206806pricing
Dimidium bromide 95% 518-67-2234281pricing
Diphenylamine ≥98% 122-39-4D2385pricing
Direct Blue 71 Dye content 50 % 4399-55-7212407pricing
Direct Blue 15 suitable for Histopaque® system, suitable for viability studies of collagenase-treated rat liver cells 2429-74-5D2535pricing
Direct Red 23 Dye content 30 % 3441-14-3212490pricing
Direct Red 80 Dye content 25 % 2610-10-8365548pricing
Direct Red 81 Dye content 50 % 2610-11-9195251pricing
Direct Violet 51 Dye content 50 % 5489-77-0212385pricing
Direct yellow 27 Dye content 40 % 10190-68-8201871pricing
Direct yellow 50 Dye content 40 % 3214-47-9201898pricing
Disperse Black 9 Dye content 97 % 20721-50-0456691pricing
Disperse Blue 1 Dye content 30 % 2475-45-8215643pricing
Disperse Blue 3 Dye content 20 % 2475-46-9215651pricing
Disperse Blue 14 Dye content 97 % 2475-44-7367648pricing
Disperse Orange 1 Dye content ~15 % 2581-69-3212288pricing
Disperse Orange 13 Dye content 15 % 6253-10-7212296pricing
Disperse Orange 13 Dye content 90 % 6253-10-7364800pricing
Disperse Orange 25 Dye content 20 % 31482-56-1215732pricing
Disperse Orange 11 Dye content 95 % 82-28-0217093pricing
Disperse Red 1 Dye content 50 % 2872-52-8215740pricing
Disperse Yellow 3 Dye content 30 % 2832-40-8215686pricing
Disperse Yellow 9 Dye content 85 % 6373-73-5212253pricing
Dithizone ACS reagent, ≥85.0% 60-10-6ACS reagent194832pricing
Dithizone Practical Grade 60-10-6D5130pricing
 Drimarene Brilliant Blue K-BL 51811-44-0D8140pricing
 Durcupan ACM D0166pricing
 Durcupan component B Hardener D0416pricing
 Durcupan water-soluble Fluka set for minimum 10 embeddings 44600pricing
 Durcupan A/M epoxy resin D0291pricing
N,N′-Ditridecylperylene-3,4,9,10-tetracarboxylic diimide 95% 95689-92-2383783pricing
N,N′-Dimethyl-9,9′-biacridinium dinitrate 2315-97-1M8010pricing
N,N-Dibutylaniline 97% 613-29-6304468pricing
N,N-Dimethylindoaniline Dye content 97 % 2150-58-5235601pricing
N,N-Diethyl-4-nitrosoaniline 97% 120-22-9134732pricing
N,N-Diethyl-4-nitrosoaniline hydrochloride 53743-85-4569739pricing
N,N-Diethyl-p-phenylenediamine hemioxalate salt 62637-92-7D5143pricing
N,N-Dimethyl-1-naphthylamine ≥98.0% (GC) 86-56-6D4011pricing
N,N-Dimethyl-4-nitrosoaniline 97% 138-89-6D172405pricing
N,N-Dimethyl-4,4′-azodianiline 97% 539-17-3379298pricing
N,N-Dimethyl-p-phenylenediamine dihydrochloride suitable for peroxidase test, ≥99.0% (titration) 536-46-9D4139pricing
N,N-Dimethyl-p-phenylenediamine hemioxalate salt 62778-12-5D4267pricing
 N-(Dimethylaminonaphthyl)-N-(p-carboxyphenyl)hydrazide N-hydroxysuccinimide ester D2065pricing
N-(Diphenylmethylene)glycine tert-butyl ester 98% 81477-94-3364487pricing
[9-(Diethylamino)-5H-benzo[a]phenoxazin-5-ylidene]malononitrile 97% 155262-39-8522244pricing
 o-Dianisidine dihydrochloride D2679pricing
o-Dianisidine dihydrochloride Purified for use with peroxidase and peroxidase-coupled reactions. 20325-40-0D3252pricing
o-Dianisidine dihydrochloride Suitable for use in glucose determination 20325-40-0F5803pricing
p-(p-Dimethylaminophenylazo)benzoic acid sodium salt 845-46-5D5895pricing
trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate ≥98% (titration) 125572-95-4D1383pricing
trans-1,2-Diaminocyclohexane-N,N,N′,N′-tetraacetic acid monohydrate ≥99% (titration) 125572-95-4D0922pricing
trans-2-[4-(Dimethylamino)styryl]benzothiazole 98% 144528-14-3392359pricing
trans-4-(Diethylamino)cinnamaldehyde 98% 22411-59-2338494pricing
trans-4-(Diethylamino)cinnamonitrile 97% 119516-33-5338478pricing