Piperazines

The piperazine scaffold has been classified as a privileged structure and is frequently found in biologically active compounds across a number of different therapeutic areas. Some of these therapeutic areas include antifungals, antidepressants, antivirals, and serotonin receptor (5-HT) antagonists/agonists. Simple N-substituted piperazines are found in numerous drug molecules. Sigma-Aldrich has a large selection of piperazine compounds that can be used as building blocks for organic synthesis and medicinal chemistry. The presence of a halogen allows these reagents to be used as substrates in various coupling reactions, including Suzuki-Miyaura cross-coupling reactions.

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Piperazines

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CDS013269 4-formylpiperazine-1-sulfonyl chloride AldrichCPR C5H9ClN2O3S
716324 2-(Trifluoromethyl)piperazine 95% C5H9F3N2
CDS005932 piperazine-1-carboxylic acid amide hydrochloride AldrichCPR C5H12ClN3O
CDS006104 3-(Trifluoromethyl)-1,2,4-triazolo[4,3-a]piperazine hydrochloride AldrichCPR C6H8ClF3N4
CDS003848 Trifluoroacetylpiperazine AldrichCPR C6H9F3N2O
CDS013378 1-(2,2,2-trifluoroethyl)piperazine AldrichCPR C6H11F3N2
CDS012281 1,3-dimethylpiperazin-2-one hydrochloride AldrichCPR C6H13ClN2O
CBR00872 4-Ethylpiperazine-1-sulfonyl chloride hydrochloride AldrichCPR C6H14Cl2N2O2S
CBR00969 2-Ethylpiperazine dihydrochloride AldrichCPR C6H16Cl2N2
CDS013271 ethyl 4-(chlorosulfonyl)piperazine-1-carboxylate AldrichCPR C7H13ClN2O4S
CDS011390 1-prop-2-ynylpiperazine dihydrochloride AldrichCPR C7H14Cl2N2
CBR00710 1-Ethyl-3-methylpiperazin-2-one hydrobromide AldrichCPR C7H15BrN2O
CDS011887 3-ethyl-1-methyl-2-piperazinone hydrochloride AldrichCPR C7H15ClN2O
CBR01724 Methyl 1-piperazinylacetate dihydrochloride AldrichCPR C7H16Cl2N2O2
CDS019712 1-(2-Bromoethyl)-4-methylpiperazine dihydrobromide AldrichCPR C7H17Br3N2
CBR01566 1-(4H-1,2,4-Triazol-3-ylmethyl)piperazine dihydrochloride hydrate AldrichCPR C7H17Cl2N5O
CBR00658 1,3,3-Trimethylpiperazine dihydrochloride AldrichCPR C7H18Cl2N2
CDS009476 2-(5-bromothiophen-2-yl)piperazine AldrichCPR C8H11BrN2S
CDS003264 5-bromo-2-(piperazin-1-yl)pyrimidine AldrichCPR C8H11BrN4
CDS017020 1-[(5-chlorothien-2-yl)sulfonyl]piperazine AldrichCPR C8H11ClN2O2S2
CDS015558 1-(4-bromo-1,3-thiazol-2-yl)-4-methylpiperazine AldrichCPR C8H12BrN3S
CDS010617 cyclopropylcarboxylic acid-1-piperazinoamide hydrochloride AldrichCPR C8H15ClN2O
CBR00847 3-Isopropyl-1-methylpiperazin-2-one hydrochloride AldrichCPR C8H17ClN2O
CDS004562 3-(4-Methylpiperazin-1-yl)propan-1-ol AldrichCPR C8H18N2O
CDS014533 1-(3-chloropropyl)-4-methylpiperazine dihydrochloride AldrichCPR C8H19Cl3N2
CBR00670 1-Ethyl-2,2-dimethylpiperazine dihydrochloride AldrichCPR C8H20Cl2N2
CBR00630 4-Piperazin-1-ylbutan-1-ol dihydrochloride AldrichCPR C8H20Cl2N2O
CBR01078 1-[2-(1H-1,2,4-Triazol-1-yl)ethyl]piperazine trihydrochloride hydrate AldrichCPR C8H20Cl3N5O
CDS005351 8-Chloro-3,4-dihydro-1H-benzo[e][1,4]diazepine-2,5-dione AldrichCPR C9H7ClN2O2
ADE000718 1-(5-Bromo-3-nitropyridin-2-yl)piperazine AldrichCPR C9H11BrN4O2
CDS013855 1-(3,5-dichloro-4-pyridyl)piperazine AldrichCPR C9H11Cl2N3
CDS006079 1-[4-(trifluoromethyl)pyrimid-2-yl]piperazine AldrichCPR C9H11F3N4
CDS004298 2-bromo-6-(piperazin-1-yl)pyridine AldrichCPR C9H12BrN3
CDS004711 5-bromo-2-(piperazin-1-yl)pyridine AldrichCPR C9H12BrN3
CDS006253 1-(5-chloropyridin-2-yl)piperazine AldrichCPR C9H12ClN3
CDS008018 4-chloro-2-(1-methyl-4-piperazinyl)-5-thiazolecarboxaldehyde AldrichCPR C9H12ClN3OS
CDS005508 2,4-dichloro-6-(4-methyl-piperazin-1-yl)-pyrimidine AldrichCPR C9H12Cl2N4
ADE000247 1-(5-Iodo-pyridin-2-yl)-piperazine AldrichCPR C9H12IN3
CDS006344 5-bromo-2-(piperazin-1-yl)-4-methoxypyrimidine AldrichCPR C9H13BrN4O
CDS000382 1-(2-Pyridinyl)piperazine hydrochloride AldrichCPR C9H14ClN3
CDS016388 1-[(2-chloro-1,3-thiazol-5-yl)methyl]-4-methylpiperazine AldrichCPR C9H14ClN3S
CDS002329 4-Chloro-6-(4-methyl-piperazin-1-yl)-pyrimidin-5-ylamine AldrichCPR C9H14ClN5
CDS001331 1-[(2-Methyl-1,3-thiazol-4-yl)methyl]piperazine hydrochloride AldrichCPR C9H16ClN3S
CDS006315 2-(piperazin-1-yl)-N-thiazol-2-yl-acetamidedihydrochloride AldrichCPR C9H16Cl2N4OS
CDS013423 tert-Butyl 4-(chlorosulfonyl)piperazine-1-carboxylate AldrichCPR C9H17ClN2O4S
CBR00711 1-Isobutyl-3-methylpiperazin-2-one hydrobromide AldrichCPR C9H19BrN2O
CBR01720 1-(Tetrahydro-2H-pyran-4-yl)piperazine dihydrochloride AldrichCPR C9H20Cl2N2O
CBR01565 1-Methyl-4-(3-pyrrolidinyl)piperazine trihydrochloride AldrichCPR C9H22Cl3N3
CBR01564 trans-4-(4-Methyl-1-piperazinyl)tetrahydro-3-furanamine trihydrochloride AldrichCPR C9H22Cl3N3O
CDS018750 1-amino-4-(4-chlorophenyl)-2,5-piperazinedione AldrichCPR C10H10ClN3O2
CDS014290 1-[3-chloro-5-(trifluoromethyl)pyrid-2-yl]piperazine AldrichCPR C10H11ClF3N3
CDS011223 1-(4-bromo-2-chloro-benzenesulfonyl)-piperazine AldrichCPR C10H12BrClN2O2S
CDS013737 1-(4-chloro-2-fluorophenyl)piperazine AldrichCPR C10H12ClFN2
CDS012253 1-(3-chloro-4-fluoro-benzenesulfonyl)-piperazine AldrichCPR C10H12ClFN2O2S
CDS006152 5-chloro-6-piperazin-1-yl-nicotinic acid AldrichCPR C10H12ClN3O2
51091 1-(3,4-Dichlorophenyl)piperazine ≥98.0% (GC) C10H12Cl2N2
CDS014767 1-(3,5-dichlorophenyl)piperazine AldrichCPR C10H12Cl2N2
CDS015434 1-[(2,6-dichlorophenyl)sulfonyl]piperazine AldrichCPR C10H12Cl2N2O2S
CDS020409 1-(2,3-Difluorophenyl)piperazine AldrichCPR C10H12F2N2
CDS018547 1-[2-(trifluoromethyl)pyridin-4-yl]piperazine AldrichCPR C10H12F3N3
CDS014957 1-[3-(trifluoromethyl)pyrid-2-yl]piperazine AldrichCPR C10H12F3N3
CDS013678 1-[5-(trifluoromethyl)pyrid-2-yl]piperazine AldrichCPR C10H12F3N3
CDS018236 1-[6-(trifluoromethyl)pyridin-2-yl]piperazine AldrichCPR C10H12F3N3
CDS014669 1-(3-bromophenyl)piperazine AldrichCPR C10H13BrN2
724580 1-(4-bromophenyl)piperazine 95% C10H13BrN2
CDS012098 1-[(2,6-difluorophenyl)sulfonyl]piperazine hydrochloride AldrichCPR C10H13ClF2N2O2S
C67605 1-(2-Chlorophenyl)piperazine monohydrochloride 95% C10H13ClN2 · HCl
125180 1-(3-Chlorophenyl)piperazine hydrochloride 99% C10H13ClN2 · xHCl
C68008 1-(4-Chlorophenyl)piperazine dihydrochloride 95% C10H13ClN2 · 2HCl
CDS015428 1-(2-chloro-benzenesulfonyl)-piperazine AldrichCPR C10H13ClN2O2S
CDS005137 1-(3-chloro-benzenesulfonyl)-piperazine AldrichCPR C10H13ClN2O2S
CDS008543 2-chloro-6-[(4-methyl-1-piperazinyl)carbonyl]pyrazine AldrichCPR C10H13ClN4O
679135 1-(2,3-Dichlorophenyl)piperazine hydrochloride 97% C10H13Cl3N2
CDS010598 1-(3-fluorophenyl)piperazine AldrichCPR C10H13FN2
CDS018430 2-(2-fluoro-phenyl)-piperazine AldrichCPR C10H13FN2
CDS005056 1-(3-fluoro-benzenesulfonyl)-piperazine AldrichCPR C10H13FN2O2S
647268 1-(4-Iodophenyl)piperazine hydrochloride 95% C10H13IN2 · HCl
CDS008637 2-bromo-4-(N-Methylpiperazin-1-yl)pyridine AldrichCPR C10H14BrN3
CDS004799 5-bromo-2-(4-methylpiperazin-1-yl)pyridine AldrichCPR C10H14BrN3
CDS004303 6-(4-methylpiperazin-1-yl)-2-bromopyridine AldrichCPR C10H14BrN3
CDS015961 1-(3-chloro-4-fluorophenyl)piperazine dihydrochloride AldrichCPR C10H14Cl3FN2
CDS014030 1-(2,5-dichlorophenyl)piperazine dihydrochloride AldrichCPR C10H14Cl4N2
CDS016840 4-chloro-2-methyl-6-(4-methylpiperazino)pyrimidine AldrichCPR C10H15ClN4
CDS013254 piperazin-1-yl-pyridin-3-yl-methanone dihydrochloride AldrichCPR C10H15Cl2N3O
CDS002717 1-(3-Pyridinylmethyl)piperazine hydrochloride AldrichCPR C10H16ClN3
CDS010155 1-(6-chloro-pyridin-3-ylmethyl)-piperazine dihydrochloride AldrichCPR C10H16Cl3N3
CBR01441 4-Ethyl-6-(1-piperazinyl)pyrimidine dihydrochloride hydrate AldrichCPR C10H20Cl2N4O
CBR00603 2-[4-(2-Pyrimidinyl)-1-piperazinyl]ethanamine trihydrochloride AldrichCPR C10H20Cl3N5
CDS005492 3-Amino-1-(4-isopropyl-piperazin-1-yl)-1-propanone dihydrochloride AldrichCPR C10H23Cl2N3O
CDS018939 9-Chloro-5-thioxo-1,4,5,6-tetrahydro-3H-furo[3,4-d][1,3]benzodiazepin-3-one AldrichCPR C11H7ClN2O2S
CDS012119 1-(3,4-dichlorobenzoyl)piperazine AldrichCPR C11H12Cl2N2O
CDS011931 1-(3,4-difluorobenzoyl)piperazine AldrichCPR C11H12F2N2O
CDS012780 4-(5-(trifluoromethyl)-2-pyridyl)piperazinecarbaldehyde AldrichCPR C11H12F3N3O
CDS001838 1-[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]-3-methylpiperazine AldrichCPR C11H13ClF3N3
CDS005360 1-(2-chloro-benzoyl)-piperazine AldrichCPR C11H13ClN2O
CDS007187 (2-fluoro-phenyl)-piperazin-1-yl-methanone AldrichCPR C11H13FN2O
CDS013334 (3-fluoro-phenyl)-piperazin-1-yl-methanone AldrichCPR C11H13FN2O
CDS019206 1-[(3-Fluorophenyl)methyl]piperazin-2-one AldrichCPR C11H13FN2O
CDS015257 1-(2-trifluoromethylphenyl)-piperazine AldrichCPR C11H13F3N2
CDS009461 2-(4-trifluoromethylphenyl)piperazine AldrichCPR C11H13F3N2
CDS010814 1-(2-trifluoromethyl-benzenesulfonyl)-piperazine AldrichCPR C11H13F3N2O2S
657719 1-(4-Bromo-2-fluorobenzyl)piperazine 96% C11H14BrFN2
CDS012918 1-(2-chloro-4-fluoro-benzyl)-piperazine AldrichCPR C11H14ClFN2
650156 1-(2-Chloro-6-fluorobenzyl)piperazine 98% C11H14ClFN2
657840 1-(2,4-Dichlorobenzyl)piperazine 97% C11H14Cl2N2
657832 1-(2,6-Dichlorobenzyl)piperazine 97% C11H14Cl2N2
644269 1-(3,4-Dichlorobenzyl)piperazine 97% C11H14Cl2N2
CDS018141 1-(2,3-difluoro-benzyl)-piperazine AldrichCPR C11H14F2N2
650234 1-(4-Bromobenzyl)piperazine 97% C11H15BrN2
CDS002910 1-[2-Bromo-4-(methylsulfonyl)phenyl]piperazine AldrichCPR C11H15BrN2O2S
652814 1-(3-Chlorobenzyl)piperazine 98% C11H15ClN2
650269 1-(3-Chlorobenzyl)piperazine 98% C11H15ClN2
650218 1-(4-Chlorobenzyl)piperazine 98% C11H15ClN2
CDS001660 1-[4-Chloro-2-(methylsulfonyl)phenyl]piperazine AldrichCPR C11H15ClN2O2S
CDS002461 1-(5-Chloro-2-methoxy-benzenesulfonyl)-piperazine AldrichCPR C11H15ClN2O3S
CDS007283 2-(2-Fluorophenyl)-1-methylpiperazine AldrichCPR C11H15FN2
CDS002968 1-[2-Fluoro-4-(methylsulfonyl)phenyl]piperazine AldrichCPR C11H15FN2O2S
CDS002383 1-[4-Fluoro-2-(methylsulfonyl)phenyl]piperazine AldrichCPR C11H15FN2O2S
CDS013768 1-(5-chloro-2-methoxyphenyl)piperazine hydrochloride AldrichCPR C11H16Cl2N2O
CBR00700 1-Phenylpiperazine-2-carboxylic acid dihydrochloride AldrichCPR C11H16Cl2N2O2
CDS004192 3-fluoro-4-(4-methylpiperazin-1-yl)aniline AldrichCPR C11H16FN3
CDS011526 2-(4-[4-(trifluoromethyl)pyrimidin-2-yl]piperazin-1-yl)ethylamine AldrichCPR C11H16F3N5
CBR00746 3-Methyl-1-phenylpiperazine hydrochloride AldrichCPR C11H17ClN2
CDS004656 1-(o-tolyl)piperazine dihydrochloride AldrichCPR C11H18Cl2N2
CDS003200 1-(3-Methoxyphenyl)piperazine dihydrochloride AldrichCPR C11H18Cl2N2O
CBR00615 1-Methyl-2-phenylpiperazine dihydrochloride hydrate AldrichCPR C11H20Cl2N2O
CDS003971 4-N-Boc-piperazine-2-carboxylic acid methyl ester hydrochloride AldrichCPR C11H21ClN2O4
CDS013745 1-morpholin-4-yl-3-piperazin-1-yl-propan-1-one hydrochloride AldrichCPR C11H22ClN3O2
CBR01440 1-Methyl-4-(3-piperidinylMethyl)piperazine trihydrochloride AldrichCPR C11H26Cl3N3
CDS014376 4-amino-2-methyl-10h-thieno [2,3-b] [1,5] benzodiazepine hydrochloride AldrichCPR C12H12ClN3S
CDS012120 1-[3-(difluoromethoxy)benzoyl]piperazine AldrichCPR C12H14F2N2O2
CDS020164 4-Bromo-2-(4-methylpiperazino)benzaldehyde AldrichCPR C12H15BrN2O
CDS017437 2-(4-[3-chloro-5-(trifluoromethyl)-2-pyridyl]piperazino)ethan-1-ol AldrichCPR C12H15ClF3N3O
CDS010009 N-(3-fluoro-phenyl)-2-piperazin-1-yl-acetamide AldrichCPR C12H16FN3O
CDS010978 N-(4-fluorophenyl)-2-piperazin-1-ylacetamide AldrichCPR C12H16FN3O
CDS011178 1-[1-(2,4-difluorophenyl)ethyl]piperazine AldrichCPR C12H16F2N2
CDS020323 4-(4-Methyl-piperazin-1-yl)-3-trifluoromethyl-phenylamine AldrichCPR C12H16F3N3
CDS006254 1-(2-bromo-benzyl)-4-methylpiperazine AldrichCPR C12H17BrN2
CDS013807 (R)-1-benzoyl-3-methylpiperazine hydrochloride AldrichCPR C12H17ClN2O
CDS019492 1-[2-(4-Chlorophenoxy)ethyl]piperazine AldrichCPR C12H17ClN2O
CBR00802 1-(2-Phenylethyl)piperazin-2-one hydrochloride AldrichCPR C12H17ClN2O
CBR00767 1-(3-Methylbenzyl)piperazin-2-one hydrochloride AldrichCPR C12H17ClN2O
CBR00768 1-(3-Methoxybenzyl)piperazin-2-one hydrochloride AldrichCPR C12H17ClN2O2
CDS014534 1-[2-chloro-4-methyl-5-(methylsulfonyl)phenyl]piperazine AldrichCPR C12H17ClN2O2S
CDS002479 1-[2-Chloro-5-methyl-4-(methylsulfonyl)phenyl]piperazine AldrichCPR C12H17ClN2O2S
CDS006850 4-(1-Piperazinyl)-1H-indole dihydrochloride AldrichCPR C12H17Cl2N3
CDS011182 1-[1-(2-fluorophenyl)ethyl]piperazine AldrichCPR C12H17FN2
CDS011181 1-[1-(3-fluorophenyl)ethyl]piperazine AldrichCPR C12H17FN2
CDS002312 1-[2-(4-Fluorophenoxy)ethyl]piperazine AldrichCPR C12H17FN2O
CDS001675 1-(1-Phenylethyl)piperazine hydrochloride AldrichCPR C12H19ClN2
CBR01011 3-Methyl-1-(2-methylphenyl)piperazine hydrochloride AldrichCPR C12H19ClN2
CDS016932 1-(3,4-dimethoxyphenyl)piperazine hydrochloride AldrichCPR C12H19ClN2O2
CBR00654 1-(2-Chloroethyl)-4-phenylpiperazine dihydrochloride AldrichCPR C12H19Cl3N2
CBR00725 1-Cyclohexylpiperazin-2-one trifluoroacetate AldrichCPR C12H19F3N2O3
CDS009011 1-(2-benzenesulfonyl-ethyl)piperazine dihydrochloride AldrichCPR C12H20Cl2N2O2S
CDS001766 3-[(4-Methyl-1-piperazinyl)methyl]aniline dihydrochloride AldrichCPR C12H21Cl2N3
CBR00981 3-Methyl-1-(4-methylphenyl)piperazine dihydrochloride hydrate AldrichCPR C12H22Cl2N2O
CBR00602 1-Methyl-4-(1-piperidin-4-ylethyl)piperazine trihydrochloride dihydrate AldrichCPR C12H32Cl3N3O2
CDS013845 5-piperazin-1-yl-2-(trifluoromethyl)-1,6-naphthyridine AldrichCPR C13H13F3N4
CDS018459 7-chloro-4-piperazin-1-yl-quinoline AldrichCPR C13H14ClN3
CDS004809 6-Bromo-4-(4-methyl-1-piperazinyl)quinazoline AldrichCPR C13H15BrN4
CDS013820 8-(1-Piperazinyl)-isoquinoline hydrochloride AldrichCPR C13H16ClN3
CDS015029 2-[4-(6-chloro-1,3-benzothiazol-2-yl)piperazino]ethan-1-ol AldrichCPR C13H16ClN3OS
CDS019966 1-[4-(4-Amino-2-trifluoromethylphenyl)piperazin-1-yl]ethanone AldrichCPR C13H16F3N3O
CDS014835 1-(2,3-dihydro-1,4-benzodioxin-2-ylcarbonyl)piperazine hydrochloride AldrichCPR C13H17ClN2O3
363464 1-(3-Chlorophenyl)-4-(3-chloropropyl)piperazine monohydrochloride 97% C13H18Cl2N2 · HCl
CBR00769 1-(3,5-Dimethylbenzyl)piperazin-2-one hydrochloride AldrichCPR C13H19ClN2O
CDS002474 1-[2-Chloro-4-(methylsulfonyl)phenyl]-4-(2-hydroxyethyl)piperazine AldrichCPR C13H19ClN2O3S
CDS005235 tert-Butyl 4-(2-chloropyrimidin-4-yl)piperazine-1-carboxylate AldrichCPR C13H19ClN4O2
CDS002828 1-(4-Fluorobenzyl)-4-(2-hydroxyethyl)piperazine AldrichCPR C13H19FN2O
CDS001833 1-[2-Fluoro-4-(methylsulphonyl)phenyl]-4-(2-hydroxyethyl)piperazine AldrichCPR C13H19FN2O3S
CDS010666 piperazino-acetic acid-benzylamide hydrochloride AldrichCPR C13H20ClN3O
CDS009148 (3-methoxy-phenyl)-piperazin-1-yl-acetic acid dihydrochloride AldrichCPR C13H20Cl2N2O3
CDS015476 1-(2-benzyloxy-ethyl)-piperazine hydrochloride AldrichCPR C13H21ClN2O
CDS013598 1-(2,5-dimethoxybenzyl)piperazine hydrochloride AldrichCPR C13H21ClN2O2
CBR00636 1-(3-Methoxyphenyl)-2,2-dimethylpiperazine dihydrochloride AldrichCPR C13H22Cl2N2O
CDS012458 1-[2-(trifluoromethyl)quinol-4-yl]piperazine AldrichCPR C14H14F3N3
CBR00724 1-(2-Methoxybenzoyl)piperazine trifluoroacetate AldrichCPR C14H17F3N2O4
CBR01130 1-(3-Methoxybenzoyl)piperazine trifluoroacetate AldrichCPR C14H17F3N2O4
CDS012666 1-([3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl)piperazine hydrochloride AldrichCPR C14H19ClN4O2
653764 4-Boc-1-(5-bromo-2-pyridyl)piperazine 97% C14H20BrN3O2
653772 4-Boc-1-(6-bromo-2-pyridyl)piperazine 97% C14H20BrN3O2
CDS017648 3-[4-(2-chloro-6-fluorobenzyl)piperazino]propylamine AldrichCPR C14H21ClFN3
CDS020595 3-Chloro-4-[4-(2-furoyl)piperazin-1-yl]aniline AldrichCPR C15H16ClN3O2
CBR00950 2-(4-Methyl-6-piperazin-1-ylpyrimidin-2-yl)phenol hydrochloride AldrichCPR C15H19ClN4O
CDS013626 2-(4-Chlorophenyl)piperazine-1-carboxylic acid tert-butyl ester AldrichCPR C15H21ClN2O2
CDS018601 1-(4-fluorophenyl)-4-(4-methylpiperazino)-1-butanone AldrichCPR C15H21FN2O
CDS019450 3-(4-Fluoro-phenyl)-piperazine-1-carboxylic acid tert-butyl ester AldrichCPR C15H21FN2O2
CDS016646 1-(2-biphenyl)piperazine dihydrochloride AldrichCPR C16H20Cl2N2
ADE001000 tert-Butyl 4-(5-chloro-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazine-1-carboxylate AldrichCPR C16H21ClN4O2
CDS012465 (4-aminophenyl)[4-(2-fluorophenyl)piperazino]methanone AldrichCPR C17H18FN3O
C24507 1-(4-Chlorobenzhydryl)piperazine technical grade, 90% C17H19ClN2
CDS020179 3-{[4-(4-Fluorophenyl)piperazin-1-yl]carbonyl}-2,2-dimethylcyclopropanecarboxylic acid AldrichCPR C17H21FN2O3
CDS009719 2-(4-Boc-piperazinyl)-2-(3-chloro-phenyl)acetic acid AldrichCPR C17H23ClN2O4
44264 2-(4-Boc-piperazino)-2-(4-fluorophenyl)acetic acid purum, ≥97.0% (HPLC) C17H23FN2O4
CDS020508 5-[4-(2-Furoyl)-1-piperazinyl]-2-(trifluoromethyl)[1,6]naphthyridine AldrichCPR C18H15F3N4O2
CDS019116 7-Chloro-4-[4-(2-thienylcarbonyl)-1-piperazinyl]quinoline AldrichCPR C18H16ClN3OS
CDS018852 N-[2-amino-4-(4-methylpiperazino)phenyl]-3-chlorobenzenecarboxamide AldrichCPR C18H21ClN4O
CDS010353 t-butyl4-(2-Amino-1-[4-(trifluoromethyl)phenyl]ethyl)piperazine carboxylate AldrichCPR C18H26F3N3O2
CDS018276 N-benzyl-2-(4-(4-fluorophenyl)-1-piperazinyl)acetamide AldrichCPR C19H22FN3O
CDS003950 1-Fmoc-2-methyl-piperazine hydrochloride AldrichCPR C20H23ClN2O2
666254 4-((5-Bromo-2-thienyl)(2-hydroxyphenyl)methyl)-1-Boc-piperazine 97% C20H25BrN2O3S
ADE001001 tert-Butyl 4-(5-chloro-1-(triisopropylsilyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)piperazine-1-carboxylate AldrichCPR C25H41ClN4O2Si