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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Perazine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Perazine impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Perazine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Perazine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"1,4-Dibenzylpiperazine-d4 Dihydrochloride" Stable Isotopes CS-T-89108 118221-01-5 Enquire
(±)-2-Methyl-d3-piperazine-2,3,3,5,5,6,6-d7 Stable Isotopes CS-T-100008 2363789-19-7 Enquire
(2R,3R)-2,3-Dimethyl-1-piperazinecarboxylic-d4 Acid 1,1-Dime... Stable Isotopes CS-T-100391 1240583-15-6(Unlabeled) Enquire
1-(3-Cyano-2-pyridyl)-4-methyl-2-phenylpiperazine-d4 Stable Isotopes CS-T-101646 Not Available Enquire
1-(a,a,a-Trifluoro-m-tolyl)piperazine-d8 Hydrochloride Stable Isotopes CS-T-103182 1189975-78-7 Enquire
1-(Diphenylmethyl)-4-[(1RS,3E)-4-phenyl-1-[(E)-2-phenylethen... Stable Isotopes CS-T-101459 1331643-36-7 Enquire
1,4-Dinitrosopiperazine D8 Stable Isotopes CS-T-53751 69340-07-4 In Stock
1’-Oxo Perazine-d8 Stable Isotopes CS-T-84100 1246820-86-9 Enquire
11,11'-(2,2'-(Piperazine-1,4-diyl)bis(acetyl))bis(5H-benzo[e... Stable Isotopes CS-T-102814 Not Available Enquire
1-Benzhydrylpiperazine-d8 Stable Isotopes CS-T-95493 1330188-81-2 Enquire
1-Benzyl-4-ethylpiperazine-2,3-dione-d5 Stable Isotopes CS-T-101847 Not Available Enquire
1-Cyclopentyl-4-nitrosopiperazine-15N Stable Isotopes CS-T-104106 Not Available Enquire
1-Cyclopentyl-4-nitrosopiperazine-15N3 Stable Isotopes CS-T-104105 Not Available Enquire
1-Methyl-3-phenylpiperazine-d3 Stable Isotopes CS-T-82432 1189934-96-0 Enquire
1-Methyl-4-Nitro Piperazine-d11 Stable Isotopes CS-EO-02551 42499-42-3 (Unlabelled) Enquire
1-Methylpiperazine-d4 Dihydrochloride Stable Isotopes CS-T-81878 81586-76-7 Enquire
1-Nitropiperazine-d8 Stable Isotopes CS-T-83083 1794753-23-3 Enquire
1-Phenylpiperazine-d4 Stable Isotopes CS-T-99882 Not Available Enquire
3-TRIFLUOROMETHYLPHENYLPIPERAZINE Hydrochloride D4 Stable Isotopes CS-R-00512 15532-75-9(Unlabeled) Enquire
4-​(6-​Nitro-​3-​pyridinyl)​-1-​piperazine-​2,​2,​6,​6-​d4-​... Stable Isotopes CS-T-102709 2089333-15-1 Enquire
4-​(6-​Nitro-​3-​pyridinyl)​-piperazine-​2,​2,​6,​6-​d4 Stable Isotopes CS-T-102710 2089333-08-2 Enquire
4-(2,3-Dichlorophenyl)-1-piperazinecarboxylic Acid 1,1-Dimet... Stable Isotopes CS-T-102712 503315-03-5(Unlabelled) Enquire
4-(6-Nitro-3-pyridinyl)-1-nitroso-piperazine-2,2,6,6-d4 Stable Isotopes CS-T-104125 2089333-13-9 Enquire
4-(8-Chloro-5H-dibenzo[b,e][1,4]diazepin-11-yl)-1-piperazine... Stable Isotopes CS-T-102851 936094-44-9(Unlabelled) Enquire
4-?(6-?Methoxy-?3-?pyridinyl)?-?1-?piperazinecarboxylic Acid... Stable Isotopes CS-T-100058 Not Available Enquire
4-Benzyl-1-piperazineacetic Acid-d8 Hydrazide Stable Isotopes CS-T-102866 24632-70-0(Unlabelled) Enquire
4-Benzylpiperazine-1-carboxylic Acid-d8 tert-Butyl Ester Stable Isotopes CS-T-48990 1216387-74-4 Enquire
4-Chloro Perazine-d8 Stable Isotopes CS-T-72338 1346600-16-5 Enquire
4-Methyl-2-phenyl-1-tosylpiperazine-d4 Stable Isotopes CS-T-102224 Not Available Enquire
7-Hydroxy Prochlorperazine-d8 Stable Isotopes CS-T-79383 1246819-57-7 Enquire
Aripiprazole-d8 (piperazine-d8) Stable Isotopes CS-T-93678 1089115-06-9 Enquire
Dehydro Aripiprazole D8 (piperazine-d8) Stable Isotopes CS-O-13781 1215897-99-6 Enquire
m-chlorophenylpiperazine D8 Stable Isotopes CS-EO-02377 1313393-63-3 Enquire
N-(2-((2-(4-(2-(2-Hydroxyethoxy)ethyl)piperazine-d8--1-carbo... Stable Isotopes CS-T-98723 Not Available Enquire
N-(2,6-Dimethylphenyl)-1-piperazineacetamide D8 Stable Isotopes CS-F-00149 2749349-06-0 Enquire
N-(2,6-Dimethylphenyl)-1-piperazine-D8 Stable Isotopes CS-O-47473 Not Available Enquire
N-(Methyl)piperazine-d8 Di-trifluoroacetic Acid Salt Stable Isotopes CS-T-100003 Not Available Enquire
N,N'-bis(2,6-Dimethylphenyl)-1,4-piperazinediacetamide-d8 Stable Isotopes CS-T-100392 2751283-52-8 Enquire
N-Acetylpiperazine D4 Stable Isotopes CS-T-47337 1398065-90-1 Enquire
N-Boc-N-methylpiperazine-d3 Stable Isotopes CS-T-67999 1459230-58-0 Enquire
N-Boc-N-methylpiperazine-d8 Stable Isotopes CS-T-68391 1189436-83-6 Enquire
N-Desmethyl Perazine-d8 Stable Isotopes CS-T-88444 1246819-14-6 Enquire
N-Desmethyl Prochlorperazine-d8 Dimaleate Stable Isotopes CS-T-88405 1246817-68-4 Enquire
N-Ethylpiperazine-d5 Bis(trifluoroacetic Acid) Salt Stable Isotopes CS-T-77897 1246817-22-0 Enquire
N-Methyl-N'-nitrosopiperazine-15N Stable Isotopes CS-T-104108 Not Available Enquire
N-Methyl-N'-nitrosopiperazine-15N3 Stable Isotopes CS-T-104107 Not Available Enquire
N-Methyl-N-Nitrosopiperazine-d4 Stable Isotopes CS-T-81300 756524-88-6 In Stock
N-Methyl-N-Nitrosopiperazine-d4 1mg/1ml in Methanol Stable Isotopes CS-O-43183 756524-88-6 In Stock
N-Nitroso Avatrombopag imp-d8 (1-cyclohexyl-4-nitrosopiperaz... Stable Isotopes CS-O-58885 Not Available Enquire
N-Nitrosopiperazine D8 Stable Isotopes CS-T-59645 1330180-56-7 In Stock
Perazine-d8 Dihydrochloride Salt Stable Isotopes CS-T-84916 1246815-57-5 Enquire
Perazine-d8 Sulfoxide Stable Isotopes CS-T-84432 1246814-60-7 Enquire
Prochlorperazine D8 Dimaleate Stable Isotopes CS-O-00758 1215641-01-2 (Freebase) Enquire
Prochlorperazine Sulfoxide D3 Stable Isotopes CS-T-60668 1189943-37-0 Enquire
Prochlorperazine-d3 Dimesylate Stable Isotopes CS-T-85571 753432-54-1 Enquire
Prochlorperazine-d8 Stable Isotopes CS-P-00476 1215641-01-2 In Stock
Prochlorperazine-d8 (1mg/ml in methanol) Stable Isotopes CS-O-59462 1215641-01-2 Enquire
Prochlorperazine-d8 Dihydrochloride Stable Isotopes CS-O-06885 1215641-01-2(Freebase) In Stock
Quetiapine-d8 Hemifumarate (piperazine-d8) Stable Isotopes CS-T-95529 1435938-24-1 Enquire
Ramiprilat Diketopiperazine-d5 Stable Isotopes CS-T-97192 Not Available Enquire
Thiethylperazine-d8 Dimalate Stable Isotopes CS-T-102031 Not Available Enquire
Thioproperazine-d3 Difumarate Stable Isotopes CS-T-86946 1331638-03-9 Enquire
Trifluoperazine D8 Stable Isotopes CS-ED-02084 117-89-5 (Unlabeled) Enquire
Trifluoperazine-d3 N-Glucuronide Stable Isotopes CS-P-08562 165602-90-4 (Unlabeled) Enquire
Trifluoperazine-d8 Hydrochloride Stable Isotopes CS-O-40397 440-17-5(Unlabeled) In Stock
Zavegepant-d8 (Piperazine-d8) Stable Isotopes CS-O-51871 1337918-83-8(Unlabelled) Enquire
α-[(2-Methoxyphenoxy)methyl]-1-piperazineethanol-d8 Hydrochl... Stable Isotopes CS-T-101141 1092805-00-9(Free base) Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-1-N-Boc-2-methylpiperazine API Standards CS-M-53017 170033-47-3 Enquire
1-(3-Methyl-pyridin-2-ylmethyl)-piperazinedihydrochloride API Standards CS-M-11196 1185299-95-9 Enquire
1-[4-Fluoro-2-(methylsulfonyl)phenyl]piperazine API Standards CS-M-04996 849938-78-9 Enquire
1-benzo[b]thiophene-4-yl-piperazine hydrochloride API Standards CS-O-14642 913614-18-3 Enquire
1-methyl-4-(oxetan-3-yl)piperazine API Standards CS-EM-02312 1788043-99-1 Enquire
2-(trifluoromethyl)piperazine API Standards CS-DV-01165 131922-05-9 Enquire
4-Methyl-1-piperazinecarbonyl chloride hydrochloride API Standards CS-T-96063 55112-42-0 Enquire
Homopiperazine API Standards CS-T-26366 505-66-8 In Stock
Perazine API Standards CS-O-14095 84-97-9 In Stock
Perazine Dihydrochloride API Standards CS-T-60271 5317-37-3 Enquire
Perazine Dimalonate API Standards CS-O-05002 14777-25-4 Enquire
Prochlorperazine API Standards CS-O-05102 58-38-8 Enquire
Prochlorperazine diHCl API Standards CS-EO-03235 5374-32-3 Enquire
Prochlorperazine Dimaleate API Standards CS-O-31004 84-02-6 In Stock
Thiethylperazine Dimalate API Standards CS-T-87025 52239-63-1 Enquire
Thiethylperazine Dimaleate API Standards CS-O-02450 1179-69-7 In Stock
Trifluoperazine hydrochloride API Standards CS-ED-00812 440-17-5 Enquire


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(9-Anthracenylmethyl)piperazine Metabolites CS-F-00002 126257-22-5 Enquire
2,2,14,14-tetramethyl-8-oxopentadecanedioic acid Piperazine ... Metabolites CS-O-52004 2802470-19-3 Enquire
N-(3-Chlorophenyl)piperazine hydrochloride Metabolites CS-CX-00220 13078-15-4 Enquire
Piperazine N, N-Desethyl Sildenafil Metabolites CS-O-46084 466684-88-8 Enquire
Prochlorperazine Sulfoxide Metabolites CS-T-40535 10078-27-0 In Stock
Prochlorperazine Sulfoxide-d8 Metabolites CS-B-00346 Not Available Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(-)-(2R,5S)-1-Allyl-2,5-dimethylpiperazine" Impurities CS-T-01685 155836-78-5 Enquire
"(2R,3R)-2,3-Dimethyl-1-piperazinecarboxylic Acid 1,1-Dimeth... Impurities CS-T-53669 1240583-15-6 Enquire
"(2S,5S)-tert-Butyl 2,5-dimethylpiperazine-1-carboxylate" Impurities CS-DV-00139 1238951-37-5 Enquire
"(3R,5R)-3,5-Dimethyl-1-piperazinecarboxylic Acid 1,1-Dimeth... Impurities CS-T-53666 438049-91-3 Enquire
"(R)-3-Isopropyl-2,5-piperazinedione" Impurities CS-AC-03511 143673-66-9 Enquire
"(S,S)-3-Isopropyl-6-methylpiperazine-2,5-dione" Impurities CS-AC-04997 15136-26-2 Enquire
"1-(2,3-Dihydro-1H-inden-2-yl)piperazine dihydrochloride" Impurities CS-M-47786 23912-70-1 Enquire
"1-(4-Chloro-1,2,5-thiadiazol-3-yl)-4-methylpiperazine" Impurities CS-M-26547 870987-89-6 Enquire
"1-[2-(2,5-Dimethyl-pyrrol-1-yl)-ethyl]-piperazine" Impurities CS-M-07188 5059-36-9 Enquire
"1-Boc-3-(2,3-dichlorophenyl)piperazine" Impurities CS-DJ-01004 886769-00-2 Enquire
"1-Boc-cis-3,5-dimethyl-piperazine" Impurities CS-AC-04197 129779-30-2 Enquire
"2,5-Bis(4-hydroxyphenyl)piperazine Dihydrochloride" Impurities CS-T-07019 94572-68-6 Enquire
"cis-2,6-Dimethylpiperazine" Impurities CS-T-20512 21655-48-1 Enquire
"L-3,6-Bis(-β-hydroxyethyl)-2,5-diketopiperazine" Impurities CS-T-49332 1333325-24-8 Enquire
"L-3,6-Bis(5-(-β-amino-β-carboxyethyl)ethyl)-2,5-d... Impurities CS-T-49188 1356350-62-3 Enquire
(+)-(2S,5R)-1-Allyl-2,5-dimethylpiperazine, (+)-Camphoric Ac... Impurities CS-T-47562 186094-00-8 Enquire
(2S,5R)-1-Boc-2,5-dimethylpiperazine Impurities CS-T-07529 548762-66-9 Enquire
(2S,5R)-1-Boc-2,5-dimethylpiperazine hydrochloride Impurities CS-DV-00136 1374975-96-8 Enquire
(R)-1-Benzoyl-4-(4-iodophenyl)sulfonyl-3-methylpiperazine Impurities CS-AC-04164 948990-71-4 Enquire
(R)-1-Boc-2-isopropyl-piperazine Impurities CS-AC-04152 674792-04-2 Enquire
(R)-1-Boc-piperazine-3-carboxylic acid Impurities CS-AC-08268 192330-11-3 Enquire
(R)-1-N-Cbz-piperazine-2-carboxylic acid methyl ester Impurities CS-AC-04181 126937-43-7 Enquire
(R)-2-Ethylpiperazine Dihydrochloride Impurities CS-T-23134 438050-07-8 Enquire
(R)-N-1-Boc-n-4-cbz-2-piperazine carboxylic acid Impurities CS-AC-04794 138775-02-7 Enquire
(S)-1-BOC-4-[2-(Cbz-Amino)isopentanoyl]piperazine Impurities CS-AC-04255 1420804-55-2 Enquire
(S)-1-N-Boc-4-N-Fmoc-piperazine-2-carboxylic acid Impurities CS-AC-08798 1034574-30-5 Enquire
1-({1-[(3,5-Dimethylisoxazol-4-yl)sulfonyl]-piperidin-4-yl}a... Impurities CS-M-28877 1185302-54-8 Enquire
1-(1-Methylpiperidin-4-yl)piperazine Impurities CS-M-25498 23995-88-2 Enquire
1-(2-Chloroethyl)-4-methylpiperazine hydrochloride Impurities CS-M-26631 5753-26-4 Enquire
1-(2-Ethylphenyl)piperazine Impurities CS-M-26083 40224-10-0 Enquire
1-(2-Fluorobenzyl)piperazine Impurities CS-DJ-01109 89292-78-4 Enquire
1-(2-Fluoro-benzyl)-piperazine Hydrochloride Impurities CS-M-16252 435345-41-8 Enquire
1-(2-Methoxy-2-phenylethyl)piperazine Impurities CS-BL-00030 6722-54-9 Enquire
1-(2-Oxo-2-pyrrolidin-1-ylethyl)piperazine Impurities CS-M-25928 39890-45-4 Enquire
1-(2-Phenoxyethyl)piperazine Impurities CS-M-08235 13484-37-2 Enquire
1-(3-Bromophenyl)piperazine Hydrochloride Impurities CS-T-08796 796856-45-6 In Stock
1-(3-Carboxypyrid-2-yl)-2-phenyl-4-methyl-piperazine HCl Impurities CS-O-56396 61338-13-4(Free salt) Enquire
1-(3-Chloro-2-methylpropyl)-4-methylpiperazine Dihydrochlori... Impurities CS-T-72170 102449-98-9 Enquire
1-(3-Fluoro-benzyl)-piperazine Impurities CS-M-07098 55513-19-4 Enquire
1-(3-Hydroxy-phenyl)-piperazine-4-carboxylic acid tert-butyl... Impurities CS-T-78112 198627-86-0 Enquire
1-(3-Hydroxypropyl)-4-methylpiperazine Impurities CS-O-16269 5317-33-9 Enquire
1-(3-Iodo-pyridin-2-yl)-piperazine Impurities CS-M-08675 85386-98-7 Enquire
1-(3-Methoxypropyl)piperazine Impurities CS-DJ-01006 88708-40-1 Enquire
1-(3-methyl-1-phenyl-1H-pyrazol-5-yl)-4-nitrosopiperazine Impurities CS-O-46603 Not Available Enquire
1-(3-Methylphenyl)piperazine Impurities CS-M-25823 41186-03-2 Enquire
1-(4-Benzyloxy-3-chlorophenyl)piperazine Impurities CS-T-05985 800371-67-9 Enquire
1-(4-Chlorophenyl)piperazine Impurities CS-M-25861 38212-33-8 Enquire
1-(4-Cyano-benzyl)-piperazine Impurities CS-DL-00634 89292-70-6 Enquire
1-(5-Iodo-pyridin-2-yl)-piperazine Impurities CS-M-15795 219635-89-9 Enquire
1-(5-Isoquinolinesulfonyl)-2-methylpiperazine Dihydrochlorid... Impurities CS-T-30061 108930-17-2 Enquire
1-(5-Isoquinolinesulfonyl)-3-methylpiperazine Hydrochloride Impurities CS-T-30064 141543-65-9 Enquire
1-(5-Isoquinolinesulfonyl)piperazine Hydrochloride Impurities CS-T-30066 141543-63-7 Enquire
1-(8-Chloro-5-isoquinolinesulfonyl)piperazine Dihydrochlorid... Impurities CS-T-11828 355115-40-1 Enquire
1-(Oxetan-3-yl)piperazine Impurities CS-DL-00658 1254115-23-5 Enquire
1-(Tetrahydro-furan-2-ylmethyl)-piperazine Impurities CS-M-09041 82500-35-4 Enquire
1,1'-(Ethane-1,1-diylbis(2,3-dichloro-4,1-phenylene))dipiper... Impurities CS-O-37009 784135-99-5 Enquire
1,1-Dimethylethyl 4-[2-[(2,4-dimethylphenyl)thio]phenyl]-1-p... Impurities CS-O-51715 960203-42-3 Enquire
1,4-Dibenzylpiperazine Dihydrochloride Impurities CS-T-17114 2298-55-7 Enquire
1,4-Dicyclopropanecarbonylpiperazine Impurities CS-O-52492 458535-34-7 Enquire
1,4-Dinitrosopiperazine Impurities CS-T-20729 140-79-4 In Stock
1,4-Di-tert-butyl piperazine-1,4-dicarboxylate Impurities CS-T-90502 76535-75-6 In Stock
1-[(4-Methoxyphenyl)sulfonyl]piperazine Impurities CS-M-06794 121751-67-5 Enquire
1-[(6-Chloropyridin-3-yl)methyl]piperazine dihydrochloride Impurities CS-M-47783 1135439-04-1 Enquire
1-[1-(3,4-Dichloro-phenyl)-ethyl]-piperazine Impurities CS-M-09055 514787-47-4 Enquire
1-[1-(4-Chloro-phenyl)-ethyl]-piperazine Impurities CS-M-09054 512776-10-2 Enquire
1-[2-(2-Chloro-phenoxy)-ethyl]-piperazine Impurities CS-M-08886 20383-85-1 Enquire
1-[2-(2-Fluorophenoxy)ethyl]piperazine Impurities CS-M-08224 401481-90-1 Enquire
1-[2-(2-Methoxy-phenoxy)-ethyl]-piperazine Impurities CS-M-08885 117132-45-3 Enquire
1-[2-(4-Fluorophenoxy)ethyl]piperazine Impurities CS-M-08220 77602-92-7 Enquire
1-[2-(Methylsulfonyl)phenyl]-3-methylpiperazine hydrochlorid... Impurities CS-M-14202 1171143-63-7 Enquire
1-[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]-piperazine hydro... Impurities CS-M-26878 954850-14-7 Enquire
1-[4-(Chloromethyl)-1,3-thiazol-2-yl]-4-[3-chloro-5-(trifluo... Impurities CS-M-30522 303150-21-2 Enquire
1-benzhydryl-4-((4-chlorophenyl)(phenyl)methyl)piperazine Impurities CS-O-48909 Not Available Enquire
1-Benzoylpiperazine Impurities CS-DL-00955 13754-38-6 Enquire
1-Boc-4-(4-chloro-2-fluorophenyl)piperazine Impurities CS-DJ-00425 945422-81-1 Enquire
1-Cyclopentyl-4-nitrosopiperazine Impurities CS-ED-01323 61379-66-6 In Stock
1-Ethyl-4-((6-((5-fluoro-4-(4-fluoro-1-isopropyl-2-methyl-1H... Impurities CS-O-55135 Not Available Enquire
1-Ethyl-4-nitrosopiperazine Impurities CS-ED-01202 65504-33-8 In Stock
1-Furfurylpiperazine dihydrochloride Impurities CS-M-07464 1185304-05-5 Enquire
1-Methyl-2-phenylpiperazinedihydrochloride Impurities CS-M-08294 5271-28-3 Enquire
1-Methyl-4-(phenylmethyl)piperazine Impurities CS-T-06102 62226-74-8 Enquire
1-METHYL-4-[4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)P... Impurities CS-DL-00612 747413-21-4 Enquire
1-methyl-4-{1-[4-(tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl... Impurities CS-EM-01593 1643923-77-6 Enquire
1-methyl-4-nitrosopiperazine-d11 Impurities CS-O-40718 16339-07-4 (Unlabelled) Enquire
1-Methylpyrrolo[2,3-b]pyridine-3-carboxylic Acid N-Phenyl Ho... Impurities CS-T-34845 1246819-28-2 Enquire
1-Nitroso-4-phenylpiperazine Impurities CS-T-59643 14340-33-1 In Stock
1-piperazinecarboxylic acid, 3-(2-thienyl)-, 1,1-dimethyleth... Impurities CS-EM-03461 886771-38-6 Enquire
2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine... Impurities CS-T-60613 102839-00-9 In Stock
2-methyl-1-nitrosopiperazine Impurities CS-O-44469 1172850-85-9 Enquire
3,6-Dimethylpiperazine-2,5-dione Impurities CS-ZG-38734 5625-46-7 Enquire
3-Methyl-1-(4-methylphenyl)piperazine dihydrochloride Impurities CS-M-08292 1185296-78-9 Enquire
3-Methyl-1-phenylpiperazine dihydrochloride Impurities CS-M-08291 1185299-85-7 Enquire
4-(3-chlorophenyl)-1-nitrosopiperazine Impurities CS-T-94254 2219339-13-4 In Stock
4-(6-Nitro-3-pyridinyl)-1-nitroso-piperazine Impurities CS-T-94481 2089333-12-8 In Stock
4-Benzhydryl-1-piperazineethanol Dihydrochloride Impurities CS-T-48648 108983-83-1 Enquire
4-Benzyl-1-(tert-butoxycarbonyl)piperazine-2-carboxylic acid Impurities CS-M-50218 1214057-04-1 Enquire
4-Boc-1-(1,4-benzodioxan-2-ylcarbonyl)piperazine Impurities CS-T-07463 1076199-22-8 Enquire
4-Boc-2-oxopiperazine Impurities CS-T-07656 76003-29-7 Enquire
4-Chloro Perazine Dihydrochloride Impurities CS-T-71696 1346602-34-3 Enquire
4-Hydroxybenzylpiperazine-d4 Dihydrochloride Impurities CS-B-00251 75341-33-2(unlabeled freebase) Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Piperazine hydrate (P2100000) EP Standards CS-EG-01129 Not Available Enquire
Prochlorperazine for system suitability(Y0002082) EP Standards CS-EG-00732 58-38-8 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"(2S)-2-Ethylpiperazine, N1-BOC protected" Intermediates CS-EL-29495 325145-35-5 Enquire
"(2S,5R)-1-(4-Fluorobenzyl)-2,5-dimethylpiperazine" Intermediates CS-BF-00393 364066-92-2 Enquire
"1-((2,5-dimethoxyphenyl)sulfonyl)-4-(2-fluorophenyl)piperaz... Intermediates CS-EL-05566 681844-72-4 Enquire
"1-((2,5-dimethoxyphenyl)sulfonyl)-4-phenylpiperazine" Intermediates CS-EL-06332 332021-06-4 Enquire
"1-(1,3-benzodioxol-5-ylmethyl)-4-(mesitylsulfonyl)piperazin... Intermediates CS-EL-31262 349624-04-0 Enquire
"1-(1,3-benzodioxol-5-ylmethyl)-4-{[2-(2-propynyloxy)-1-naph... Intermediates CS-EL-31057 866149-68-0 Enquire
"1-(1,3-dimethylbutyl)piperazine dihydrochloride" Intermediates CS-Q-01534 1171587-00-0 Enquire
"1-(2,2-Dimethylpropanoyl)piperazine" Intermediates CS-EL-29470 155295-47-9 Enquire
"1-(2,3-Dihydro-1-benzofuran-5-ylmethyl)piperazine DiHCl" Intermediates CS-T-90914 1052545-84-2 Enquire
"1-(2,4-Dichlorobenzyl)piperazine" Intermediates CS-M-18187 51619-56-8 Enquire
"1-(2,4-dichlorophenyl)piperazine dihydrochloride" Intermediates CS-EL-07186 827614-48-2 Enquire
"1-(2,4-Dinitrophenyl)-3-methyl-piperazine hcl" Intermediates CS-T-89575 298230-11-2 Enquire
"1-(2,4-Dinitrophenyl)-piperazine hcl" Intermediates CS-T-91813 31284-04-5 Enquire
"1-(2,5-Dimethoxy-benzyl)-piperazinehydrochloride" Intermediates CS-M-04100 374897-99-1 Enquire
"1-(3,4-Dichlorobenzyl)piperazine" Intermediates CS-M-18186 55513-17-2 Enquire
"1-(3,4-dichlorophenyl)-4-(5-nitro-2-pyridinyl)piperazine" Intermediates CS-EL-05247 400088-96-2 Enquire
"1-(3,4-dichlorophenyl)-4-nonylpiperazine" Intermediates CS-EL-15377 866151-50-0 Enquire
"1-(3,4-Dimethylphenyl)piperazine" Intermediates CS-EL-29845 1014-05-7 Enquire
"1-(3,5-Dibromophenyl)piperazine" Intermediates CS-T-88316 1121610-24-9 Enquire
"1-(3,5-Dichloropyridin-4-yl)piperazine" Intermediates CS-EL-02393 175277-80-2 Enquire
"1-(3-Bromo-5-methylpyridin-2-yl)-4-propylpiperazine, HCl" Intermediates CS-T-70305 1187386-03-3 Enquire
"1-(3-Phenyl-[1,2,4]thiadiazol-5-yl)-piperazine" Intermediates CS-M-43677 306935-14-8 Enquire
"1-(4-Methoxy[1,1-biphenyl]-2-yl)-piperazine Hydrochloride" Intermediates CS-T-57629 1386928-34-2 Enquire
"1-(4-Methoxyphenyl)-2,2-dimethylpiperazine" Intermediates CS-M-45454 893748-41-9 Enquire
"1-(4-Phenyl-1,3-thiazol-2-yl)piperazine" Intermediates CS-T-84031 69389-14-6 Enquire
"1-(5-chloro-2-methylphenyl)-4-[(2,4,5-trichlorophenyl)sulfo... Intermediates CS-EL-20926 496054-75-2 Enquire
"1-(Pentafluorophenyl)piperazine, HCl" Intermediates CS-AC-09456 1052530-86-5 Enquire
"1,2-Dimethylpiperazine" Intermediates CS-T-20511 25057-77-6 Enquire
"1,4-Bis(2-Aminophenyl)piperazine" Intermediates CS-AC-03998 29549-88-0 Enquire
"1,4-Bis(3-nitropyridin-2-yl)piperazine" Intermediates CS-T-67040 5086-48-6 Enquire
"1,4-Bis[(3-Iodophenyl)carbonyl]piperazine" Intermediates CS-AC-08756 324776-77-4 Enquire
"1,4-Diacrylylpiperazine" Intermediates CS-T-52396 6342-17-2 Enquire
"1,4-Di-Boc-piperazine-2-carboxylic acid" Intermediates CS-M-58101 181955-79-3 Enquire
"1,4-Diisobutyryl-piperazine" Intermediates CS-T-90524 18940-58-4 Enquire
"1,4-Dimethyl-2-(hydroxymethyl)piperazine" Intermediates CS-EL-08976 14675-44-6 Enquire
"1,4-di-tert-butyl 2-(aminomethyl)piperazine-1,4-dicarboxyla... Intermediates CS-EM-00874 1256815-07-2 Enquire
"1,4-Piperazinediacetonitrile" Intermediates CS-T-84330 5623-99-4 Enquire
"1-[(1-Ethyl-3,5-dimethyl-1H-pyrazol-4-yl)methyl]-piperazine... Intermediates CS-M-18811 1004195-30-5 Enquire
"1-[(2,4-dimethoxy-3-methylphenyl)sulfinyl]-4-(2-fluoropheny... Intermediates CS-EL-16932 338981-91-2 Enquire
"1-[(2,5-dimethoxyphenyl)sulfonyl]-4-(2-methoxyphenyl)pipera... Intermediates CS-EL-07952 325812-79-1 Enquire
"1-[(2,5-Dimethylphenyl)sulfonyl]piperazine" Intermediates CS-M-18740 524711-33-9 Enquire
"1-[(2-chloro-1,3-thiazol-5-yl)methyl]-4-methylpiperazine" Intermediates CS-EL-05781 341967-70-2 Enquire
"1-[(2-chloro-1,3-thiazol-5-yl)methyl]-4-phenylpiperazine" Intermediates CS-EL-30126 478248-87-2 Enquire
"1-[(3,4-Dimethoxyphenyl)sulfonyl]piperazine" Intermediates CS-M-18741 91908-88-2 Enquire
"1-[(3,6-Dichloro-1-benzothien-2-yl)carbonyl]-piperazine" Intermediates CS-M-18197 522597-21-3 Enquire
"1-[(4-Bromophenyl)methyl]piperazine, HCl" Intermediates CS-AC-04219 510725-48-1 Enquire
"1-[[2-(4-chlorophenyl)-4,4-dimethyl-1-cyclohexen-1-yl]methy... Intermediates CS-DV-00789 1628047-87-9 Enquire
"1-[2-(2,3-Dimethyl-phenoxy)-ethyl]-piperazine" Intermediates CS-M-09111 51934-64-6 Enquire
"1-[2,6-Bis(trifluoromethyl)quinol-4-yl]piperazine" Intermediates CS-EL-19131 401567-74-6 Enquire
"1-[2,6-Dinitro-4-(trifluoromethyl)phenyl]-piperazine" Intermediates CS-M-32498 36317-84-7 Enquire
"1-{[1-(2-chlorophenyl)-1H-1,2,3-triazol-5-yl]methyl}piperaz... Intermediates CS-EL-09044 1610377-07-5 Enquire
"1-benzhydryl-4-[(2,4,5-trichlorophenyl)sulfonyl]piperazine" Intermediates CS-EL-31414 325813-77-2 Enquire
"1-benzyl-4-[5-(1H-pyrazol-1-ylmethyl)-1,3-thiazol-2-yl]pipe... Intermediates CS-EL-30661 956754-36-2 Enquire
"1-Benzyl-4-methylpiperazine, HCl" Intermediates CS-AC-02049 374898-00-7 Enquire
"1-Boc-3,3-dimethylpiperazine" Intermediates CS-EL-07466 259808-67-8 Enquire
"1-Boc-3,5-dimethylpiperazine" Intermediates CS-AC-02930 639068-43-2 Enquire
"1-BOC-4-(2,4-difluorobenzyl)piperazine" Intermediates CS-AC-04373 1065586-31-3 Enquire
"1-BOC-4-[2-[[1-(4,4-dimethyl-2,6-dioxocyclohexylidene)ethyl... Intermediates CS-AC-04554 1258652-71-9 Enquire
"1-Methyl-4-(1,3-thiazol-2-yl)piperazine" Intermediates CS-AC-11908 187533-52-4 Enquire
"1-Methyl-4-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl... Intermediates CS-AC-06072 914610-39-2 Enquire
"2-(2,4-Dichloro-5-fluorophenyl)piperazine" Intermediates CS-T-88659 914348-92-8 Enquire
"2-(2,5-Dichlorophenyl)piperazine" Intermediates CS-T-90803 914348-91-7 Enquire
"2-(3,5-Dimethoxyphenyl)piperazine" Intermediates CS-T-90782 910444-70-1 Enquire
"2,3-Dimethyl-piperazine" Intermediates CS-M-14522 84468-52-0 Enquire
"2,3-Diphenylpiperazine" Intermediates CS-CE-00410 143699-24-5 Enquire
"2,6-Piperazinedione" Intermediates CS-T-84036 4774-22-5 Enquire
"2-Benzo[1,3]dioxol-5-yl-piperazine" Intermediates CS-M-14529 65709-24-2 Enquire
"3,3'-(1,4-Piperazinediyl)bis(2-hydroxy-1-propanesulfonic ac... Intermediates CS-M-43016 68189-43-5 Enquire
"4-(3-Aminobenzyl)piperazine, N1-BOC protected" Intermediates CS-EL-03442 361345-40-6 Enquire
"4-(4-Methylpiperazine-1-carbonyl)phenylboronic acid, pinaco... Intermediates CS-AC-06046 832114-06-4 Enquire
"4,4-(Propane-1,2-diyl)bis(piperazine-2,6-dione)" Intermediates CS-M-58412 21416-67-1 Enquire
"4-Benzyl 1-tert-butyl 2-oxopiperazine-1,4-dicarboxylate" Intermediates CS-AC-01939 1228675-25-9 Enquire
"rac 1,4-Diallyl-2,5-dimethylpiperazine" Intermediates CS-T-52398 738577-06-5 Enquire
"tert-butyl 2,2-dimethylpiperazine-1-carboxylate" Intermediates CS-EM-03569 674792-07-5 Enquire
"tert-butyl 4-(5-bromo-1,3,4-thiadiazol-2-yl)piperazine-1-ca... Intermediates CS-EL-10245 1352925-43-9 Enquire
"tert-Butyl 4-[(2,6-difluorophenyl)methyl]piperazine-1-carbo... Intermediates CS-AC-09414 1393442-57-3 Enquire
"tert-Butyl 4-[(3,4-difluorophenyl)methyl]piperazine-1-carbo... Intermediates CS-AC-09644 1393441-76-3 Enquire
"tert-butyl 4-{1H-pyrrolo[2,3-b]pyridin-3-ylmethyl}piperazin... Intermediates CS-EL-10228 1065100-86-8 Enquire
(2R)-1,2-dimethylpiperazine Intermediates CS-EM-02993 623586-02-7 Enquire
(2R)-1-Methanesulfonyl-2-methylpiperazine hydrochloride Intermediates CS-ED-34016 1032757-87-1 Enquire
(2S)-1,2-dimethylpiperazine Intermediates CS-EM-02668 485841-52-9 Enquire
(2S)-1,2-dimethylpiperazine dihydrochloride Intermediates CS-EM-03306 485841-50-7 Enquire
(2S)-1-methanesulfonyl-2-methylpiperazine hydrochloride Intermediates CS-ED-11898 956034-35-8 Enquire
(2S)-piperazine-2-carboxylic acid dihydrochloride Intermediates CS-EM-00362 158663-69-5 Enquire
(3-(4-(2-Hydroxyethyl)piperazine-1-carbonyl)phenyl)boronic a... Intermediates CS-BF-00218 957060-95-6 Enquire
(3S)-1-benzyl-3-ethylpiperazine Intermediates CS-EM-02732 324750-04-1 Enquire
(3S)-1-benzyl-3-ethylpiperazine-2,5-dione Intermediates CS-EM-02907 325145-36-6 Enquire
(8aS)-8a-methyl-octahydropyrrolo[1,2-a]piperazine Intermediates CS-EM-02616 1261569-85-0 Enquire
(R)-1,3-Dimethylpiperazine Intermediates CS-ED-34011 1033717-21-3 Enquire
(R)-1-[(4-Chlorophenyl)phenylmethyl]piperazine Intermediates CS-T-12409 300543-56-0 In Stock
(R)-1-Boc-2-Benzylpiperazine Intermediates CS-M-53041 947684-78-8 Enquire
(R)-1-Boc-2-ethylpiperazine Intermediates CS-M-53020 393781-70-9 Enquire
(R)-1-Boc-2-hydroxymethylpiperazine Intermediates CS-M-53023 169448-87-7 Enquire
(R)-1-Boc-3-Isopropylpiperazine Intermediates CS-BJ-00094 928025-63-2 Enquire
(R)-4-((3-chloro-2-fluorophenyl)amino)-7-methoxyquinazolin-6... Intermediates CS-ED-11911 1626387-80-1 Enquire
(R)-4-(2-Amino-propyl)-piperazine-1-carboxylic acid tert-but... Intermediates CS-ED-08307 1427203-50-6 Enquire
(R)-tert-Butyl 2-isopropylpiperazine-1-carboxylate hydrochlo... Intermediates CS-ED-21520 955979-06-3 Enquire
(R)-tert-butyl 4-(5-methyl-7-oxo-6,7-dihydro-5H-cyclopenta[d... Intermediates CS-O-41509 1001180-21-7 Enquire
(S)-(+)-2-Methylpiperazine Intermediates CS-DK-00335 74879-18-8 Enquire
(S)-1-(tert-Butoxycarbonyl)-5-oxopiperazine-2-carboxylic aci... Intermediates CS-ED-22227 1033713-11-9 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
"1,4-Bis[(tetrahydro-2-furanyl)carbonyl]-piperazine" Fine Chemicals CS-T-68397 547730-06-3 Enquire
(R)-1-Boc-2-propyl-piperazine Fine Chemicals CS-O-49940 1212252-88-4 Enquire
(S)-2-(Trifluoromethyl)piperazine Fine Chemicals CS-ZJ-30845 1187931-35-6 Enquire
(S)-Benzyl 2-(cyanomethyl)piperazine-1-carboxylate hydrochlo... Fine Chemicals CS-ED-02300 2158302-02-2 Enquire
1-(2,3-dichorophenyl)4-(2-(2-isocyanatocyclohexyl)ethyl)pipe... Fine Chemicals CS-O-59567 Not Available Enquire
1-(2,5-dichlorophenyl)piperazine hydrochloride Fine Chemicals CS-O-53763 119438-13-0 Enquire
1-(2,6-Difluorobenzyl)piperazine Fine Chemicals CS-DJ-00867 874774-61-5 Enquire
1-(3-Chloro-2-methylphenyl)piperazine hydrochloride Fine Chemicals CS-ED-41881 796856-42-3 Enquire
1-(3-Trifluoromethylphenyl)piperazine monohydrochloride Fine Chemicals CS-O-14680 16015-69-3 In Stock
1-(4-Bromophenyl)piperazine Fine Chemicals CS-AC-04200 66698-28-0 In Stock
1-(4-Fluoro-2-nitrophenyl)piperazine Fine Chemicals CS-M-02710 243128-46-3 Enquire
1-(6-Nitropyridin-3-yl)piperazine hydrochloride Fine Chemicals CS-ED-02234 1221726-34-6 In Stock
1-(tert-Butoxycarbonyl)piperazine Fine Chemicals CS-T-07677 57260-71-6 In Stock
1,1-Dimethylethyl (2R)-2-cyclopropyl-1-piperazinecarboxylate Fine Chemicals CS-O-49936 1240584-61-5 Enquire
1,1'-Ethylenedipiperazine Fine Chemicals CS-O-39726 19479-83-5 Enquire
1,4-dimethyl-2-phenylpiperazine Fine Chemicals CS-ED-01421 5271-29-4 Enquire
1-Amino-4-methylpiperazine Fine Chemicals CS-ED-02412 6928-85-4 Enquire
1-benzyl 4-tert-butyl 2-methyl piperazine-1,2,4-tricarboxyla... Fine Chemicals CS-O-39668 126937-42-6 Enquire
1-Ethylpiperazine Fine Chemicals CS-T-23101 5308-25-8 In Stock
1-Formyl-4-methylpiperazine Fine Chemicals CS-ED-01992 7556-55-0 Enquire
1-Hexylpiperazine Fine Chemicals CS-M-25809 51619-55-7 Enquire
1-Methylpiperazine Fine Chemicals CS-T-58589 109-01-3 In Stock
1-Nitropiperazine Fine Chemicals CS-T-59603 42499-41-2 Enquire
1-Oxo Perazine Fine Chemicals CS-T-38450 91508-47-3 Enquire
1-Piperazinepropanol Fine Chemicals CS-ED-01801 5317-32-8 Enquire
1-Tosylpiperazine hydrochloride Fine Chemicals CS-DB-00144 856843-84-0 Enquire
2,5-Piperazinedione Fine Chemicals CS-T-40050 106-57-0 In Stock
2,6-Dimethylpiperazine Fine Chemicals CS-T-20510 108-49-6 In Stock
4-(tert-Butoxycarbonyl)piperazine-1-carboxylic acid Fine Chemicals CS-ED-01901 356517-38-9 Enquire
4-Benzhydryl-1-piperazineethanol Fine Chemicals CS-O-33164 10527-64-7 Enquire
Benzyl (R)-2-(cyanomethyl)piperazine-1-carboxylate Fine Chemicals CS-O-40682 2306255-32-1 Enquire
Benzyl (S)-2-(Cyanomethyl)piperazine-1-carboxylate Fine Chemicals CS-T-94136 2158302-01-1 Enquire
N-(2,6-Dimethylphenyl)-4-[2-hydroxy-3-(4-methoxyphenoxy)prop... Fine Chemicals CS-T-93442 1393717-45-7 Enquire
N,N-Diethyl-4-methyl-1-piperazinecarboxamide Fine Chemicals CS-MM-79413 90-89-1 Enquire
Piperazine citrate Fine Chemicals CS-O-10193 144-29-6 In Stock
Piperazine Hexahydrate Fine Chemicals CS-DE-00660 142-63-2 In Stock
Piperazine Hexahydrate Fine Chemicals CS-O-59461 142-63-2 Enquire
tert-Butyl (2R)-2-(2-hydroxyethyl)piperazine-1-carboxylate Fine Chemicals CS-O-49937 947275-74-3 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Piperazine-2-carboxylic acid dihydrochloride Building Blocks CS-M-57532 126330-90-3 In Stock
(S)-1-N-Boc-2-methylpiperazine Building Blocks CS-M-53018 169447-70-5 Enquire
(S)-1-N-Boc-Piperazine-2-carboxylic acid methyl ester Building Blocks CS-M-53019 796096-64-5 Enquire
1,1-Dimethylethyl 4-cyano-1-piperazinecarboxylate Building Blocks CS-O-48974 113534-02-4 In Stock
1,4-Bis(3-chlorophenyl)-piperazine Building Blocks CS-TA-32424 79975-63-6 In Stock
1-[4-(Trifluoromethyl)benzyl]piperazine Building Blocks CS-M-17227 107890-32-4 Enquire
1-Acetylpiperazine Building Blocks CS-DV-00815 13889-98-0 In Stock
1-BOC-4-(2-Hydroxyethyl) Piperazine Building Blocks CS-O-58298 77279-24-4 Enquire
1-Cyclobutanecarbonylpiperazine Building Blocks CS-O-46690 64579-67-5 Enquire
1-Methyl-4-phenylpiperazine Building Blocks CS-ZH-23023 3074-43-9 Enquire
1-N-Boc-2-fluoromethylpiperazine Building Blocks CS-T-67107 1017789-35-3 Enquire
4-Fmoc-piperazine-2-carboxylic acid Building Blocks CS-T-75369 219312-90-0 Enquire
4-N-Boc-2-hydroxymethylpiperazine Building Blocks CS-AC-04876 301673-16-5 Enquire
Fmoc-(4-carboxymethyl)piperazine Building Blocks CS-M-30113 180576-05-0 Enquire
N,N-dimethylpiperazine-1-carboxamide Building Blocks CS-O-48410 41340-78-7 Enquire
N-[(2-tert-Butyl-6-chlorobenzoxazol-7-yl)sulfonyl]piperazine Building Blocks CS-O-43588 960495-44-7 Enquire
N-Boc-3-Ethylpiperazine Building Blocks CS-M-54877 438049-35-5 Enquire
Piperazine Building Blocks CS-T-40046 110-85-0 In Stock
Piperazine hydrate Building Blocks CS-ED-41720 16832-43-2 Enquire