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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Piperazine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Piperazine 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 Piperazine-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.

Piperazine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-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-(2,3-dichlorophenyl)-4-nitrosopiperazine D8 Stable Isotopes CS-O-53624 2989508-28-1 (unlabelled) Enquire
1-(3-Buten-1-yl)-4-(2,3-dichlorophenyl)-piperazine-d8 Stable Isotopes CS-T-100704 2733969-84-9 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-Bis(7-chloroquinolin-4-yl)piperazine-d8 Stable Isotopes CS-T-102541 31502-87-1(Unlabelled) Enquire
1,4-Bis(tert-boc)piperazine-d8 Stable Isotopes CS-T-102941 1246816-49-8 Enquire
11,11'-(2,2'-(Piperazine-1,4-diyl)bis(acetyl))bis(5H-benzo[e... Stable Isotopes CS-T-102814 Not Available Enquire
1-Benzyl-4-ethylpiperazine-2,3-dione-d5 Stable Isotopes CS-T-101847 Not Available Enquire
1-Bis(4-fluorophenyl)methyl Piperazine-d8 Stable Isotopes CS-T-103117 27469-60-9(Unlabelled) Enquire
1-Boc-4-(6-aminopyridin-3-yl)piperazine-d4 Stable Isotopes CS-T-100753 1808106-94-6 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-Ethyl-2,3-dioxopiperazine-d5 Stable Isotopes CS-T-101406 Not Available Enquire
1-Methyl-4-Nitro Piperazine-d11 Stable Isotopes CS-EO-02551 42499-42-3 (Unlabelled) Enquire
1-methyl-4-nitrosopiperazine-d11 Stable Isotopes CS-O-40718 16339-07-4 (Unlabelled) Enquire
1-Phenylpiperazine-d4 Stable Isotopes CS-T-99882 Not Available Enquire
4-​(6-​Methoxy-​3-​pyridinyl)​-​1-​piperazinecarboxylic Acid... Stable Isotopes CS-T-100058 Not Available 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-Benzyl-1-piperazineacetic Acid-d8 Hydrazide Stable Isotopes CS-T-102866 24632-70-0(Unlabelled) Enquire
4-Hydroxybenzylpiperazine-d4 Dihydrochloride Stable Isotopes CS-B-00251 75341-33-2(unlabeled freebase) Enquire
4-Methyl-2-phenyl-1-tosylpiperazine-d4 Stable Isotopes CS-T-102224 Not Available Enquire
Aripiprazole-d8 (piperazine-d8) Stable Isotopes CS-T-93678 1089115-06-9 Enquire
Benzyl 4-(6-Amino-2,2-dimethyl-4-(((trifluoromethyl)sulfonyl... Stable Isotopes CS-T-100789 2919702-27-3 Enquire
Cetirizine 1-[(4-Chlorophenyl)phenylmethyl]piperazine Amide-... Stable Isotopes CS-T-100673 Not Available Enquire
m-chlorophenylpiperazine D8 Stable Isotopes CS-EO-02377 1313393-63-3 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
N1,N4-bis(2,6-Dimethylphenyl)-1,4-piperazinediacetamide-D8 Stable Isotopes CS-F-00172 380204-72-8 (unlabelled) 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 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 ---- Enquire
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
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

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Homopiperazine API CS-T-26366 505-66-8 In Stock


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(9-Anthracenylmethyl)piperazine Metabolite CS-F-00002 126257-22-5 Enquire
2,2,14,14-tetramethyl-8-oxopentadecanedioic acid Piperazine ... Metabolite CS-O-52004 2802470-19-3 Enquire
Piperazine N, N-Desethyl Sildenafil Metabolite CS-O-46084 466684-88-8 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(+)-(2S,5R)-1-Allyl-2,5-dimethylpiperazine, (+)-Camphoric Ac... Impurity CS-T-47562 186094-00-8 Enquire
1-(1-Methylpiperidin-4-yl)piperazine Impurity CS-M-25498 23995-88-2 Enquire
1-(2-((2,4-Dimethylphenyl)thio)phenyl)-4-tosylpiperazine Impurity CS-O-54581 1643651-32-4 Enquire
1-(2-Methoxy-2-phenylethyl)piperazine Impurity CS-BL-00030 6722-54-9 Enquire
1-(3-Carboxypyrid-2-yl)-2-phenyl-4-methyl-piperazine HCl Impurity CS-O-56396 61338-13-4(Free salt) Enquire
1-(3-Methylphenyl)piperazine Impurity CS-M-25823 41186-03-2 Enquire
1-(6-(6-acetyl-8-cyclopentyl-5-methyl-7-oxo-7,8-dihydropyrid... Impurity CS-O-39717 Not Available Enquire
1-(Cyclobutylcarbonyl)piperazine hydrochloride Impurity CS-O-54124 1428443-87-1 Enquire
1,1-Dimethylethyl 4-[2-[(2,4-dimethylphenyl)thio]phenyl]-1-p... Impurity CS-O-51715 960203-42-3 Enquire
1,4-Dicyclopropanecarbonylpiperazine Impurity CS-O-52492 458535-34-7 Enquire
1,4-Di-tert-butyl piperazine-1,4-dicarboxylate Impurity CS-T-90502 76535-75-6 In Stock
1-benzhydryl-4-((4-chlorophenyl)(phenyl)methyl)piperazine Impurity CS-O-48909 Not Available Enquire
1-Ethyl-4-((6-((5-fluoro-4-(4-fluoro-1-isopropyl-2-methyl-1H... Impurity CS-O-55135 ---- Enquire
1-Methyl-2-phenylpiperazinedihydrochloride Impurity CS-M-08294 5271-28-3 Enquire
1-Methyl-4-piperidin-4-yl-piperazine (Brigatinib impurity) Impurity CS-M-43629 53617-36-0 Enquire
2,2'-(1,4-Piperazinediyl)bis[6,7-dimethoxy-4-quinazolinamine... Impurity CS-T-60613 102839-00-9 In Stock
3,6-Dimethylpiperazine-2,5-dione Impurity CS-ZG-38734 5625-46-7 Enquire
3,6-Methylene-2,5-piperazinedione Impurity CS-T-33773 15996-22-2 Enquire
4-(1-oxidobenzo[b]thiophen-4-yl)-1-(4-((2-oxo-1,2-dihydroqui... Impurity CS-O-35182 Not Available Enquire
4-(2,3-dichlorophenyl)piperazine-1-carbaldehyde Impurity CS-O-39457 1418125-57-1 In Stock
4-Methylpiperazine-1-yl-imino Rifamycin O Impurity CS-P-08830 Not Available Enquire
6-Hydroxy deshydroxyethylpiperazine Dasatinib Impurity CS-O-51483 Not Available Enquire
Acetyl 4-Chloro Benzhydryl Piperazine Impurity CS-EO-02215 802859-64-9 Enquire
Amoxicillin (2R)-Piperazine-2,5-dione Impurity CS-O-60208 210289-70-6 Enquire
Bosutinib 4-piperazine impurity Impurity CS-O-46074 Not Available In Stock
Cariprazine piperazine N-Oxide Urea impurity Impurity CS-O-57572 ---- Enquire
Cephalexin Diketopiperazine Impurity CS-T-10882 59865-11-1 Enquire
Cephalexin Diketopiperazine Formate salt Impurity CS-O-56377 59865-11-1 (Free acid) Enquire
Cephalexin Diketopiperazine Monoacid Impurity CS-T-50478 1323247-65-9 Enquire
Cetirizine 1-​[(4-​Chlorophenyl)​phenylmethyl]​piperazine Am... Impurity CS-O-40876 2724877-99-8 Enquire
Cycloserine Diketopiperazine Impurity CS-T-14073 1204-99-5 Enquire
delta4-Cephalexin Diketopiperazine Impurity CS-O-57944 65870-52-2 Enquire
Despiperazine chloro Enoxacin impurity Impurity CS-O-48713 79286-73-0 Enquire
Doxazosin Piperazine Impurity Impurity CS-O-45834 Not Available Enquire
Enalapril (R)Diketopiperazine methyl ester Impurity CS-O-43368 Not Available Enquire
Enalapril Diketopiperazine Acid Impurity CS-T-54042 115623-21-7 In Stock
Enalapril Diketopiperazine Acid (R-Isomer) Impurity CS-EO-02813 219677-80-2 Enquire
Ethyl 4-[1-oxo-3-(2-phenylhydrazinylidene)butyl]-1-piperazin... Impurity CS-O-50030 1415220-06-2 Enquire
Itraconazole Desethylene-seco-piperazine Di-N-formyl Impurit... Impurity CS-TB-77361 1199350-02-1 Enquire
Lurasidone Piperazine N-Oxide Impurity CS-T-93288 1574569-32-6 Enquire
Methylpiperazine Rifampin O Impurity CS-EO-00529 Not Available Enquire
N-(3,4-Dimethylphenyl)-4-[2-hydroxy-3-(2-methoxyphenoxy)prop... Impurity CS-O-39525 Not Available Enquire
N-(3-methylphenyl)-4-[2-hydroxy-3-(2-methoxyphenoxy)propyl]-... Impurity CS-O-39527 Not Available Enquire
N1,N4-Bis(4-nitrophenyl)-1,4-piperazinediacetamide Impurity CS-BX-02882 294193-70-7 In Stock
N-Acetylpiperazine-N'-(4-phenol) Ketoconazole Impurity CS-T-01039 1346598-39-7 Enquire
Nintedanib Piperazine Dimer Acetyl Impurity Impurity CS-O-56489 2410649-55-5 Enquire
Olaparib N-Boc-Piperazine Impurity CS-TA-79004 763114-04-1 Enquire
ortho-carbonyl piperazine Olaparib Analogue Impurity CS-O-47417 Not Available Enquire
Palbociclib Piperazine N-Oxide Impurity CS-P-01931 2174002-29-8 In Stock
Palbociclib piperazine-1-carboxylic acid Impurity CS-O-47038 Not Available Enquire
Perindopril Diketopiperazine Impurity CS-T-84845 129970-98-5 In Stock
Pidotimod (2S,5R)-3.6-diketopiperazine derivative Impurity CS-O-46195 325481-51-4 Enquire
Piperazine Hydrochloride Impurity CS-O-39372 6094-40-2 Enquire
Quinapril Diketopiperazine Impurity CS-T-61012 103733-49-9 In Stock
Ribociclib Succinate Piperazine amide impurity Impurity CS-O-49161 3056250-51-9 Enquire
S,S,S-diketopiperazine Impurity CS-O-33688 328385-86-0 In Stock
Tert-butyl 4-(2-aminopyridin-3-yl)piperazine-1-carboxylate Impurity CS-O-40317 1023594-49-1 Enquire
Trp-Pro-diketopiperazine Eptifibatide Impurity CS-O-14325 38136-70-8 Enquire
Vildagliptin Diketopiperazine Impurity CS-O-05593 1789703-36-1 In Stock
Vortioxetine Despiperazine hydrobromide Impurity CS-O-50929 2170362-58-8 Enquire
Zavegepant Piperazine Dimer impurity Impurity CS-O-60615 ---- Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-1-[(4-Chlorophenyl)phenylmethyl]piperazine Intermediate CS-T-12409 300543-56-0 Enquire
1-(3-Carboxy-2-pyridyl)-4-methyl-2-phenylpiperazine Intermediate CS-T-10477 61338-13-4 In Stock
1-(3-Methoxyphenyl)-Piperazine monohydrochloride Intermediate CS-O-48637 16015-70-6 In Stock
1-(Cyclopropylcarbonyl)piperazine hydrochloride Intermediate CS-M-35612 1021298-67-8 In Stock
1,1-Dimethylethyl (2R)-2-(cyanomethyl)-1-piperazinecarboxyla... Intermediate CS-O-49935 2387560-41-8 Enquire
1,1-Dimethylethyl (2S)-2-[(1S)-1-hydroxyethyl]-1-piperazinec... Intermediate CS-O-50085 1932146-94-5 Enquire
1,1-Dimethylethyl 2-(1-hydroxy-1-methylethyl)-1-piperazineca... Intermediate CS-O-50082 1263316-20-6 Enquire
1-Benzo[1,3]dioxol-5-ylmethyl-piperazine Intermediate CS-M-23173 32231-06-4 In Stock
1-Phenylpiperazine Intermediate CS-M-57456 92-54-6 In Stock
N-(2,6-Dimethylphenyl)-1-piperazineacetamide Intermediate CS-O-31488 5294-61-1 In Stock
N-(2-Hydroxyethyl)piperazine Intermediate CS-M-57750 103-76-4 In Stock
N,4-Bis[2-(2-aminoethoxy)ethyl]-1-piperazineethanamine Intermediate CS-ED-42258 2344685-60-3 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-1-Boc-2-propyl-piperazine Fine Chemicals CS-O-49940 1212252-88-4 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 ---- Enquire
1-(2,5-dichlorophenyl)piperazine hydrochloride Fine Chemicals CS-O-53763 119438-13-0 Enquire
1-(3-Bromophenyl)-4-(3-chloropropyl)piperazine Fine Chemicals CS-O-50305 328410-01-1 In Stock
1-(3-Chloro-2-methylphenyl)piperazine hydrochloride Fine Chemicals CS-ED-41881 796856-42-3 Enquire
1-(4-Bromophenyl)piperazine Fine Chemicals CS-AC-04200 66698-28-0 In Stock
1-(6-Nitropyridin-3-yl)piperazine hydrochloride Fine Chemicals CS-ED-02234 1221726-34-6 In Stock
1-(Cyclopropylcarbonyl)piperazine Fine Chemicals B020377-25GM 59878-57-8 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-Bis[(tetrahydro-2-furanyl)carbonyl]-piperazine Fine Chemicals CS-T-68397 547730-06-3 Enquire
1-benzyl 4-tert-butyl 2-methyl piperazine-1,2,4-tricarboxyla... Fine Chemicals CS-O-39668 126937-42-6 Enquire
1-Methylpiperazine Fine Chemicals CS-T-58589 109-01-3 In Stock
2,6-Dimethylpiperazine Fine Chemicals CS-T-20510 108-49-6 In Stock
4-Benzhydryl-1-piperazineethanol Fine Chemicals CS-O-33164 10527-64-7 Enquire
5,5'-(piperazine-2,5-diyl)bis(2-hydroxybenzamide) Fine Chemicals CS-O-38320 2517940-02-0 Enquire
Benzyl (R)-2-(cyanomethyl)-3-oxopiperazine-1-carboxylate Fine Chemicals CS-O-40572 Not Available Enquire
Benzyl (R)-2-(cyanomethyl)piperazine-1-carboxylate Fine Chemicals CS-O-40682 2306255-32-1 Enquire
Benzyl (S)-2-(cyanomethyl)-3-oxopiperazine-1-carboxylate Fine Chemicals CS-O-40571 Not Available Enquire
Benzyl (S)-2-(Cyanomethyl)piperazine-1-carboxylate Fine Chemicals CS-T-94136 2158302-01-1 Enquire
Benzyl (Z)-2-(cyanomethylene)-3-oxopiperazine-1-carboxylate Fine Chemicals CS-O-40570 Not Available Enquire
Benzyl (Z)-2-(cyanomethylene)piperazine-1-carboxylate Fine Chemicals CS-O-40569 Not Available Enquire
Benzyl-2-(cyanomethylene)-3-oxopiperazine-1-carboxylate Fine Chemicals CS-O-40610 Not Available Enquire
Benzyl-2-(cyanomethylene)piperazine-1-carboxylate Fine Chemicals CS-O-40609 Not Available Enquire
N-(2,4-Dichlorophenyl)piperazine Fine Chemicals CS-O-60974 1013-78-1 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


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(3-(2-methoxy-5-nitrophenoxy)propyl)-4-nitrosopiperazine Nitrosamine CS-O-53957 ---- Enquire
1-(3-Methoxyphenyl)-4-nitrosopiperazine Nitrosamine CS-ED-42186 2763779-41-3 In Stock
1-(4-bromo-2-((2,4-dimethylphenyl)thio)phenyl)-4-nitrosopipe... Nitrosamine CS-O-48937 Not Available Enquire
1-(4-chlorophenyl)-4-nitrosopiperazine Nitrosamine CS-O-53192 873395-52-9 In Stock
1-Acetyl-4-nitrosopiperazine Nitrosamine CS-EO-03243 73742-56-0 In Stock
1-Benzo[1,3]dioxol-5-ylmethyl-4-Nitroso piperazine Nitrosamine CS-O-52331 Not Available In Stock
1-Benzyl-4-nitrosopiperazine Nitrosamine CS-T-05844 40675-45-4 In Stock
1-Cyclopentyl-4-nitrosopiperazine Nitrosamine CS-ED-01323 61379-66-6 In Stock
1-cyclopropylmethyl-4-nitrosopiperazine Nitrosamine CS-O-47823 Not Available In Stock
1-Ethyl-4-nitrosopiperazine Nitrosamine CS-ED-01202 65504-33-8 In Stock
1-methyl-4-(1-nitrosohexahydropyridine-4-yl)piperazine Nitrosamine CS-O-57939 2089333-01-5 In Stock
1-Nitroso-4-phenylpiperazine Nitrosamine CS-T-59643 14340-33-1 In Stock
2-Methyl-1,4-dinitrosopiperazine Nitrosamine CS-EO-03251 55556-94-0 In Stock
2-methyl-1-nitrosopiperazine Nitrosamine CS-O-44469 1172850-85-9 Enquire
4-(4-nitrosopiperazine-1-yl)phenol Nitrosamine CS-O-51223 Not Available Enquire
Cefalexin Nitroso Diketopiperazine Nitrosamine CS-O-53647 ---- Enquire
Cefalexin Nitroso Diketopiperazine Monoacid Nitrosamine CS-O-53648 ---- Enquire
N-Methyl-N’-nitrosopiperazine Nitrosamine CS-T-81242 16339-07-4 In Stock
N-nitroso (R)-1-[(4-Chlorophenyl)phenylmethyl]piperazine Nitrosamine CS-SN-00119 Not Available In Stock
N-Nitroso 1-(3-Chlorobenzhydryl) piperazine Nitrosamine CS-BX-02746 1706351-82-7 In Stock
N-Nitroso Avatrombopag imp (1-cyclohexyl-4-nitrosopiperazine... Nitrosamine CS-O-58883 ---- Enquire
N-Nitroso Brexpiprazole piperazine intermediate Nitrosamine CS-O-46062 2639426-95-0 In Stock
N-Nitroso-N′-carbethoxypiperazine Nitrosamine CS-O-50089 13256-15-0 In Stock
N-Nitrosopiperazine Nitrosamine CS-T-37282 5632-47-3 In Stock
N-Nitrosopiperazine L-5 methyltetrahydrofolate calcium Nitrosamine CS-EO-02667 Not Available Enquire
N-nitrosopiperazine Palbociclib Nitrosamine CS-O-37587 ---- In Stock
Tert-butyl 4-nitrosopiperazine-1-carboxylate Nitrosamine CS-ED-02048 877177-42-9 In Stock


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(±)-2-Methylpiperazine-2,3,3,5,5,6,6-d7 Stable Isotope Reagent CS-C-02121 1219802-98-8 Enquire
1-(Ethyl-d5)piperazine Stable Isotope Reagent CS-O-60141 246817-21-9 Enquire
1-Cyclopentyl-4-nitrosopiperazine-D8 Stable Isotope Reagent CS-O-45510 Not Available Enquire
1-Cyclopentyl-4-Nitrosopiperazine-d9 Stable Isotope Reagent CS-O-45509 Not Available In Stock
1-Isopropyl-d7-piperazine Stable Isotope Reagent CS-C-01636 2089679-76-3 Enquire
1-Methyl-4-nitrosopiperazine-D8 Stable Isotope Reagent CS-O-45508 Not Available Enquire
2-Oxopiperazine-3,3,5,5,6,6-d6 Stable Isotope Reagent CS-C-01651 1219803-71-0 Enquire
Ethyl 1-Piperazine-d8-acetate 2HCl Stable Isotope Reagent CS-C-01965 Not Available Enquire
N-methyl-d3-homopiperazine Stable Isotope Reagent CS-C-02111 2488857-81-2 Enquire
N-Methyl-d3-piperazine-2,2,3,3,5,5,6,6-d8 Stable Isotope Reagent CS-C-02120 1319723-22-2 Enquire
Piperazine-d8 Stable Isotope Reagent CS-O-30499 134628-42-5 In Stock


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Imatinib (Piperazine)-N1-Oxide Therapeutic CS-O-31118 938082-57-6 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Cyclopentyl-4-nitrosopiperazine Analytical Standard CS-ED-01323-10MG 61379-66-6 Enquire
1-cyclopentyl-4-nitroso-piperazine (CPNP)-100 PPM in Acetoni... Analytical Standard CS-ED-01323-1.5ML 61379-66-6 Enquire
1-methyl-4-nitrosopiperazine (MNP)-100 PPM in Acetonitrile Analytical Standard CS-T-81242-1.5ML 16339-07-4 Enquire
N-Methyl-N’-nitrosopiperazine Analytical Standard CS-T-81242-10MG 16339-07-4 Enquire


Fluorinated Compounds

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(Trifluoromethyl)piperazine Fluorinated Compounds CS-O-58076 131922-05-9 Enquire


Heterocyclic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-Phenylpiperazine Heterocyclic CS-EL-24726 5271-26-1 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
1,1-Dimethylethyl 4-cyano-1-piperazinecarboxylate Building Blocks CS-O-48974 113534-02-4 In Stock
1,4-Diethylpiperazine Building Blocks CS-O-41792 6483-50-7 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
2-(trifluoromethyl)piperazine Building Blocks CS-DV-01165 131922-05-9 Enquire
4-Methyl-1-piperazinecarbonyl chloride hydrochloride Building Blocks CS-T-96063 55112-42-0 Enquire
N,N-dimethylpiperazine-1-carboxamide Building Blocks CS-O-48410 41340-78-7 Enquire
Piperazine hydrate Building Blocks CS-ED-41720 16832-43-2 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-​(METHYL-​D3)​PIPERAZINE 2HCL Deuterated Reagents CS-O-42051 2043778-87-4 In Stock
1-[3-(Methoxy-d3)phenyl]piperazine Deuterated Reagents CS-O-48068 1961287-54-6 Enquire
1-[4-BROMOPHENYL)-4-(METHYL-D3)PIPERAZINE Deuterated Reagents CS-O-42432 2140327-15-5 Enquire
N-Methylpiperazine D8 Deuterated Reagents CS-O-16257 917358-65-7 Enquire


MISCELLANEOUS

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bis-(DiethylaminohydroxybenzoylBenzoyl)Piperazine MISCELLANEOUS CS-O-60865 919803-06-8 Enquire