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

Cyclopentane Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,3S)-3-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclop... Stable Isotopes CS-T-100983 Not Available Enquire
(1S,2S,3R,5S)-3-(5-Amino-6-chloro-2-(propylthio)pyrimidin-4-... Stable Isotopes CS-T-100892 Not Available Enquire
(1S,2S,3R,5S)-3-[[3-[(1R,2S)-2-(3,4-Difluorophenyl)cycloprop... Stable Isotopes CS-T-100455 Not Available Enquire
(1S,2S,3R,5S)-3-[7-[[(1R,2S)-2-(2,3-difluorophenyl)cycloprop... Stable Isotopes CS-T-100450 Not Available Enquire
(1S,2S,3R,5S)-3-[7-[[(1R,2S)-2-(4-fluorophenyl)cyclopropyl]a... Stable Isotopes CS-T-100296 Not Available Enquire
1-[(4-Chlorophenyl)methyl]-3,3-dimethyl-2-oxocyclopentanecar... Stable Isotopes CS-T-102846 115851-50-8(Unlabelled) Enquire
1-[(4-Chlorophenyl)methyl]-3-methyl-2-oxocyclopentanecarboxy... Stable Isotopes CS-T-102848 Not Available Enquire
1-trans-2-cis-4-Trimethylcyclopentane-d3 Stable Isotopes CS-T-102003 Not Available Enquire
Beta-Oxocyclopentanepropanenitrile-d8 Stable Isotopes CS-O-60174 2469103-33-9 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,3S)-3-[2-Amino-6-(cyclopropylamino)-9H-purin-9-yl]cyclop... Impurity CS-T-65819 208762-35-0 In Stock
(1S,2S,3R,5S)-3-(5-Amino-6-chloro-2-(propylthio)pyrimidin-4-... Impurity CS-T-65978 1402150-32-6 In Stock
(1S,2S,3R,5S)-3-amino-5-(2-hydroxyethoxy)cyclopentane-1,2-di... Impurity CS-O-53563 1444301-60-3 Enquire
(1S,3S)-3-((tert-Butoxycarbonyl)amino)cyclopentanecarboxylic... Impurity CS-DV-00066 161601-29-2 Enquire
1-trans-2-cis-4-Trimethylcyclopentane Impurity CS-T-87440 16883-48-0 Enquire
3-(1H-Benzoimidazol-2-yl)-1,2,2-trimethyl-cyclopentanecarbox... Impurity CS-M-21645 1185300-27-9 Enquire
Ethyl 2-oxocyclopentanecarboxylate Impurity CS-M-25998 611-10-9 Enquire
trans-1,2-Dimethylcyclopentane Impurity CS-T-53442 822-50-4 Enquire
trans-1,3-Dimethylcyclopentane Impurity CS-T-53440 1759-58-6 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Amino cyclopentane nitrile HCl Intermediate CS-T-02263 16195-83-8 In Stock
Boc-trans-2-aminocyclopentanecarboxylic acid Intermediate CS-O-49661 136315-71-4 Enquire
Ethyl cyclopentanecarboxylate Intermediate CS-AB-02585 5453-85-0 In Stock
Methyl cyclopentanepropanoate Intermediate CS-ED-42219 4300-02-1 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(1R,2R)-2-hydroxycyclopentanecarboxylic acid Fine Chemicals CS-O-54441 1443511-34-9 Enquire
1,2-Cyclopentanedicarboxylic acid Fine Chemicals CS-ZH-11109 50483-99-3 Enquire
1,3-Dimethyl cyclopentane Fine Chemicals CS-O-37078 2453-00-1 Enquire
3-Hydroxycyclopentaneacetic acid Fine Chemicals CS-O-49943 102539-66-2 Enquire
Benzyl 3-oxocyclopentanecarboxylate Fine Chemicals CS-O-50194 130761-99-8 Enquire
Cyclopentane Fine Chemicals CS-DA-00197 287-92-3 In Stock
cyclopentane-1,2-dione Fine Chemicals CS-ZE-05067 3008-40-0 Enquire
Cyclopentanecarboxaldehyde Fine Chemicals CS-T-73149 872-53-7 Enquire
Ethylcyclopentane Fine Chemicals CS-DE-01548 1640-89-7 Enquire
Methyl 1-fluorocyclopentane-1-carboxylate Fine Chemicals CS-O-38031 1849313-42-3 Enquire
Trans-cyclopentane-1,2-diamine dihydrochloride Fine Chemicals CS-O-36747 99363-25-4 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Cyclopentanecarboxaldehyde D8 Stable Isotope Reagent CS-O-45361 2761352-69-4 Enquire
Cyclopentane-carboxylic acid methyl ester D8 Stable Isotope Reagent CS-O-52792 2469103-32-8 Enquire
Cyclopentanecarboxylic acid-d9 Stable Isotope Reagent CS-O-45354 1254047-34-1 In Stock
Cyclopentane-d9 Stable Isotope Reagent CS-C-01773 80862-68-6 Enquire
Methylcyclopentane-d12 Stable Isotope Reagent CS-C-02099 144120-51-4 Enquire


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(cyclopentylamino)cyclopentane-1-carbonitrile Building Blocks CS-O-45049 1018266-15-3 Enquire
1-pentyl-2-propyl-Cyclopentane Building Blocks CS-ED-01356 62199-51-3 Enquire
2-dodecanoylcyclopentanecarboxylic acid Building Blocks CS-O-47945 Not Available Enquire
3-Fluorocyclopentanecarboxylic Acid Building Blocks CS-TB-51978 1508595-64-9 Enquire


Deuterated Reagents

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Bromocyclopentane D9 Deuterated Reagents CS-C-00153 35468-44-1 In Stock