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

Chlorpheniramine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Chlorpheniramine-D6 maleate salt Stable Isotopes CS-CX-00572 23095-76-3 (Unlabeled) Enquire
(S)-Chlorpheniramine-D6 maleate salt Stable Isotopes CS-CX-00571 2438-32-6 (unlabeled) Enquire
Chlorpheniramine D4 Stable Isotopes CS-BV-00013 132-22-9 Enquire
Chlorpheniramine D6 Stable Isotopes CS-T-51081 1185054-60-7 Enquire
Chlorpheniramine Nitrile-d6 Stable Isotopes CS-T-72956 1329488-38-1 Enquire
Chlorpheniramine-d6 Maleate Stable Isotopes CS-O-06482 1219806-45-7 In Stock
Chlorpheniramine-d6 Maleate Salt Stable Isotopes CS-TA-98842 1219806-45-7 Enquire
Chlorpheniramine-d6 N-Oxide Dihydrochloride Stable Isotopes CS-T-98796 Not Available Enquire
N-Nitroso-N-Desmethyl Chlorpheniramine-d3 Stable Isotopes CS-O-41356 Not Available In Stock


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Chlorpheniramine Maleate API Standards CS-O-01160 113-92-8 In Stock
Dexchlorpheniramine Maleate API Standards CS-O-01285 2438-32-6 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Chlorpheniramine N-Oxide Metabolites CS-O-03621 142494-45-9 In Stock
Chlorpheniramine N-Oxide Metabolites CS-P-07525 120244-82-8 Enquire
Desmethyl Chlorpheniramine Maleate Salt Metabolites CS-T-52212 22630-25-7 In Stock


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Chlorpheniramine Maleate Salt Impurities CS-T-51083 23095-76-3 Enquire
(S)-Chlorpheniramine Impurities CS-DM-00028 Not Available Enquire
2-(4-Chlorophenyl)-2-(pyridin-2-yl)acetonitrile Impurities CS-O-46375 5005-37-8 Enquire
Chlorpheniramine EP Impurity D Impurities CS-O-15275 65676-21-3(freebase) In Stock
Chlorpheniramine Nitrile Impurities CS-T-72321 65676-21-3 In Stock
Chlorpheniramine N-oxide (Pyridine-N-oxide) Impurities CS-O-46378 78180-89-9 Enquire
Chlorpheniramine Related Compound C Impurities CS-O-56833 22630-25-7 Enquire
Dexchlorpheniramine Maleate EP Impurity B Impurities CS-P-06936 32188-09-3 Enquire
Dexchlorpheniramine n-Oxide Impurities CS-T-96042 142494-46-0 Enquire
Didesmethyl Chlorpheniramine Maleate Salt Impurities CS-T-52742 23052-94-0 Enquire
N-Desmethyl N-Nitroso Dexchlorpheniramine Impurities CS-O-46572 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Chlorpheniramine Fine Chemicals CS-O-33000 132-22-9 Enquire
Didesmethyl Chlorpheniramine Fine Chemicals CS-O-33808 20619-13-0 In Stock