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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
Chlorpheniramine-d6 Maleate Stable Isotopes CS-O-06482 1219806-45-7 In Stock
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
(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-d4 Maleate Salt Stable Isotopes CS-T-95066 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Dexchlorpheniramine Maleate API CS-O-01285 2438-32-6 In Stock


Metabolite

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


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(4-Chlorophenyl)-2-(pyridin-2-yl)acetonitrile Impurity CS-O-46375 5005-37-8 Enquire
Chlorpheniramine EP Impurity D Impurity CS-O-15275 65676-21-3(freebase) In Stock
Chlorpheniramine Nitrile Impurity CS-T-72321 65676-21-3 In Stock
Chlorpheniramine N-oxide (Pyridine-N-oxide) Impurity CS-O-46378 78180-89-9 Enquire
Chlorpheniramine Related Compound C Impurity CS-O-56833 22630-25-7 Enquire
Dexchlorpheniramine n-Oxide Impurity CS-T-96042 142494-46-0 Enquire
(R)-Chlorpheniramine Maleate Salt Impurity CS-T-51083 23095-76-3 Enquire
(S)-Chlorpheniramine Impurity CS-DM-00028 Not Available Enquire
alpha-(4-Bromophenyl)-alpha-[2-(dimethylamino)ethyl]-2-pyrid... Impurity CS-O-40363 65676-22-4 Enquire
alpha-[2-(Dimethylamino)ethyl]-alpha-phenyl-2-pyridineaceton... Impurity CS-O-40364 71486-42-5 Enquire
Dexchlorpheniramine Maleate EP Impurity B Impurity CS-P-06936 32188-09-3 Enquire
Didesmethyl Chlorpheniramine Maleate Salt Impurity CS-T-52742 23052-94-0 Enquire


Fine Chemicals

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


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Desmethyl N-Nitroso Dexchlorpheniramine Nitrosamine CS-O-46572 Not Available Enquire
N-Nitroso N-Desmethyl-Chlorpheniramine Nitrosamine CS-O-39269 3036581-84-4 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Chlorpheniramine Secondary Standards CS-SS-26624 132-22-9 Enquire
Chlorpheniramine Impurity A Secondary Standards CS-SS-24930-50MG 1246816-57-8 Enquire
Chlorpheniramine Related Compound B Secondary Standards CS-SS-24609-200MG 1202-34-2 Enquire
Chlorpheniramine Related Compound C Secondary Standards CS-SS-24643-50MG 22630-25-7 Enquire
Dexchlorpheniramine Maleate Secondary Standards CS-SS-25556-500MG 2438-32-6 Enquire


Therapeutic

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Chlorpheniramine N-Oxide Therapeutic CS-P-07525 120244-82-8 In Stock


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Desmethyl N-Nitroso Dexchlorpheniramine Analytical Standard CS-O-46572-10MG Not Available Enquire
N-Nitroso N-Desmethyl-Chlorpheniramine Analytical Standard CS-O-39269-10MG 3036581-84-4 Enquire
N-nitroso-desmethyl-chlorpheniramine-100 PPM in Acetonitrile Analytical Standard CS-O-39269-1.5ML 3036581-84-4 Enquire
N-nitroso-desmethyl-dexchlorpheniramine-100 PPM in Acetonitr... Analytical Standard CS-O-46572-1.5ML Not Available Enquire