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

Papaverine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
6-Demethyl Papaverine-d3 Stable Isotopes CS-T-103197 1246815-25-7 Enquire
Papaverine d6 Stable Isotopes CS-A-00165 2182752-90-3 Enquire
Papaverine-d3 Hydrochloride Stable Isotopes CS-T-60145 1286455-40-0 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Papaverine API CS-O-02146 58-74-2 In Stock
Papaverine Hydrochloride API CS-O-11704 61-25-6 In Stock


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4',6-Di-O-desmethylpapaverine Impurity CS-B-00360 57170-09-9 Enquire
(R)-(+)-Tetrahydropapaverine Impurity CS-DG-00009 50896-90-7 Enquire
4,6-Didemethyl Papaverine Impurity CS-T-52728 57170-09-9 Enquire
Dihydropapaverine HCl Impurity CS-DG-00007 6957-27-3 Enquire
Papaverine Impurity B Impurity CS-P-01938 482-76-8 Enquire
Papaverine Impurity C Impurity CS-P-01939 Not Available Enquire
Papaverine Impurity D Impurity CS-P-01940 522-57-6 Enquire
Papaverine Impurity E Impurity CS-P-01941 13074-31-2 Enquire
Papaverine Impurity F Impurity CS-P-01942 139-76-4 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(R)-Tetrahydropapaverine hydrochloride Intermediate CS-T-37461 54417-53-7 In Stock
R-Tetrahydropapaverine N-acetyl-L-leucinate Intermediate CS-O-32186 141109-12-8 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-Nitroso (R)-Tetrahydropapaverine(Mixture of Isomers) Nitrosamine CS-O-57082 Not Available In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Papaverine hydrochloride Secondary Standards CS-SS-24216-500MG 61-25-6 Enquire