Category
Allopurinol
CAS Number
22407-20-1
Molecular Formula
C₅H₆N₄O₂
Molecular Weight
154.13g/mol
Catalogue Number
MLS-ALP-RC-B
Synonym

3-(Formylamino)-1H-pyrazole-4-carboxamide; 5-(Formylamino)-1H-pyrazole-4-carboxamide

Keywords
Heterocycles
Intermediates
Fine Chemicals
Impurities
Impurities manufacturer and Suppliers in Hyderabad india
Allopurinol Related compound - B

Allopurinol USP Related Compound B (USP RC-B) (CAS No. 22407-20-1) is a high-purity pharmaceutical reference standard used for impurity profiling, method validation, stability studies, and quality control of allopurinol drug substances and formulations. With a molecular formula of C₅H₆N₄O₂ and a molecular weight of 154.13 g/mol, it serves as a critical analytical marker for regulatory testing and compliance with pharmacopeial requirements. Our batch-certified reference material is supplied with comprehensive analytical documentation, including COA, MS, ¹H-NMR, and HPLC purity data, ensuring reliable performance for pharmaceutical R&D, analytical development, and regulatory submissions. Manufactured by Manasa Life Sciences in Hyderabad, this reference standard meets stringent quality requirements for global pharmaceutical testing laboratories.