3-Amino-4-carboxamidopyrazole hemisulfate (CAS No: 27511-79-1) is a key pharmaceutical intermediate used in the synthesis of APIs Allopurinol. This compound serves as an essential raw material in API development and synthesis. Explore detailed chemical properties, molecular data, structure information, and verified global suppliers, manufacturers, and distributors of this API intermediate on apicule.
Alternate Names: 5-Aminopyrazole-4-carboxamide hemisulphate, 1H-Pyrazole-4-carboxamide, 3-amino-, sulfate (2:1)
CAS No: 27511-79-1
PubChem CID: 2723907
Mol Formula: C8H14N8O6S
Mol Weight: 350.32 g/mol
Used in API: Allopurinol
IUPAC Name: bis(5-amino-1H-pyrazole-4-carboxamide);sulfuric acid
API Intermediate Description: 3-Amino-4-carboxamidopyrazole hemisulfate is primarily used as a crucial pharmaceutical intermediate, especially in the synthesis of the gout medication Allopurinol (an impurity of which it also serves as a standard) and other pyrazole-based drugs like cyclin-dependent kinase inhibitors, acting as a building block for complex heterocyclic compounds in drug discovery.