CAS: 25940-35-6 Molecular Formula: C7H5N3O2 Molecular Weight (g/mol): 163.14 MDL Number: MFCD01975194 InChI Key: HNYVPKNVKSTVJO-UHFFFAOYSA-N Synonym: pyrazolo 1,5-a pyrimidine-3-carboxylic acid,pyrazolo 1,5-a pyrimidine-3-carboxylicacid,3-carboxypyrazolo 1,5-a pyrimidine,8-hydropyrazolo 1,5-a pyrimidine-3-carboxylic acid,pubchem20936,acmc-1cbw6,3-pyrazolo 1,5-a pyrimidinecarboxylic acid PubChem CID: 1910189 IUPAC Name: pyrazolo[1,5-a]pyrimidine-3-carboxylic acid SMILES: OC(=O)C1=C2N=CC=CN2N=C1