CAS: 1086375-50-9 Chemical Name or Material: Pyrazolo[1,5-a]pyrimidine-5-carboxylic Acid Formula Weight: 163.0382 InChI Formula: InChI=1S/C7H5N3O2/c11-7(12)5-2-4-10-6(9-5)1-3-8-10/h1-4H,(H,11,12) IUPAC Name: pyrazolo[1,5-a]pyrimidine-5-carboxylic acid Molecular Formula: C7H5N3O2 Molecular Weight (g/mol): 163.13 Recommended Storage: -20°C SMILES: OC(=O)c1ccn2nccc2n1