| An impurity for the drug Hydralazine. Synonyms: 1,2,4-Triazolo[3,4-a]phthalazine, NSC 116341 CAS Number: 234-80-0 Molecular Formula: C9H6N4 Molecular Weight: 170.17 Purity (HPLC): 95% Appearance: White to pale yellow solid Solubility: Methanol (Slightly), DMSO (Slightly) Method for Determining Identity: Proton NMR Spectroscopic and Mass Spectrometric Analysis Conforms to Structure Melting Point: 192-194C (lit) Elemental Analysis: Calculated: %C: 63.52, %H: 3.55, %N: 32.92 Storage and Stability: Powder is stable for 6 months after receipt at 4C. For maximum recovery of product, centrifuge the original vial prior to removing the cap. |
