5-Methyl-4-Nitroso-1,2-Dihydro-3H-Pyrazol-3-One
[CAS# 147738-81-6]

Identification

• Name: 5-Methyl-4-Nitroso-1,2-Dihydro-3H-Pyrazol-3-One
• Synonyms: 3-Methyl-4-oximido-2-pyrazolin-5-one; 5-methyl-4-nitroso-1H-pyrazol-3-ol; NSC243528
• Molecular Formula: C₄H₅N₃O₂
• Molecular Weight: 127.10
• CAS Registry Number: 147738-81-6
• SMILES: O=C1C(\N=O)=C(/NN1)C
• InChI: 1S/C4H5N3O2/c1-2-3(7-9)4(8)6-5-2/h1H3,(H2,5,6,8)
• InChIKey: CIKULXAROZVBEF-UHFFFAOYSA-N

Properties

• Density: 1.673g/cm³ (Cal.)
• Refractive index: 1.692 (Cal.)