The 7-Amino-3-methylphthalide, with the CAS registry number 148843-77-0, is also known as 1(3H)-Isobenzofuranone, 7-amino-3-methyl-. This chemical's molecular formula is C₉H₉NO₂ and molecular weight is 163.1733. Its systematic name is called 7-amino-3-methyl-2-benzofuran-1(3H)-one.

Physical properties of 7-Amino-3-methylphthalide: (1)ACD/LogP: 1.32; (2)#H bond acceptors: 3; (3)#H bond donors: 2; (4)#Freely Rotating Bonds: 1; (5)Index of Refraction: 1.61; (6)Molar Refractivity: 44.49 cm³; (7)Molar Volume: 128.3 cm³; (8)Surface Tension: 51.5 dyne/cm; (9)Density: 1.271 g/cm³; (10)Flash Point: 195.7 °C; (11)Enthalpy of Vaporization: 59.52 kJ/mol; (12)Boiling Point: 350.6 °C at 760 mmHg; (13)Vapour Pressure: 4.35E-05 mmHg at 25°C.

Preparation of 7-Amino-3-methylphthalide: this chemical can be prepared by 7-Amino-3-hydroxy-3-methyl-phthalid. This reaction will need reagents NaBH₄, NaOH and solvent H₂O. The reaction time is 1 hour. The yield is about 80.9%.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OC(c2cccc(c12)N)C
(2)InChI: InChI=1/C9H9NO2/c1-5-6-3-2-4-7(10)8(6)9(11)12-5/h2-5H,10H2,1H3
(3)InChIKey: JIOGJHYMEJMJOO-UHFFFAOYAO