The CAS register number of 2(1H)-Quinolinone,7-hydroxy-4-methyl- is 20513-71-7. It also can be called as 4-methylquinoline-2,7-diol and the IUPAC name about this chemical is 7-hydroxy-4-methyl-1H-quinolin-2-one. The molecular formula about this chemical is C₁₀H₉NO₂ and the molecular weight is 175.18.

Physical properties about 2(1H)-Quinolinone,7-hydroxy-4-methyl- are: (1)ACD/LogP: 1.71; (2)ACD/LogD (pH 5.5): 1.71; (3)ACD/LogD (pH 7.4): 1.71; (4)ACD/BCF (pH 5.5): 11.82; (5)ACD/BCF (pH 7.4): 11.72; (6)ACD/KOC (pH 5.5): 203.85; (7)ACD/KOC (pH 7.4): 202.17; (8)#H bond acceptors: 3; (9)#H bond donors: 2; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 29.54Ų; (12)Index of Refraction: 1.611; (13)Molar Refractivity: 48.09 cm³; (14)Molar Volume: 138.5 cm³; (15)Polarizability: 19.06x10^-24cm³; (16)Surface Tension: 48.2 dyne/cm; (17)Flash Point: 206.5 °C; (18)Enthalpy of Vaporization: 69.73 kJ/mol; (19)Boiling Point: 417.8 °C at 760 mmHg; (20)Vapour Pressure: 1.42E-07 mmHg at 25°C.

Preparation: this chemical can be prepared by 7-hydroxy-4-methyl-chromen-2-one at heating. This reaction is a kind of Substitution. It will need reagent AcNH₄ and AcOH. The reaction time is 3 hour(s). The yield is about 65%.

Uses of 2(1H)-Quinolinone,7-hydroxy-4-methyl-: it can be used to produce 4-methyl-7-(1-methyl-2-oxo-propoxy)-1H-quinolin-2-one with 3-chloro-butan-2-one at heating. This reaction will need reagent K₂CO₃ and solvent acetone with reaction time of 40 hours. The yield is about 45%.

When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes, respiratory system and skin. When you are using it, wear suitable protective clothing. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C2/C=C(\c1c(cc(O)cc1)N2)C
(2)InChI: InChI=1/C10H9NO2/c1-6-4-10(13)11-9-5-7(12)2-3-8(6)9/h2-5,12H,1H3,(H,11,13)
(3)InChIKey: MYEVEFULPUKTSZ-UHFFFAOYAH
(4)Std. InChI: InChI=1S/C10H9NO2/c1-6-4-10(13)11-9-5-7(12)2-3-8(6)9/h2-5,12H,1H3,(H,11,13)
(5)Std. InChIKey: MYEVEFULPUKTSZ-UHFFFAOYSA-N