Molecular structure of 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one (CAS NO.179688-52-9) is:

Product Name: 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one
CAS Registry Number: 179688-52-9
Systematic Name: 6-hydroxy-7-methoxyquinazolin-4(3H)-one
Empirical Formula: C₉H₈N₂O₃
Molecular Weight: 192.1714
Index of Refraction: 1.659
Molar Refractivity: 47.937 cm³
Molar Volume: 130.046 cm³
Surface Tension: 55.373 dyne/cm
Density: 1.478 g/cm³
Flash Point: 258.198 °C
Enthalpy of Vaporization: 80.179 kJ/mol
Boiling Point: 503.319 °C at 760 mmHg 
Product Categories: API intermediates

 6-Hydroxy-7-methoxy-3,4-dihydroquinazolin-4-one , its cas register number is 179688-52-9. It also can be called 6-Hydroxy-7-methoxy-3H-quinazolin-4-one .