The CAS register number of 4(3H)-Pyrimidinone,5-amino-6-hydroxy- is 69340-97-2. It also can be called as 4,6-Pyrimidinediol, 5-amino- and the systematic name about this chemical is 5-amino-6-hydroxypyrimidin-4(3H)-one. The molecular formula about this chemical is C₄H₅N₃O₂ and the molecular weight is 127.1. It belongs to the Pyrimidine.

Physical properties about 4(3H)-Pyrimidinone,5-amino-6-hydroxy- are: (1)ACD/LogP: -3.04; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 1; (5)ACD/KOC (pH 7.4): 1; (6)#H bond acceptors: 5; (7)#H bond donors: 4; (8)#Freely Rotating Bonds: 2; (9)Polar Surface Area: 45.14 Å²; (10)Index of Refraction: 1.752; (11)Molar Refractivity: 28.15 cm³; (12)Molar Volume: 68.9 cm³; (13)Polarizability: 11.16X10^-24cm³; (14)Surface Tension: 89.4 dyne/cm; (15)Enthalpy of Vaporization: 66.08 kJ/mol; (16)Boiling Point: 387 °C at 760 mmHg; (17)Vapour Pressure: 1.53E-06 mmHg at 25°C.

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, gloves and eye/face protection. 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=C1C(/N)=C(/O)\N=C/N1
(2)InChI: InChI=1/C4H5N3O2/c5-2-3(8)6-1-7-4(2)9/h1H,5H2,(H2,6,7,8,9)
(3)InChIKey: YKHPWCZPESTMRF-UHFFFAOYAU
(4)Std. InChI: InChI=1S/C4H5N3O2/c5-2-3(8)6-1-7-4(2)9/h1H,5H2,(H2,6,7,8,9)
(5)Std. InChIKey: YKHPWCZPESTMRF-UHFFFAOYSA-N