Molecular Structure of 2,5,6-Triaminopyrimidin-4-ol sulphate (CAS NO.1603-02-7):

IUPAC Name: sulfuric acid; 2,5,6-triamino-1H-pyrimidin-4-one 
Empirical Formula: C₄H₉N₅O₅S
Molecular Weight: 239.2098
ACD/BCF (pH 5.5): 1
ACD/BCF (pH 7.4): 1
ACD/KOC (pH 5.5): 1
ACD/KOC (pH 7.4): 1
H bond acceptors: 6
H bond donors: 7
Freely Rotating Bonds: 2
Polar Surface Area: 42.39 Å²
Flash Point: 121.3 °C
Enthalpy of Vaporization: 51.55 kJ/mol
Boiling Point: 277 °C at 760 mmHg
Vapour Pressure: 0.00465 mmHg at 25°C
EINECS: 216-500-9
Melting point: >300°C
BRN: 4621048
Product Categories: Fine chemical & intermediates; Pyridines, Pyrimidines, Purines and Pteredines
InChI
InChI=1/C4H7N5O4S/c5-1-2(6)8-4(7)9-3(1)13-14(10,11)12/h5H2,(H,10,11,12)(H4,6,7,8,9)
Smiles
S(Oc1c(c(nc(n1)N)N)N)(O)(=O)=O

Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-37-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S37:Wear suitable gloves. 
S36:Wear suitable protective clothing.
RTECS: UW7175000

  2,5,6-Triaminopyrimidin-4-ol sulphate , with CAS number of 1603-02-7, can be called 2,5,6-Triamino-4(1H)-pyrimidinone sulfate (1:1) ; 2,5,6-Triaminopyrimidin-4(1H)-one sulfate (1:1) ; 4(1H)-Pyrimidinone, 2,5,6-triamino-, sulfate ; 4(1H)-pyrimidinone, 2,5,6-triamino-, sulfate (1:1) ; 4-pyrimidinol, 2,5,6-triamino-, sulfate (1:1) (salt) ; 4-Pyrimidinol, 2,5,6-triamino-, monosulfate . It is a yellow powder.