The CAS register number of 4-Amino-2-mercaptopyrimidine-5-carbonitrile is 16462-26-3. It also can be called as 5-Pyrimidinecarbonitrile,6-amino-1,2-dihydro-2-thioxo- and the IUPAC name about this chemical is 6-amino-2-sulfanylidene-1H-pyrimidine-5-carbonitrile. The molecular formula about this chemical is C₅H₄N₄S and molecular weight is 152.18.

Physical properties about 4-Amino-2-mercaptopyrimidine-5-carbonitrile are: (1)ACD/LogP: -2.84; (2)ACD/LogD (pH 5.5): -4.47; (3)ACD/LogD (pH 7.4): -5; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 4; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 1; (11)Polar Surface Area: 74.72Ų; (12)Index of Refraction: 1.78; (13)Molar Refractivity: 40.29 cm³; (14)Molar Volume: 96 cm³; (15)Polarizability: 15.97x10^-24cm³; (16)Surface Tension: 67.5 dyne/cm; (17)Enthalpy of Vaporization: 57.25 kJ/mol; (18)Boiling Point: 330 °C at 760 mmHg; (19)Vapour Pressure: 0.000172 mmHg at 25°C.

Preparation: this chemical can be prepared by Bis(4-amino-5-cyano-pyrimidin-2-yl)disulfid. This reaction will need reagent aq. Na₂S at 90 - 100 ℃. The yield is about 69%.

You can still convert the following datas into molecular structure:
(1)SMILES: S=C1/N=C\C(\C#N)=C(\N)N1
(2)InChI: InChI=1/C5H4N4S/c6-1-3-2-8-5(10)9-4(3)7/h2H,(H3,7,8,9,10)
(3)InChIKey: WCGUHTXQXJRNRJ-UHFFFAOYAS
(4)Std. InChI: InChI=1S/C5H4N4S/c6-1-3-2-8-5(10)9-4(3)7/h2H,(H3,7,8,9,10)
(5)Std. InChIKey: WCGUHTXQXJRNRJ-UHFFFAOYSA-N