The CAS register number of 1,3,4-Thiadiazole-2-carboxylicacid is 499770-97-7. The molecular formula about this chemical is C₃H₂N₂O₂S and the molecular weight is 130.12518.

Physical properties about 1,3,4-Thiadiazole-2-carboxylicacid are: (1)ACD/LogP: -0.05; (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: 4; (7)#H bond donors: 1; (8)#Freely Rotating Bonds: 1; (9)Polar Surface Area: 91.32 Å²; (10)Index of Refraction: 1.631; (11)Molar Refractivity: 27.75 cm³; (12)Molar Volume: 77.89 cm³; (13)Polarizability: 11.001x10^-24cm³; (14)Surface Tension: 91.434 dyne/cm; (15)Density: 1.671 g/cm³; (16)Flash Point: 154.008 °C; (17)Enthalpy of Vaporization: 60.555 kJ/mol; (18)Boiling Point: 331.04 °C at 760 mmHg.

You can still convert the following datas into molecular structure:
(1)SMILES: OC(=O)c1nncs1
(2)InChI: InChI=1/C3H2N2O2S/c6-3(7)2-5-4-1-8-2/h1H,(H,6,7)
(3)InChIKey: DERHNSJVDWFDKZ-UHFFFAOYAX
(4)Std. InChI: InChI=1S/C3H2N2O2S/c6-3(7)2-5-4-1-8-2/h1H,(H,6,7)
(5)Std. InChIKey: DERHNSJVDWFDKZ-UHFFFAOYSA-N