The 1H-1,2,4-Triazole-5-carboxylicacid, methyl ester, with the CAS registry number 4928-88-5, has the systematic name of methyl 1H-1,2,4-triazole-5-carboxylate. It belongs to the following product categories: Aromatic Esters; Building Blocks; Heterocyclic Building Blocks; Triazoles. And the molecular formula of the chemical is C₄H₅N₃O₂.

The physical properties of 1H-1,2,4-Triazole-5-carboxylicacid, methyl ester are as followings: (1)ACD/LogP: -0.66; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -0.66; (4)ACD/LogD (pH 7.4): -0.77; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 10.34; (8)ACD/KOC (pH 7.4): 8.16; (9)#H bond acceptors: 5; (10)#H bond donors: 1; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 57.01 Å²; (13)Index of Refraction: 1.534; (14)Molar Refractivity: 28.64 cm³; (15)Molar Volume: 92 cm³; (16)Polarizability: 11.35×10^-24cm³; (17)Surface Tension: 63.5 dyne/cm; (18)Density: 1.38 g/cm³; (19)Flash Point: 125.5 °C; (20)Enthalpy of Vaporization: 52.29 kJ/mol; (21)Boiling Point: 283.9 °C at 760 mmHg; (22)Vapour Pressure: 0.00307 mmHg at 25°C. 

Uses of 1H-1,2,4-Triazole-5-carboxylicacid, methyl ester: It can react with 1,2-di-O-acetyl-5-O-benzoyl-3-deoxy-L-erythro-pentofuranose to produce methyl 1-(2-O-acetyl-5-O-benzoyl-3-deoxy-b-L-ribofuranosyl)-1,2,4-triazole-3-carboxylate. This reaction will need reagent bis(p-nitrophenyl)phosphate. The reaction time is 25 minutes with temperature of 77°C, and the yield is about 92%.   

You should be cautious while dealing with this chemical. It irritates to eyes, respiratory system and skin. Therefore, you had better take the following instructions: Wear suitable protective clothing, and in case of contacting 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=C(OC)c1ncnn1
(2)InChI: InChI=1/C4H5N3O2/c1-9-4(8)3-5-2-6-7-3/h2H,1H3,(H,5,6,7)
(3)InChIKey: QMPFMODFBNEYJH-UHFFFAOYAX