Back to Search

Methyl 1H-1,2,4-Triazole-5-Carboxylate

CAS: 4928-88-5 | C4H5N3O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 4928-88-5
Molecular Formula: C4H5N3O2
Molecular Weight: 127.10300000000001 g/mol

Names and Synonyms:

Methyl 1H-1,2,4-Triazole-5-Carboxylate
Methyl 1-[1,2,4]triazole-3-carboxylate
Methyl 1H-1,2,4-triazole-3-carboxylate
3-Methoxycarbonyl-1,2,4-triazole
Methyl 1,2,4-triazole-3-carboxylate
Methyl 1H-1,2,4-triazole-5-carboxylate
1H-1,2,4-Triazole-3-carboxylic acid, methyl ester
s-Triazole-3-carboxylic acid, methyl ester
1H-1,2,4-Triazole-5-carboxylic acid, methyl ester

Identifiers:

SMILES:
COC(=O)c1nc[nH]n1
InChI:
InChI=1S/C4H5N3O2/c1-9-4(8)3-5-2-6-7-3/h2H,1H3,(H,5,6,7)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Physical Properties

Property Value Source
molecular_mass 127.10 g/mol Legacy Database
cas-canonical-smile O=C(OC)C1=NN=CN1 None Legacy Database
cas-inchi InChI=1S/C4H5N3O2/c1-9-4(8)3-5-2-6-7-3/h2H,1H3,(H,5,6,7) None Legacy Database
cas-inchi-key InChIKey=QMPFMODFBNEYJH-UHFFFAOYSA-N None Legacy Database
cas-melting-point 198 °C (decomp) None Legacy Database
cas-name Methyl 1H-1,2,4-triazole-5-carboxylate None Legacy Database
LogP -0.4087 RDKit

Molecular

Property Value Source
Molecular Weight 127.10300000000001 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 127.0381764 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 9 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 4 count RDKit
Hydrogen Bond Donors 1 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 1 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 1 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 67.87 Ų RDKit

Molar

Property Value Source
Molar Refractivity 27.722199999999997 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close