1-Methyl-1H-1,2,4-triazole-5-carboxylic acid

Also known as: 1-methyl-1,2,4-triazole-5-carboxylic acid, 2-methyl-1,2,4-triazole-3-carboxylic acid, 2-methyl-2H-1,2,4-triazole-3-carboxylic acid, 1-Methyl-1H-1,2,4-triazole-5-carboxylic acid (ACI), 1H-1,2,4-Triazole-5-carboxylic acid, 1-methyl-

1-Methyl-1H-1,2,4-triazole-5-carboxylic acid (CAS 815588-93-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O2 and a molecular weight of 127.10100 g/mol. Key property: a boiling point of 369.5±25.0°C at 760 mmHg. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 815588-93-3
Jingsj CID: J-1016967-2
Molecular Formula: C₄H₅N₃O₂
Molecular Weight: 127.10100 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	369.5±25.0°C at 760 mmHg
Exact Mass	127.03800
PSA	68.01000

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 1-Methyl-1H-1,2,4-triazole-5-carboxylic acid?

The CAS number of 1-Methyl-1H-1,2,4-triazole-5-carboxylic acid is 815588-93-3.

What are the molecular formula and molecular weight of 1-Methyl-1H-1,2,4-triazole-5-carboxylic acid?

1-Methyl-1H-1,2,4-triazole-5-carboxylic acid has molecular formula C4H5N3O2 and molecular weight 127.10100 g/mol.

What are the upstream and downstream products of 1-Methyl-1H-1,2,4-triazole-5-carboxylic acid?

For 1-Methyl-1H-1,2,4-triazole-5-carboxylic acid, Upstream Products: 1-Methyl-1,2,4-triazole, Carbon dioxide.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "1-Methyl-1H-1,2,4-triazole-5-carboxylic acid (CAS 815588-93-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1016967-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.