1-Methyl-1H-1,2,4-triazole-5-carbaldehyde

1-甲基-1H-1,2,4-三唑-5-甲醛

Also known as: 2-Methyl-2H-[1,2,4]triazole-3-carbaldehyde, 2-methyl-2H-1,2,4-triazole-3-carbaldehyde, 1-methyl-1H-1,2,4-triazole-5-carboxaldehyde, 1H-1,2,4-Triazole-5-carboxaldehyde, 1-methyl-

1-Methyl-1H-1,2,4-triazole-5-carbaldehyde (CAS 99651-37-3) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C4H5N3O and a molecular weight of 111.10200 g/mol. It is also known as 2-Methyl-2H-[1,2,4]triazole-3-carbaldehyde, 2-methyl-2H-1,2,4-triazole-3-carbaldehyde and 1-methyl-1H-1,2,4-triazole-5-carboxaldehyde. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 99651-37-3
Jingsj CID: J-1522690-5
Molecular Formula: C₄H₅N₃O
Chinese Name: 1-甲基-1H-1,2,4-三唑-5-甲醛
Molecular Weight: 111.10200 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Frequently Asked Questions

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

The CAS number of 1-Methyl-1H-1,2,4-triazole-5-carbaldehyde is 99651-37-3.

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

1-Methyl-1H-1,2,4-triazole-5-carbaldehyde has molecular formula C4H5N3O and molecular weight 111.10200 g/mol.

Data compiled from public chemical databases 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-carbaldehyde (CAS 99651-37-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522690-5 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.