1-Methyl-1H-1,2,3-triazole-4-carbaldehyde

1-甲基-1H-1,2,3-三唑-4-甲醛

Also known as: 1-Methyl-1,2,3-triazole-4-carbaldehyde, 1-Methyl-1H-1,2,3-triazole-4-carboxaldehyde, 1-Methyl-1,2,3-triazole-4-carboxaldehyde, 1-methyl-1H-1,2,3-triazol-4-carbaldehyde, 1-methyltriazole-4-carbaldehyde, 1H-1,2,3-TRIAZOLE-4-CARBOXALDEHYDE,1-METHYL, 1-methyl-1,2,3-triazol-4-carboxaldehyde, 1-methyl-1,2,3-triazole-4-carboxaldehyde

1-Methyl-1H-1,2,3-triazole-4-carbaldehyde (CAS 16681-69-9) 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 1-Methyl-1,2,3-triazole-4-carbaldehyde, 1-Methyl-1H-1,2,3-triazole-4-carboxaldehyde and 1-Methyl-1,2,3-triazole-4-carboxaldehyde. Key properties include a boiling point of 253.5±32.0 °C(Predicted) and a density of 1.31±0.1 g/cm3(Predicted). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
16681-69-9
Jingsj CID
J-1482007-2
Molecular Formula
C4H5N3O
Chinese Name
1-甲基-1H-1,2,3-三唑-4-甲醛
Molecular Weight
111.10200 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point253.5±32.0 °C(Predicted)
Density1.31±0.1 g/cm3(Predicted)

Frequently Asked Questions

What is the CAS number of 1-Methyl-1H-1,2,3-triazole-4-carbaldehyde?

The CAS number of 1-Methyl-1H-1,2,3-triazole-4-carbaldehyde is 16681-69-9.

What are the molecular formula and molecular weight of 1-Methyl-1H-1,2,3-triazole-4-carbaldehyde?

1-Methyl-1H-1,2,3-triazole-4-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:

How to cite: Jingsj. "1-Methyl-1H-1,2,3-triazole-4-carbaldehyde (CAS 16681-69-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1482007-2 (accessed 2026-10-23).

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