4-nitro-1H-imidazole-2-carbaldehyde

4-硝基-1H-咪唑-2-甲醛

Also known as: 1H-Imidazole-2-carboxaldehyde, 4-nitro- (9CI), 1H-Imidazole-2-carboxaldehyde, 5-nitro-, 4-nitro-1H-imidazole-2-carboxaldehyde, 5-nitro-1H-imidazole-2-carbaldehyde, 5-nitro-2-imidazolecarboxaldehyde, Ornidazole Impurity 12, Ornidazole Impurity 27, Ornidazole Impurity 30

4-nitro-1H-imidazole-2-carbaldehyde (CAS 33543-81-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3N3O3 and a molecular weight of 141.08500 g/mol. It is also known as 1H-Imidazole-2-carboxaldehyde, 4-nitro- (9CI), 1H-Imidazole-2-carboxaldehyde, 5-nitro- and 4-nitro-1H-imidazole-2-carboxaldehyde. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 33543-81-6
Jingsj CID: J-1026494-6
Molecular Formula: C₄H₃N₃O₃
Chinese Name: 4-硝基-1H-咪唑-2-甲醛
Molecular Weight: 141.08500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Frequently Asked Questions

What is the CAS number of 4-nitro-1H-imidazole-2-carbaldehyde?

The CAS number of 4-nitro-1H-imidazole-2-carbaldehyde is 33543-81-6.

What are the molecular formula and molecular weight of 4-nitro-1H-imidazole-2-carbaldehyde?

4-nitro-1H-imidazole-2-carbaldehyde has molecular formula C4H3N3O3 and molecular weight 141.08500 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. "4-nitro-1H-imidazole-2-carbaldehyde (CAS 33543-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1026494-6 (accessed 2026-10-22).

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