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

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. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
33543-81-6
Jingsj CID
J-1026494-5
Molecular Formula
C4H3N3O3
Molecular Weight
141.08500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass141.01700
PSA91.57000
LogP0.65360

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.

What are the upstream and downstream products of 4-nitro-1H-imidazole-2-carbaldehyde?

For 4-nitro-1H-imidazole-2-carbaldehyde, Upstream Products: Imidazole-2-carboxaldehyde.

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

Last updated:

How to cite: Jingsj. "4-nitro-1H-imidazole-2-carbaldehyde (CAS 33543-81-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1026494-5 (accessed 2026-11-09).

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