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3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid

Also known as: 5-Methyl-4-nitro-1H-pyrazole-3-carboxylic acid, 5-Methyl-4-nitro-2H-pyrazole-3-carboxylic acid, 3-Carboxy-5-methyl-4-nitro-2H-pyrazole, AKOS 90438, 1H-Pyrazole-3-carboxylic acid, 5-methyl-4-nitro-

3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 5334-38-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5N3O4 and a molecular weight of 171.11100 g/mol. Key properties include a boiling point of 466.2ºC at 760 mmHg, a density of 1.683g/cm3 and a flash point of 235.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5334-38-3
Jingsj CID
J-1500865-8
Molecular Formula
C5H5N3O4
Molecular Weight
171.11100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point466.2ºC at 760 mmHg
Density1.683g/cm3
Flash Point235.8ºC
Exact Mass171.02800
PSA111.80000
LogP0.84770
Refractive Index1.65

Frequently Asked Questions

What is the CAS number of 3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid?

The CAS number of 3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid is 5334-38-3.

What are the molecular formula and molecular weight of 3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid?

3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid has molecular formula C5H5N3O4 and molecular weight 171.11100 g/mol.

What are the upstream and downstream products of 3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid?

For 3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid, Upstream Products: 3-Methyl-1H-pyrazole-5-carboxylic acid, Ethyl 3-methyl-1H-pyrazole-5-carboxylate, 5-Methyl-1H-pyrazole-3-carboxylic acid; Downstream Products: 4-bromo-5-methyl-1H-pyrazole-3-carboxylic acid, 1H-Pyrazolo[4,3-d]pyrimidin-7-amine, 3-methyl- (9CI), 4-Amino-5-methyl-1H-pyrazole-3-carboxylic acid.

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

Last updated:

How to cite: Jingsj. "3-Methyl-4-nitro-1H-pyrazole-5-carboxylic acid (CAS 5334-38-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1500865-8 (accessed 2026-11-09).

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