Skip to main content

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

Also known as: 1-Methyl-5-nitropyrazole-4-carboxylic acid, 1-Methyl-5-nitro-4-pyrazolcarbonsaeure, 1-methyl-5-nitro-1H-pyrazol-4-carboxylic acid, 1H-Pyrazole-4-carboxylic acid, 1-methyl-5-nitro-, BUTTPARK 33\04-33

1-Methyl-5-nitro-1H-pyrazole-4-carboxylic acid (CAS 18213-77-9) 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 399ºC at 760mmHg, a density of 1.72g/cm3 and a flash point of 195.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18213-77-9
Jingsj CID
J-5652-0
Molecular Formula
C5H5N3O4
Molecular Weight
171.11100 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point399ºC at 760mmHg
Density1.72g/cm3
Flash Point195.1ºC
Exact Mass171.02800
PSA100.94000
LogP0.54970
Vapor Pressure4.39E-07mmHg at 25°C
Refractive Index1.675

Customs & Trade Information

HS Code2933199090
Summary2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

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

The CAS number of 1-Methyl-5-nitro-1H-pyrazole-4-carboxylic acid is 18213-77-9.

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

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

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

For 1-Methyl-5-nitro-1H-pyrazole-4-carboxylic acid, Upstream Products: 5-Amino-1-methyl-1H-pyrazole-4-carbonitrile, 5-Amino-1-methyl-1H-pyrazole-4-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. "1-Methyl-5-nitro-1H-pyrazole-4-carboxylic acid (CAS 18213-77-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5652-0 (accessed 2026-11-09).

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