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4-Bromo-1H-pyrazole-3-carboxylic acid

Also known as: 1H-Pyrazole-3-carboxylic acid, 4-bromo-, 4-BROMO-1H-PYRAZOLE-3-CARBOXYLIC ACID, 4-Bromo-3-carboxy-1H-pyrazole, 4-Bromopyrazole-3-carboxylic Acid, 4-Bromo-2H-pyrazole-3-carboxylic acid, AKOS B006501, AKOS PAO-1260, ART-CHEM-BB B006501, RARECHEM AL BO 1694, TIMTEC-BB SBB000292

4-Bromo-1H-pyrazole-3-carboxylic acid (CAS 13745-17-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrN2O2 and a molecular weight of 190.983 g/mol. Key properties include a boiling point of 440.6±30.0 °C at 760 mmHg, a density of 2.1±0.1 g/cm3 and a flash point of 220.3±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13745-17-0
Jingsj CID
J-1187701-3
Molecular Formula
C4H3BrN2O2
Molecular Weight
190.983 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point440.6±30.0 °C at 760 mmHg
Density2.1±0.1 g/cm3
Flash Point220.3±24.6 °C
Exact Mass189.937775
PSA65.98000
LogP0.40
Vapor Pressure0.0±1.1 mmHg at 25°C
Refractive Index1.667

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 4-Bromo-1H-pyrazole-3-carboxylic acid?

The CAS number of 4-Bromo-1H-pyrazole-3-carboxylic acid is 13745-17-0.

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

4-Bromo-1H-pyrazole-3-carboxylic acid has molecular formula C4H3BrN2O2 and molecular weight 190.983 g/mol.

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

For 4-Bromo-1H-pyrazole-3-carboxylic acid, Upstream Products: 1H-Pyrazole-3-carboxylic acid, 4-Bromo-3-methyl-1H-pyrazole; Downstream Products: 4-Bromopyrazole.

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-Bromo-1H-pyrazole-3-carboxylic acid (CAS 13745-17-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1187701-3 (accessed 2026-11-09).

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