1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid

1-苯基-3-(噻吩-2-基)-1H-吡唑-5-羧酸

Also known as: 1-Phenyl-3-(thien-2-yl)-1H-pyrazole-5-carboxylic acid, 1-Phenyl-3-(thiophenyl-2-yl)-1H-pyrazole-5-carboxylic acid, 1H-Pyrazole-5-carboxylic acid, 1-phenyl-3-(2-thienyl)-, 2-Phenyl-5-thiophen-2-yl-2H-pyrazole-3-carboxylic acid, 2-phenyl-5-thiophen-2-ylpyrazole-3-carboxylic acid, 1-Phenyl-3-(2-thienyl)-1H-pyrazole-5-carboxylic acid, 1-Phenyl-3-(2-thienyl)pyrazole-5-carboxylic acid, JR-7099, 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid, 97%

1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid (CAS 618382-77-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H10N2O2S and a molecular weight of 270.30600 g/mol. It is also known as 1-Phenyl-3-(thien-2-yl)-1H-pyrazole-5-carboxylic acid, 1-Phenyl-3-(thiophenyl-2-yl)-1H-pyrazole-5-carboxylic acid and 1H-Pyrazole-5-carboxylic acid, 1-phenyl-3-(2-thienyl)-. Key properties include a boiling point of 498.3ºC at 760 mmHg, a density of 1.37g/cm3 and a flash point of 255.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
618382-77-7
Jingsj CID
J-916087-1
Molecular Formula
C14H10N2O2S
Chinese Name
1-苯基-3-(噻吩-2-基)-1H-吡唑-5-羧酸
Molecular Weight
270.30600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point498.3ºC at 760 mmHg
Density1.37g/cm3
Flash Point255.2ºC

Frequently Asked Questions

What is the CAS number of 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid?

The CAS number of 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid is 618382-77-7.

What are the molecular formula and molecular weight of 1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid?

1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid has molecular formula C14H10N2O2S and molecular weight 270.30600 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Phenyl-3-(thiophen-2-yl)-1H-pyrazole-5-carboxylic acid (CAS 618382-77-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-916087-1 (accessed 2026-10-25).

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