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1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI)

5-氟-1,3-二甲基-1H-吡唑-4-羰酰氯

Also known as: 5-Fluoro-1,3-dimethyl-1H-pyrazole-4-carbonyl chloride, 1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl-, 5-fluoro-1,3-dimethylpyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl-1H-pyrazol-4-carbonyl chloride

1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI) (CAS 202476-26-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H6ClFN2O and a molecular weight of 176.576 g/mol. It is also known as 5-Fluoro-1,3-dimethyl-1H-pyrazole-4-carbonyl chloride, 1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- and 5-fluoro-1,3-dimethylpyrazole-4-carbonyl chloride. Key properties include a boiling point of 232.4±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 94.3±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
202476-26-4
Jingsj CID
J-1488839-1
Molecular Formula
C6H6ClFN2O
Chinese Name
5-氟-1,3-二甲基-1H-吡唑-4-羰酰氯
Molecular Weight
176.576 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point232.4±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point94.3±25.9 °C

Frequently Asked Questions

What is the CAS number of 1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI)?

The CAS number of 1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI) is 202476-26-4.

What are the molecular formula and molecular weight of 1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI)?

1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI) has molecular formula C6H6ClFN2O and molecular weight 176.576 g/mol.

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

Last updated:

How to cite: Jingsj. "1H-Pyrazole-4-carbonyl chloride, 5-fluoro-1,3-dimethyl- (9CI) (CAS 202476-26-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1488839-1 (accessed 2026-10-26).

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