4-Fluoro-2-(1H-pyrazol-3-yl)phenol

4-氟-2-(1H-吡唑-3-基)苯酚

Also known as: 4-Fluoro-2-(1H-pyrazol-5-yl)phenol, 3-(3-Fluoro-6-hydroxyphenyl)pyrazole, 3-(5-Fluoro-2-hydroxyphenyl)pyrazole, Phenol, 4-fluoro-2-(1H-pyrazol-3-yl)-, MFCD00104658, JRH-02009

4-Fluoro-2-(1H-pyrazol-3-yl)phenol (CAS 288401-64-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7FN2O and a molecular weight of 178.16300 g/mol. It is also known as 4-Fluoro-2-(1H-pyrazol-5-yl)phenol, 3-(3-Fluoro-6-hydroxyphenyl)pyrazole and 3-(5-Fluoro-2-hydroxyphenyl)pyrazole. Key properties include a melting point of 130.5-134.5ºC(lit.), a boiling point of 206.3ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 78.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
288401-64-9
Jingsj CID
J-1992645-6
Molecular Formula
C9H7FN2O
Chinese Name
4-氟-2-(1H-吡唑-3-基)苯酚
Molecular Weight
178.16300 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130.5-134.5ºC(lit.)
Boiling Point206.3ºC at 760 mmHg
Density1.36g/cm3
Flash Point78.6ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4-Fluoro-2-(1H-pyrazol-3-yl)phenol?

The CAS number of 4-Fluoro-2-(1H-pyrazol-3-yl)phenol is 288401-64-9.

What are the molecular formula and molecular weight of 4-Fluoro-2-(1H-pyrazol-3-yl)phenol?

4-Fluoro-2-(1H-pyrazol-3-yl)phenol has molecular formula C9H7FN2O and molecular weight 178.16300 g/mol.

Is 4-Fluoro-2-(1H-pyrazol-3-yl)phenol hazardous?

4-Fluoro-2-(1H-pyrazol-3-yl)phenol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-2-(1H-pyrazol-3-yl)phenol (CAS 288401-64-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1992645-6 (accessed 2026-10-25).

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