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

4-氯-2-(1H-吡唑-3-基)苯酚

Also known as: 3-(5-Chloro-2-hydroxyphenyl)pyrazole, 4-chloro-2-(1H-pyrazol-5-yl)phenol, 4-chloro-2-(1(2)H-pyrazol-3-yl)-phenol, 5-(2-hydroxy-5-chlorophenyl)pyrazole, mycanodin, KR 104

4-Chloro-2-(1H-pyrazol-3-yl)phenol (CAS 18704-67-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7ClN2O and a molecular weight of 194.61800 g/mol. It is also known as 3-(5-Chloro-2-hydroxyphenyl)pyrazole, 4-chloro-2-(1H-pyrazol-5-yl)phenol and 4-chloro-2-(1(2)H-pyrazol-3-yl)-phenol. Key properties include a melting point of 155-158 °C(lit.), a boiling point of 411.2ºC at 760 mmHg, a density of 1.424 g/cm3 and a flash point of 202.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18704-67-1
Jingsj CID
J-1020199-2
Molecular Formula
C9H7ClN2O
Chinese Name
4-氯-2-(1H-吡唑-3-基)苯酚
Molecular Weight
194.61800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-158 °C(lit.)
Boiling Point411.2ºC at 760 mmHg
Density1.424 g/cm3
Flash Point202.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

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

The CAS number of 4-Chloro-2-(1H-pyrazol-3-yl)phenol is 18704-67-1.

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

4-Chloro-2-(1H-pyrazol-3-yl)phenol has molecular formula C9H7ClN2O and molecular weight 194.61800 g/mol.

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

4-Chloro-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-Chloro-2-(1H-pyrazol-3-yl)phenol (CAS 18704-67-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1020199-2 (accessed 2026-10-23).

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