1-(4-bromophenyl)-1H-pyrazol-3-ol

Also known as: 1-(4-bromophenyl)-3-hydroxy-1H-pyrazole, 2-(4-bromophenyl)-1H-pyrazol-5-one, 1-(4-bromo-phenyl)-1H-pyrazol-3-ol, 1-(4-bromo-phenyl)-1,2-dihydro-pyrazol-3-one, 1-p-Bromphenyl-3-hydroxy-pyrazol, 3H-Pyrazol-3-one, 1-(4-bromophenyl)-1,2-dihydro-

1-(4-bromophenyl)-1H-pyrazol-3-ol (CAS 23429-74-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7BrN2O and a molecular weight of 239.06900 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 23429-74-5
Jingsj CID: J-1370745-4
Molecular Formula: C₉H₇BrN₂O
Molecular Weight: 239.06900 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	237.97400
PSA	38.05000
LogP	2.34040

Customs & Trade Information

HS Code	2933199090
Summary	2933199090. 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 1-(4-bromophenyl)-1H-pyrazol-3-ol?

The CAS number of 1-(4-bromophenyl)-1H-pyrazol-3-ol is 23429-74-5.

What are the molecular formula and molecular weight of 1-(4-bromophenyl)-1H-pyrazol-3-ol?

1-(4-bromophenyl)-1H-pyrazol-3-ol has molecular formula C9H7BrN2O and molecular weight 239.06900 g/mol.

What are the upstream and downstream products of 1-(4-bromophenyl)-1H-pyrazol-3-ol?

For 1-(4-bromophenyl)-1H-pyrazol-3-ol, Upstream Products: 1-(4-bromophenyl)pyrazolidin-3-one, 4-Bromophenylhydrazine hydrochloride, 4-Bromoaniline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1-(4-bromophenyl)-1H-pyrazol-3-ol (CAS 23429-74-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1370745-4 (accessed 2026-11-09).

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