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4-Bromo-3-methyl-5-phenyl-1H-pyrazole

Also known as: 4-Bromo-3-methyl-5-phenylpyrazole, 1H-Pyrazole, 4-bromo-3-methyl-5-phenyl-, 4-Bromo-5-methyl-3-phenyl-1H-pyrazole, 4-Bromo-3-methyl-5-phenyl-1H-pyrazole, 97%

4-Bromo-3-methyl-5-phenyl-1H-pyrazole (CAS 13808-66-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9BrN2 and a molecular weight of 237.09600 g/mol. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13808-66-7
Jingsj CID
J-1471912-1
Molecular Formula
C10H9BrN2
Molecular Weight
237.09600 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026
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Physicochemical Properties

Exact Mass235.99500
PSA28.68000
LogP3.14760

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2933199090
Summary2933199090. 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 4-Bromo-3-methyl-5-phenyl-1H-pyrazole?

The CAS number of 4-Bromo-3-methyl-5-phenyl-1H-pyrazole is 13808-66-7.

What are the molecular formula and molecular weight of 4-Bromo-3-methyl-5-phenyl-1H-pyrazole?

4-Bromo-3-methyl-5-phenyl-1H-pyrazole has molecular formula C10H9BrN2 and molecular weight 237.09600 g/mol.

Is 4-Bromo-3-methyl-5-phenyl-1H-pyrazole hazardous?

4-Bromo-3-methyl-5-phenyl-1H-pyrazole has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 4-Bromo-3-methyl-5-phenyl-1H-pyrazole?

For 4-Bromo-3-methyl-5-phenyl-1H-pyrazole, Upstream Products: 1-Phenyl-1,3-butanedione, 5-Methyl-3-phenyl-1H-pyrazole.

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

Last updated:

How to cite: Jingsj. "4-Bromo-3-methyl-5-phenyl-1H-pyrazole (CAS 13808-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1471912-1 (accessed 2026-11-09).

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