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4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde

Also known as: 4-Bromo-1-methyl-1H-imidazole-5-carbaldehyde, 4-Bromo-5-formyl-1-methyl-1H-imidazole, 5-bromo-3-methyl-3H-imidazole-4-carbaldehyde, 5-bromo-3-methyl-4-imidazolecarboxaldehyde, 5-bromo-3-methylimidazole-4-carbaldehyde, 4-Bromo-1-methylimidazole-5-carboxaldehyde

4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde (CAS 141524-74-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5BrN2O and a molecular weight of 189.01000 g/mol. Key properties include a melting point of 60-64ºC, a boiling point of 349.1ºC at 760 mmHg, a density of 1.73 g/cm3 and a flash point of 164.9ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
141524-74-5
Jingsj CID
J-1446916-0
Molecular Formula
C5H5BrN2O
Molecular Weight
189.01000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point60-64ºC
Boiling Point349.1ºC at 760 mmHg
Density1.73 g/cm3
Flash Point164.9ºC
Exact Mass187.95900
PSA34.89000
LogP0.99510
Vapor Pressure4.81E-05mmHg at 25°C
Refractive Index1.621
Storage Conditions2-8℃

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed

Customs & Trade Information

HS Code2933290090
Summary2933290090. other compounds containing an unfused imidazole 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-1-methyl-1H-imidazole-5-carboxaldehyde?

The CAS number of 4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde is 141524-74-5.

What are the molecular formula and molecular weight of 4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde?

4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde has molecular formula C5H5BrN2O and molecular weight 189.01000 g/mol.

Is 4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde hazardous?

4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde?

For 4-Bromo-1-methyl-1H-imidazole-5-carboxaldehyde, Upstream Products: N,N-Dimethylformamide, 4,5-dibromo-1-methyl-1H-imidazole-2-carboxylic acid; Downstream Products: 1-Methyl-1H-imidazole-5-carbaldehyde, 3-Methyl-L-histidine, 1-Methyl-4-phenyl-1H-imidazole-5-carbaldehyde.

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-1-methyl-1H-imidazole-5-carboxaldehyde (CAS 141524-74-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446916-0 (accessed 2026-11-09).

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