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2-Acetylamino-5-bromo-3-methylpyridine

Also known as: 2-ACETYLAMINO-5-BROMO-3-METHYLPYRIDINE, 2-acetamido-5-bromo-3-methylpyridine, Acetamide, N-(5-bromo-3-methyl-2-pyridinyl)-, N-(5-Bromo-3-methyl-2-pyridinyl)acetamide, N-(5-broMo-3-Methylpyridin-2-yl)acetaMide, N-(5-bromo-3-methyl-pyridin-2-yl)-acetamide, n-(5-bromo-3-methyl-2-pyridinyl)acetylamide

2-Acetylamino-5-bromo-3-methylpyridine (CAS 142404-81-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H9BrN2O and a molecular weight of 229.07400 g/mol. Key properties include a melting point of 111-115ºC, a boiling point of 357.9ºC at 760 mmHg and a density of 1.545 g/cm3. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
142404-81-7
Jingsj CID
J-1515117-4
Molecular Formula
C8H9BrN2O
Molecular Weight
229.07400 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point111-115ºC
Boiling Point357.9ºC at 760 mmHg
Density1.545 g/cm3
Exact Mass227.99000
PSA41.99000
LogP2.18390
Vapor Pressure2.65E-05mmHg at 25°C
Refractive Index1.606

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction
  • H318 — Causes serious eye damage

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine 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 2-Acetylamino-5-bromo-3-methylpyridine?

The CAS number of 2-Acetylamino-5-bromo-3-methylpyridine is 142404-81-7.

What are the molecular formula and molecular weight of 2-Acetylamino-5-bromo-3-methylpyridine?

2-Acetylamino-5-bromo-3-methylpyridine has molecular formula C8H9BrN2O and molecular weight 229.07400 g/mol.

Is 2-Acetylamino-5-bromo-3-methylpyridine hazardous?

2-Acetylamino-5-bromo-3-methylpyridine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H318 — Causes serious eye damage.

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

Last updated:

How to cite: Jingsj. "2-Acetylamino-5-bromo-3-methylpyridine (CAS 142404-81-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515117-4 (accessed 2026-11-09).

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