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5-Bromopyrimidin-4(3H)-one

Also known as: 5-Bromopyrimidin-4(1H)-one, 5-Bromo-4(1H)-pyrimidinone, 5-Bromo-4-hydroxypyrimidine, 5-Bromo-4-pyrimidinol, 4(1H)-Pyrimidinone, 5-bromo-, 4(3H)-Pyrimidinone, 5-bromo-, 5-bromo-1H-pyrimidin-4-one, 5-Bromo-4-pyrimidone, Einecs 243-334-4

5-Bromopyrimidin-4(3H)-one (CAS 19808-30-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H3BrN2O and a molecular weight of 174.983 g/mol. Key properties include a melting point of 198-200℃, a boiling point of 241ºC at 760 mmHg, a density of 2.0±0.1 g/cm3 and a flash point of 99.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
19808-30-1
Jingsj CID
J-1147844-7
Molecular Formula
C4H3BrN2O
Molecular Weight
174.983 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point198-200℃
Boiling Point241ºC at 760 mmHg
Density2.0±0.1 g/cm3
Flash Point99.5ºC
Exact Mass173.942871
PSA46.01000
LogP-1.02
Vapor Pressure0.0237mmHg at 25°C
Refractive Index1.679
Storage Conditions2-8°C

Customs & Trade Information

HS Code2933599090
Summary2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring 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 5-Bromopyrimidin-4(3H)-one?

The CAS number of 5-Bromopyrimidin-4(3H)-one is 19808-30-1.

What are the molecular formula and molecular weight of 5-Bromopyrimidin-4(3H)-one?

5-Bromopyrimidin-4(3H)-one has molecular formula C4H3BrN2O and molecular weight 174.983 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Bromopyrimidin-4(3H)-one (CAS 19808-30-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1147844-7 (accessed 2026-11-09).

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