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5-Bromo-2-methylpyrimidin-4-ol

Also known as: 5-Bromo-4-hydroxy-2-methylpyrimidine, 5-Bromo-2-methyl-4(1H)-pyrimidinone, 5-Bromo-2-methyl-4(3H)-pyrimidinone, 4(1H)-Pyrimidinone, 5-bromo-2-methyl-, 4(3H)-Pyrimidinone, 5-bromo-2-methyl-, 4-Pyrimidinol, 5-bromo-2-methyl-, 5-bromo-2-methylpyrimidin-4(1H)-one, 5-bromo-2-methylpyrimidin-4(3H)-one, 5-bromo-2-methyl-3H-pyrimidin-4-one

5-Bromo-2-methylpyrimidin-4-ol (CAS 1676-57-9) 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 189.010 g/mol. Key properties include a boiling point of 224.5±50.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 89.6±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1676-57-9
Jingsj CID
J-1365118-8
Molecular Formula
C5H5BrN2O
Molecular Weight
189.010 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point224.5±50.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point89.6±30.1 °C
Exact Mass187.958511
PSA46.01000
LogP-0.41
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.648
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-Bromo-2-methylpyrimidin-4-ol?

The CAS number of 5-Bromo-2-methylpyrimidin-4-ol is 1676-57-9.

What are the molecular formula and molecular weight of 5-Bromo-2-methylpyrimidin-4-ol?

5-Bromo-2-methylpyrimidin-4-ol has molecular formula C5H5BrN2O and molecular weight 189.010 g/mol.

What are the upstream and downstream products of 5-Bromo-2-methylpyrimidin-4-ol?

For 5-Bromo-2-methylpyrimidin-4-ol, Upstream Products: 2-Methylpyrimidin-4(3H)-one; Downstream Products: 4-Hydroxy-2-methylpyrimidine-5-carbonitrile, 4-amino-2-methylpyrimidine-5-carbonitrile.

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-Bromo-2-methylpyrimidin-4-ol (CAS 1676-57-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1365118-8 (accessed 2026-11-09).

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