5-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol

Also known as: 5-Methyl-6-phenylthieno[2,3-d]pyrimidin-4(3H)-one, 5-methyl-6-phenyl-3H-thieno[2,3-d]pyrimidin-4-one, 5-methyl-6-phenyl-3-hydrothiopheno[2,3-d]pyrimidin-4-one, HMS542I10, Thieno[2,3-d]pyrimidin-4(1H)-one, 5-methyl-6-phenyl-, 4-hydroxy-5-methyl-6-phenylthieno[2,3-d]pyrimidine

5-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol (CAS 306934-76-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H10N2OS and a molecular weight of 242.29600 g/mol. Key properties include a melting point of 247-249ºC, a boiling point of 484.8ºC at 760mmHg, a density of 1.37g/cm3 and a flash point of 247ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 306934-76-9
Jingsj CID: J-1090714-9
Molecular Formula: C₁₃H₁₀N₂OS
Molecular Weight: 242.29600 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	247-249ºC
Boiling Point	484.8ºC at 760mmHg
Density	1.37g/cm3
Flash Point	247ºC
Exact Mass	242.05100
PSA	74.25000
LogP	3.37230
Refractive Index	1.714

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. 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-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol?

The CAS number of 5-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol is 306934-76-9.

What are the molecular formula and molecular weight of 5-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol?

5-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol has molecular formula C13H10N2OS and molecular weight 242.29600 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-methyl-6-phenylthieno[2,3-d]pyrimidin-4-ol (CAS 306934-76-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1090714-9 (accessed 2026-11-09).

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