5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one

5-苯基-3H-噻吩[2,3-d]-嘧啶-4-酮

Also known as: 5-phenylthieno[2,3-d]pyrimidin-4(3H)-one, 5-phenylthieno[2,3-d]pyrimidin-4(1H)-one, 5-phenyl-3H,4H-thieno[2,3-d]pyrimidin-4-one, 7-phenyl-9-thia-2,4-diazabicyclo[4.3.0]nona-2,7,10-trien-5-one, thieno[2,3-d]pyrimidin-4(1H)-one, 5-phenyl-, 5-phenylthieno[2,3-d]pyrimidin-4(3H)

CAS No.
35978-39-3
Jingsj CID
J-29356-5
Molecular Formula
C12H8N2OS
Chinese Name
5-苯基-3H-噻吩[2,3-d]-嘧啶-4-酮
Molecular Weight
228.27000 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point216℃ (methanol )
Boiling Point460.4ºC at 760mmHg
Density1.41g/cm3
Flash Point232.3ºC

Frequently Asked Questions

What is the CAS number of 5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one?

35978-39-3

What are the molecular formula and molecular weight of 5-phenyl-3H-thieno[2,3-d]pyrimidin-4-one?

C12H8N2OS, molecular weight 228.27000 g/mol

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026