Thieno[3,2-d]pyrimidin-4(3H)-one
[CAS# 16234-10-9]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyrimidine compound >> Thiophene
• Name: Thieno[3,2-d]pyrimidin-4(3H)-one
• Synonyms: 1H-Thieno[3,2-d]pyrimidin-4-one; 3,4-Dihydrothieno[3,2-d]pyrimidin-4-one; 3H-Thieno[3,2-d]pyrimidin-4-one; 4-Hydroxythieno[3,2-d]pyrimidine
• Molecular Formula: C₆H₄N₂OS
• Molecular Weight: 152.17
• CAS Registry Number: 16234-10-9
• EC Number: 811-135-7

Properties

• Density: 1.63
• Melting point: 222-223 °C

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2A	H319
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335