4-Chloro-6-methylthieno[2,3-d]pyrimidine
[CAS# 106691-21-8]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Pyrimidine compound >> Thiophene
• Name: 4-Chloro-6-methylthieno[2,3-d]pyrimidine
• Molecular Formula: C₇H₅ClN₂S
• Molecular Weight: 184.65
• CAS Registry Number: 106691-21-8
• EC Number: 674-842-8

Properties

• Solubility: Very slightly soluble (0.26 g/L) (25 ºC), Calc.^*
• Density: 1.445±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 88-91 ºC (sublm)^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Jordis, Ulrich; Vestnik Slovenskega Kemijskega Drustva 1986, V33(3), P217-38.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - single exposure	STOT SE	3	H335
Acute toxicity	Acute Tox.	4	H312
Skin irritation	Skin Irrit.	2	H315
Acute toxicity	Acute Tox.	4	H332
Eye irritation	Eye Irrit.	2	H319
Eye irritation	Eye Irrit.	2A	H319