4-Methoxy-3-thiophenecarboxylic acid methyl ester
[CAS# 65369-22-4]

Identification

• Classification: Pharmaceutical intermediate >> Heterocyclic compound intermediate >> Thiophene compound
• Name: 4-Methoxy-3-thiophenecarboxylic acid methyl ester
• Synonyms: Methyl 4-methoxythiophene-3-carboxylate
• Molecular Formula: C₇H₈O₃S
• Molecular Weight: 172.20
• CAS Registry Number: 65369-22-4

Properties

• Solubility: Slightly soluble (3.8 g/L) (25 ºC), Calc.^*
• Density: 1.222±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 68-70 ºC (hexane )^**
• Boiling point: 248.1±20.0 ºC (760 Torr), Calc.^*
• Flash point: 103.9±21.8 ºC, Calc.^*

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

^** Press, Jeffery B.; Journal of Organic Chemistry 1979, V44(19), P3292-6.

Safety Data

• Safety Description: S24/25