Darifenacin Intermediate

[Chemical Name]: 5-(2-Chloroethyl)-2,3-dihydrobenzofuran

[Synonyms]: 2,3-Dihydro-5-(2-chloroethyl)benzofuran

[Structure]:

[Formula]: C10H11ClO

[Molecular Weight]: 182.65

[CAS RN]: 943034-50-2

[Density]: 1.187 g/ cm3

[Melting Point]: 47-52 ℃

[Flash Point]: 128.4 ℃

[Specification]:

Appearance Pale yellow or white crystalline powder
Solubility Meet the requirments
Identification

HPLC
UV

Melting point 47-52℃
Loss on drying 1.0%max
Rlated substances

Bf-EtCl: 0.08%max
Total impurities: 0.5%max

Assay 98.0%min