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 |
|
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