Oseltamivir intermediate,98% up Full name :ETHYL(3R,4S,5S)-4,5-EPOXY- 3-(1-ETHYL-PROPOXY)CYCLOHEX-1-ENE- 1-CARBOXYLATE
Oseltamivir intermediate
CAS 204254-96-6
Full name:ETHYL(3R,4S,5S)-4,5-EPOXY-3-(1-ETHYL-PROPOXY)CYCLOHEX-1-ENE- 1-CARBOXYLATE
Items | Specification | Result |
Description | White to off-white powder | Off-white powder |
Identification | IR chromatograph conforms to characteristic peak of RS | Conforms |
Loss on drying | Not more than 0.5% | 0.10% |
Specific optical rotation (1%w/v solution in methanol at 25,on dried basis) | Between -42°and -46° | -42.5° |
Purity | Not less than 98.0% | 99.9% |
Assay ( on dried basis) | 98.0%---102.0% | 98.5% |
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Oseltamivir intermediate CAS NO:204254-96-6
