CAS Registry Number: 111902-57-9

CAS Name: (2S,6R)-6-[[(1S)-1-(Ethoxycarbonyl)-3-phenylpropyl]amino]tetrahydro-5-oxo-2-(2-thienyl)-1,4-thiazepine-4(5H)-acetic acid

Molecular Formula: C23H28N2O5S2

Molecular Weight: 476.62.

Melting point: mp 168°