Ethyl 2-(2-benzyloxycarbonylaminothiazol-4-yl) acetate

[Chemical Name]: Ethyl 2-(2-benzyloxycarbonylaminothiazol-4-yl) acetate

[Structure]:

[Formula]: C15H16N2O4S

[Molecular Weight]: 320.36

[CAS RN]: 92592-02-4

[Application]: Intermediate for ceftibuten, cefotiam

[Specification]:

Appearance White to off-white crystalline powder
Identification Positive
Water 0.5%max
Loss on drying 1.0%max
Individual impurity 0.5%max
Purity 98%min
Assay on dried basis 96.0%min