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HANGZHOU ICH BIOFARM CO.,LTD.
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HANGZHOU ICH BIOFARM CO.,LTD
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7-Phenylacetamide-3-Hydroxy-3-cephem-4-carboxylic acid diphenylmethyl ester

Name:7-Phenylacetamide-3-Hydroxy-3-cephem-4-carboxylic acid diphenylmethyl ester

CAS no. : 54639-48-4

Molecular formula: C28H24N2O5S

Molecular weight: 500.56

Structural formula:

Density: 1.6  g/cm3at 25 °C

Boiling point: 715.5°C at 760 mmHg

Appearance:White or off white powder

Intermediates of Ceftizoxime sodium

 

Analysis

Specification

Appearance

White or off white powder

Optical rotation

+140°-+145°

Colour(420nm)

≤0.5AU

Related substance

 

 

 

≤0.5%

Method 1

Rn2.14

Rn2.28

≤0.5%

Maximum single

Unk.impurity

 

≤0.1%

Method 2

 

 

≤0.1%

BPA

TPE

≤0.1%

GENH

≤0.1%

Maximum single

Unk.impurity

 

≤0.1%

Total impuries

≤1.0%

Water

≤0.3%

Residual solvent

Toluene

≤3.0%

Assay

≥95%


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