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Hebei Jiutian biological products Co., Ltd.
Contact: Zhiming Wang
Tel: 0310-7520118,0310-7562222
Mobile: 18802223322,18381047563
Fax: 0310-7520118
Email: sales@jiutianbio.com
Address: West Jize County, Hebei Province
Products

Cefprozil

Product Name:  Cefprozil
CAS No:  121123-17-9
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Product Introduction

 

Cefprozil

Molecular formula:C18H19N3O5S·H2O

Molecular weight:407.44

CAS:121123-17-9

5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid,7-[[amino(4-hydroxyphenyl)acetyl]amino]-8-oxo-3-(1-propenyl)-,

(6R,7R)-7-[(R)-2-Amino-2-(p-hydroxyphenyl)acetamido]-8-oxo-3-propenyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic [121123-17-9].

Cefprozil contains not less than 900µg and not more than 1050µg of cefprozil (C18H19N3O5S)per mg,calculated on the anhydrous basis.

Anhydrous 389.43 [92665-29-7].

 

pH:between 3.5and 6.5,in a solution containing 5mg per mL.

Water,Method:not less than 3.5%and not more than 6.5%.

Cefprozil (E)-isomer ratio— Calculate the ratio of the cefprozil (E)-isomer to the total cefprozil taken by the formula:E/(E+Z),

in which Eis the content of cefprozil (E)-isomer,in µg per mg,as determined in the Assay,and Zis the content of cefprozil (Z)-isomer,in µg per mg,as determined in the Assay:the ratio is between 0.06and 0.11.

Appearance:White to light yellow powder

Cefadroxil:not more than 0.5%

Other single impurity:not more than 0.5%

Other impurities total:not more than 1.5%

Ethylene glycol:not more than 0.062%

DMF:not more than 0.088%

Residue on ignition:not more than 0.1%

Heavy metal:not more than 20ppm

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Contact
Zhiming Wang
Telephone
0310-7520118
0310-7562222
MSN:wangzmtj@hotmail.com