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Country: China (Mainland)
Business Type:Trading Company
CAS NO.79350-37-1
A(1-2)Kilogram
Product Name: | Cefi-xime |
Synonyms: | (6R,7R)-7-(2-(2-Amino-4-thiazolyl)gloxylamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7(square)-(Z)-(O-(carboxymethyl)oxime)-trihydrate; Suprax; main-ring; (6R,7R)-7-({(2-amino-1,3-thiazol-4-yl)[(carboxymethoxy)imino]acetyl}amino)-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid |
CAS: | 79350-37-1 |
MF: | C16H21N5O10S2 |
MW: | 507.4954 |
EINECS: | N/A |
TEST |
STANDARD |
RESULT |
Appearance |
White or light yellow crystalline powder |
Light yellow crystalline powder |
Identification(IR) |
Corresponding |
Complies |
Specific Rotation |
-75°~ -88° |
-79° |
Specific absorbance |
500-550 |
535 |
Acidity |
2.6~4.1 |
3.5 |
Water |
9.0-12.0% |
0.104 |
Crystallinity |
Meets the requirements |
Complies |
Largest single impurity |
Not more than 1.0% |
0.002 |
Total impurities |
Not more than 2.0% |
0.004 |
Assay |
950-1030ug/mg(on anhydrous basis) |
980ug/mg |