USD $10.00-100.00 / Kilogram
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $11,000.00-12,000.00 / Metric Ton
USD $10.00-10.00 / 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 |