Cefminox sodium 93%min supplier Pharmaceutical API Antibiotic made in china CAS NO.92636-39-0

Description 

White or light yellow crystalline powder

Identification

A：The retention time of the major peak of the sample corresponds to that of the standards in assay.

B: UV maximum absorption at 272nm

C: It responds to the tests for sodium.

D: Hydroxamic acid iron reaction

Absorbance

195~220（272nm)

Specific rotation

+76°~ +89°

Clarity and color

Clear or clarity of solution：≤ 1#

Color: ≤ Y5#

Water

18.0%~20.0%

Heavy metals

≤ 10ppm

Particular matter

Particle equal to or greater than 10um ≤ 6000

Particle equal to or greater than 25um ≤ 600

Residual solvents

Dichloramine: ≤0.06%

Acetone:≤0.5%

Isopropanol:≤0.5%

Ethyl acetate:≤0.5%

Anisole: ≤0.5%

Related substances

Any impurity: ≤0.7%

Total impurities:≤2.0%

Bacterial endotoxins

﹤0.05EU/mg

Sterility

Conforms with the requirements

Assay

91.0%~98.5%(on the anhydrous and solvent free of cefminox of C16H21N7O7S3)