CAS No.:80370-57-6
Specification:99%
Formula: C19H17N5O7S3
Molecular Weight: 523.55
Appearance:off-white to light yellow crystalline powder
Place of Origin:China (Mainland)
Packaging Details:25kg drum
Specification:99%
Formula: C19H17N5O7S3
Molecular Weight: 523.55
Appearance:off-white to light yellow crystalline powder
Place of Origin:China (Mainland)
Packaging Details:25kg drum
| Product Name | Ceftiofur Free Acid |
| Package | 25KG Barrel |
| Character | Off-white or pale yellow powder |
| Identification | In the chromatogram of the assay, the retention time of the principal peak in the chromatogram obtained with the test solution corresponds to that of the principal peak in the chromatogram obtained with reference solution |
| Water | No more than 3.0% |
| Color of solution | No more intensely colored than the reference solution Y9 or OY9 |
| Clarity of solution | No more pronounced than that of reference suspension I |
| Residue on ignition | No more than0.50% |
| Heavy metal | No more than 0.0020% |
| Related substances | Any individual impurity: No more than 0.5% Total impurities: No more than 1.0% |
| Residual solvent(acetone) | No more than 1.0% |
| Assay(ceftiofur) | No less than 98.0% |