Ceftiofur HCl CAS No.: 103980-44-5
Chemical Name: (6R,7R)-7-[2-(2-Aminothiazol-4-yl) -2-(methylimino)actylamino] -3-[(2-furanylcarbonyl) thiomethyl]-3-cephem-4- carboxylic acid
Molecular Formula: C19H17N5O7S3 HCl
Molecular Structure:
Molecular Weight: 560.02
CAS No.: [103980-44-5]
Specification
|
No. |
Item |
Specification |
|
1 |
Appearance |
White or off-white crystalline powder |
|
2 |
Solubility |
Soluble in N,N-Dimethylformamide |
|
3 |
Related substances |
4-Keto-ceftiofur≤0.5% Impurity(MW=537)≤0.4% δ-3-Syn-oxime≤0.3% δ-3-Ani-oxime≤2.0% Total above 4 impurities≤2.0% |
|
4 |
Water |
≤6.0% |
|
5 |
PH |
2.0~4.0 |
|
6 |
Absorbance |
≤0.500A |
|
7 |
Specific rotation |
－115°~－125° |
|
8 |
Residue on ignition |
≤0.5% |
|
9 |
Assay |
≥98.0% |
|
10 |
Standard |
Enterprise standard |
|
11 |
Packing |
25KG/drum or on customer request |