Factory Provide Dihydrostreptomycin Sulphate Powder CAS 5490-27-7 Dihydrostreptomycin sulfate
Introduction
Product Name: Dihydrostreptomycin sulfate
Other Name :Dihydrostreptomycin Sulphate
CAS NO:5490-27-7
Purity: 99%min
Appearance:White Powder
MF:C21H43N7O16S
MW:681.67
Storage:Sealed in dry,Store in freezer, under -20°C
Dihydrostreptomycin sulfate (preserved in the form of dihydrostreptomycin sulfate) is a highly effective β-lactam antibiotic with the advantages of strong bactericidal activity, low toxicity, wide indications and good clinical efficacy. Infectious diseases caused by Gram-negative bacteria, such as tuberculosis, whooping cough, plague, etc., are currently used in veterinary clinical trials.
| ltems | Specifications | Results |
| Appearance | White or yellowish-white crystalline powder, slightly
hygroscopic | Complies |
| Solubility | Practically insoluble in water, freely soluble in
methylene chlorid, soluble in alcohol | Complies |
| ldentification | IR | Corresponds with that of CRS standard | Complies |
| HPLC | The retention time for HzBla and HB1 in
chromatogram obtained with the best solution
corresponds to those of standard preparation | Complies |
| Appearance of solution | Clear and not more intensely colored than BYz | Complies |
Specific optical rotation
(anhydrous and
solvent-free substance) | -20~-17° | -17.7° |
| Related substances(%) | Individual impurities(BRT1.3-1.5)2.5 | L-1:<0.05 K:2.1 |
| Any other impurities≤1 | c:0.05 A:0.58
J:0.21 H:0.31
D:0.05F:<0.05
E:0.53-2:0.17
RTS1,09:0.08 |
| Totals5 | 4 |
| Disregard limit:0.05 |
Ethanol and
Formamide(%) | Ethanol<5.0 | 3.9 |
| Formamides3.0 | 2.6 |
| Heavy metal(%) | s0.002 | <0.002 |
| Water(%) | ≤1.0 | 0.14 |
| Catalyst(ugg) | S1 | <1 |
| Sulphated ash(%) | ≤0.1 | 0.05 |
Assay(%)
(HPLC, on dry basis) | HB13JH4aB1+H>B15) 290.9 | 98.1 |
| 95.gSHB4HB1a102.0 | 96 |
China
