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Dihydrostreptomycin Sulfate D-Streptamine 5490-27-7
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Testing Items | Testing Specifications | Test Result |
Characters | A white or almost white powder | white powder |
Identification | A TLC, Complies | Complies |
B a-naphthol solution, strong sodium hy pochlorite solution reactions | Complies | |
C a-naphthol solution, hy drochloric acid solution reactions | Complies | |
D Reaction(a) of sulphates | Complies | |
Complies | ||
Appearance of solution | Clarity: ≤2# | ≤1# |
Colour: No more intense than reference solution 5 | 6# | |
PH: | 5.0~7.0 | 5.8 |
Specific optical rotation | -83°~-91° | -87.1° |
Heavy metals: | ≤20ppm | <20ppm |
Loss on drying | ≤5.0% | 3.50% |
Sulphate ash: | ≤1.0% | 0.60% |
Sulphate : | 18.0%~21.55 | 19.10% |
Assay(dried substance) | ≥730 IU/mg | 764IU/mg |
Sterility: | Sterile | Sterile |
Bacterial endotoxins: | <0.50 IU/mg, Complies | Complies |
*Abnormal toxicity: | 1mg/0.5ml, Complies | Complies |
By Express(Fedex,TNT,DHL,EMS) | By Air | By Sea |
Suitable for under 50kg | Suitable for more than 50kg | Suitable for more than 500kg |
Fast: 3-7 days | Fast: 3-7 days | Slow: 3-10 days |
High cost | Medium cost | Low cost |
Door to door service | Port to port service | Port to port service |
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