Dihydrostreptomycin Sulphate
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Product Name |
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Synonyms |
Dihydrostreptomycin sesqui-Sulfate |
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CAS |
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Molecular formula |
2(C21H41N7O12)·3(H2SO4) |
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Molecular Weight |
1461.41 |
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Molecular Structure |
 |
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Physical and Chemical Properties |
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General Description |
white or almost white powder |
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Usage |
This product belongs to the aminoglycoside antibiotics, the bacteria and a variety of gram-negative bacilli, such as e. coli, salmonella, brucella, buses, bacillus, hayes dysentery bacillus, druze bacili have antibacterial effect. |
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Packing |
25kg/carton or 25kg/drum |
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Specifications |
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Items |
Standard |
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Characeters |
A white or almost white powder, freely soluble in water,practically insoluble in acetone, in alcohol and in methanol.It may be hygroscopic | ||||
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Identification |
thin-layer chromatogram meets the requirementspositivepositivepositive | ||||
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Appearance of solution |
Colour: not more intensely coloured than 5 |
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Clarity: not more opalescent than II |
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PH |
5.0~7.0 |
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Specific optical rotation |
-83°~ -91° |
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Methanol (GC) |
≤0.2% |
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Streptomycin |
≤1% |
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Heavy metals |
≤20ppm |
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Loss on drying |
≤5.0% |
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Sulphated ash |
≤1.0% |
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sulphate |
18.0%~21.5% |
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Abnormal toxicity |
Meets the requirements |
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potency |
≥730 IU/mg (dried substances) |
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Sodium metabisulfite limit |
≤0.4% (internal) |
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Bacterial endotoxins |
≤0.50 IU/mg |
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Sterility |
Meets the requirements |
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