Product Detail
Product Tags
Product Name
|
Dihydrostreptomycin Sulphate
|
Synonyms
|
Dihydrostreptomycin sesqui-Sulfate
|
CAS
|
5490-27-7
|
Molecular formula
|
2(C21H41N7O12)·3(H2SO4)
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Molecular Weight
|
1461.41
|
Molecular Structure
|
|
Physical and Chemical Properties
|
B.P.
|
954.5ºC at 760 mmHg
|
F.P.
|
531.1℃
|
|
General Description
|
white or almost white powder
|
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.
|
Packing
|
25kg/carton or 25kg/drum
|
Specifications
|
Items
|
Standard
|
Characeters
|
A white or almost white powder, freely soluble in water,practically insoluble in acetone, in alcohol and in methanol.It may be hygroscopic |
Identification
|
thin-layer chromatogram meets the requirementspositivepositivepositive |
Appearance of solution
|
Colour: not more intensely coloured than 5
|
Clarity: not more opalescent than II
|
PH
|
5.0~7.0
|
Specific optical rotation
|
-83°~ -91°
|
Methanol (GC)
|
≤0.2%
|
Streptomycin
|
≤1%
|
Heavy metals
|
≤20ppm
|
Loss on drying
|
≤5.0%
|
Sulphated ash
|
≤1.0%
|
sulphate
|
18.0%~21.5%
|
Abnormal toxicity
|
Meets the requirements
|
potency
|
≥730 IU/mg (dried substances)
|
Sodium metabisulfite limit
|
≤0.4% (internal)
|
Bacterial endotoxins
|
≤0.50 IU/mg
|
Sterility
|
Meets the requirements
|
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