CAS number: 3810-74-0
Molecular formula: C42H84N14O36S3
molecular weight: 1457.3836
Chemical structure:
Name of Product: | Streptomycin Sulfate | |
Shelf Life: | 2 years | |
Specification: | EP8.0 | |
Test Items | Specification | Results of Analysis |
Characters | A white or almost white powder, hygroscopic, very soluble in water, practically insoluble in ethanol | Conform |
Identification | A.TLC-test:Principal spot should be as per ref.standard | Conform |
B.Reaction with ferric chloride:voilet colour develops | Conform | |
C.Reaction with sodium Hypochloride:Red colour develops | Conform | |
D.Reaction with hydrochloride acid:faint yellow colour develops | Conform | |
E.Reaction of sulfates | Conform | |
Appearance of solution | Colour:Not more intense than ref.sol 3 | 5# |
Clarity:Not more opals than ref.suspension II | <1# | |
PH | 4.5 to 7.0 | 5.7 |
Methanol | Not more than 0.3% | NA |
Streptomycin B | Not more than 3.0% | Conform |
Loss on drying | Not more than 7.0% | 5.6% |
Sulfated ash | Not more than 1.0% | 0.3% |
Sulfate | 18.0% to 21.5% | 19.8% |
Colorimetric test | Not less than 90.0% | 99% |
Assay (dried potency) | Not less than 720IU/mg | 758IU/mg |