Customization: | Available |
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CAS No.: | 55981-09-4 |
Formula: | C12h9n3o5s |
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Item | Specification |
Appearance | White to pale yellow powder |
Solubility | soluble in N,N-dimethylacetamide, very slightly soluble in alcohol, practically insoluble in water |
Particle size | D90≤100μm |
Identification |
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Loss on drying | ≤0.5% |
Residue on ignition | ≤0.1% |
Related substances (HPLC) |
Impurity A ≤0.1% |
Aspirin ≤0.1% | |
Salicylic acid ≤0.1% | |
Impurity B ≤0.5% | |
Unspecified impurity ≤0.10% | |
Total impurity ≤1.0% | |
Assay | 98.0% ~ 102.0%(calculated on the dried basis ) |