Customization: | Available |
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CAS No.: | 136310-64-0 |
Formula: | C18h19no4s2 |
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Item | Specification |
Appearance | White to off-white powder |
Solubility |
soluble in Water |
Identification | HPLC: In chromatograms recorded under relevant substances, the retention time of the main peak of the test product solution should be consistent with that of the system applicable solution (The deviation shall not exceed 5%) |
IR: The infrared absorption spectrum of this product should be consistent with that of the reference product | |
UV: Maximum absorption occurs at 250nm and 283nm wavelengths ( Deviation shall not exceed +2nm) | |
Related substances | Total impurity ≤1.0% |
lmpurity A407S-ZI ≤0.15% | |
Water Determination | ≤0.5% |
Residue on lgnition | ≤0.1% |
Heavy Metals | ≤20ppm |
Microbial Limit |
Total number of aerobic bacteria<100 cfu/g
|
Total number of molds and yeast<100 cfu/g | |
E.coli should not be detected every lg | |
Assay | ≥98.5% |