Customization: | Available |
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CAS No.: | 137-66-6 |
Formula: | C22h38o7 |
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Item | Specification |
Appearance | Yellow to brown liquid |
Assay(On dried basis) | 98.0% ~ 100.5% |
Whiteness matter | ≥68 |
Appearance of solution | Clear and not more than BY4 |
Optical rotation | +21º ~ +24º |
Melting range | 107ºC ~ 117ºC |
Loss on drying | ≤0.8% |
Residue on Ignition | ≤0.1% |
Bacteria amount | ≤1000 cfu/g |
Coliforms bacteria | ≤30 MPN/100g |
Pathogenic bacteria | Negative (Salmonella, shigella,staphylococcus aureus) |
Heavy metals | ≤4ppm |
Lead | ≤3ppm |
Arsenic | ≤1ppm |