Customization: | Available |
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CAS No.: | 1200-22-2 |
Formula: | C8h14o2s2 |
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Product Name | R- (+) -Alpha Lipoic Acid | ||
Batch Number | AE191220 | Quantity | 500kgs |
Quality Standard | USP/FCC | Packing | 25 kg/package |
Manufacture Date | DEC.20,2019 | Expiry Date | DEC.19,2021 |
Item | Standard | Test Result |
Appearance | Slightly yellow granular | Conforms |
Identification | Meets the requirements | Conforms |
Melting Point | 60~62ºC | 61.7ºC |
Specific rotation | -1.0°to +1.0° | 0° |
Loss on drying | 0.20% max | 0.16% |
Residue on Ignition | 0.10% max | 0.04% |
Heavy Metals | 10ppm max | <10ppm |
Lead | 3ppm max | <3ppm |
Cadmium | 1ppm max | <1ppm |
Mercury | 0.1ppm max | <0.1ppm |
Chromatographic purity | ||
Single Impurity | 0.10% max | 0.01% |
Total Impurities | 2.0% max | 0.03% |
Limit of polymer content | Conforms | Conforms |
Residual Solvent By GC | ||
Cyclohexane | 1000ppm max | 247ppm |
Ethyl Acetate | 250ppm max | 53ppm |
Toluene | 20ppm max | Not Detectable |
Total plate counts | 1000 CFU/g max | <10 CFU/g |
Moulds and Yeasts | 100 CFU/g max | <10 CFU/g |
E.coli/Salmonella | Absence/g | Not Detectable |
Staphylococcus aureus | Absence/g | Not Detectable |
Particle Size | 30-60 mesh | Conforms |
Loose Bulk Density | 0.500g/ml | |
Assay | 99%~101% | 99.35% |
Conclusion | This batch of product complies to the standard USP34. |