Complaint
| Product name: | Alpha Lipoic Acid | ||
| CAS No: | 1077-28-7 | Batch Number: | RW-ALA20211122 |
| Batch Quantity: | 1000 kgs | Manufacture Date: | Nov. 22. 2021 |
| Report Date: | Nov. 26. 2021 | Expire Date: | Nov. 21. 2023 |
| Storage Condition: | Preserve in tight containers at controlled room temperature. | ||
| ITEMS | SPECIFICATION | METHOD | TEST RESULT |
| Organoleptic | |||
| Color | Yellow | Visual | Conforms |
| Taste | Characteristic | Organoleptic | Conforms |
| Odor | Characteristic | Organoleptic | Conforms |
| Appearance | Powder | Visual | Conforms |
| Analytical Quality | |||
| Identification | IR, HPLC | Conforms | |
| Assay | NLT 99.0%, NMT 101.0% | USP43 | 99.50% |
| Polymeric Lipoic Acid | NMT 1% | USP43 | Conforms |
| Related Substance | Max Individual Impurity: NMT 0.1% | USP43 | 0.03% |
| Total Impurity: NMT 2% | USP43 | 0.06% | |
| Loss on Drying | NMT 0.2% | USP43 | 0.04% |
| Residue on Ignition | NMT 0.1% | USP43 | 0.02% |
| Residual Solvents | Cyclohexae: NMT 0.388% | USP43 | 0.16% |
| Ethyl Acetat: NMT 0.5% | USP43 | N.D | |
| Toluen: NMT 0.089% | USP43 | N.D | |
| Melting Point | 60ºC~62ºC | USP43 | 60.0ºC~61.5ºC |
| Optical Rotation | -1°~+1° | USP43 | 0° |
| Microbe Tests | |||
| Total Yeast & Mold | NMT 100cfu/g | <10 cfu/g | |
| E.Coli | Negative | N.D | |
| Aerobic Bacteria | NMT 1000cfu/g | <10 cfu/g | |
| Conclusion: | The sample meet USP43. | ||
| Packing & Storage: | Package in cardboard-drums and plastic-bags inside. | ||
| N.W: 25kgs/drum, 5kg/bag | |||
| Store in a well-closed container away from moisture, light and oxygen. | |||
| Shelf Life: | 24 months under the conditions above and in its original packaging. | ||
| TEST ITEMS | SPECIFICATION | RESULTS |
| Description | : Crystalline Powder | White Powder |
| Identification | : Positive | Positive |
| Assay(by HPLC) | : 98.0~102.0% | 99.34% |
| Absorbance(E1cm) | : 465~495 | 482.5 |
| Melting Point | : 191~195°C | 193.5~195.0°C |
| Loss On Drying | : 0.5%max | 0.19% |
| Specific Rotation | : +288°~ +298° | +290.2° |
| Residue On Ignition | : 0.1%max | 0.03% |
| Related Substances | : Total:1.5%max | <1.3% |
| Single:0.5%max | <0.4% | |
| Residue Solvents | : 0.2%max | 0.10% |
| Heavy Metals | : 20PPm max | <10PPm |
| Conclusion | The specification conform with enterprise standard. | |
| Make an order | Please make clear the product you need and quantity |
| Quote | Prices and Specifications details would be sent to you |
| Payment ways | Bank Transfer, Western Union, Money Gram and Bitcoin |
| Delivery ways | EMS, DHL, TNT, FedEx, UPS, Directly line etc. |
| Shipping address | Valid & Correct destination address info request |
| Packing | Super discreet, professional and experienced |
| Lead time | Within 8 hours upon receipt of payment |
| Package picture | Photos of package would be offered to tell apart the items |
| Tracking number | Offered once it is released |
| Shipping time | 3-7 working days (Door-to-Door) |
| After-sale service | 24/7 Online for any problems |
