Xi 'an Green Spring Technology Co., Ltd
Xi 'an Green Spring Technology Co., Ltd
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Certificate of Analysis
| Product Name: | Biotin | Manufacture Date: | May.15,2016 |
| Batch Number: | WS160515 | Analysis Date: | May.18, 2016 |
| Batch Quantity: | 150 Kg | Expiration Date | May.14, 2018 |
| Test/Observation | Specifications | Result |
| Assay (C10H16N2O3S) | 98.5-101.0% | 99.13% |
| Appearance | White Crystalline | Complies |
| Odor & taste | Characteristic | Complies |
| Specific Rotation | 89o_ 93o | 91.7o |
| Melting point | 230--232 ℃ | 230--232 ℃ |
| Organic Volatile Impurities | Meets the requirements of USP30 | Complies |
| Sulphate Ash | 0.1% | 0.08% |
| Loss on drying | MAX. 1% | 0.32% |
| Restdue on ignition | MAX. 0.1% | 0.33% |
| Heavy metals (PPM) | MAX.1.0% | Complies |
| Microbiology Total Plate Count Yeast & Mold E.Coli S. Aureus Salmonella |
<1000cfu/g <100cfu/g Negative Negative Negative |
42 cfu/g 6 cfu/g Complies Complies Complies |
| Conclusion | Conform with specifications of USP30 | |
| Packing description | Sealed export grade drum & double sealed plastic bag |
| Storage | Store in tight containers; Keep in cool & dry place not freeze. Avoid strong light and heat. |
| Shelf life | 2 years when properly stored |
Quality Assurance Officer: Zhigang Li Analyst:Ping Chen
