Customization: | Available |
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CAS No.: | 446-72-0 |
Formula: | C15h10o5 |
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Product name | Genistein | Manufacture date | Jan.21.2025 |
Batch number | SW250121 | Analysis date | Jan.22.2025 |
Batch quantity | 300kg | Expiry date | Jan.21.2027 |
Analysis | Specification | Rusult | Method |
Appearance | Light Yellow powder, neutral odor, highly hygroscopic | Conforms | Visual |
Identification | Standard solution and test solution same spot,RF | Conforms | TLC |
Specific Optical | -2.4°~ -2.8° | -2.72° | / |
Heavy metals (as PB) | ≤10ppm | Conforms | AAS |
Sulfate (SO4) | ≤0.02% | Conforms | Colorimetry |
Chloride (Cl) | ≤0.02% | Conforms | Colorimetry |
Phosphate Ion (P) | ≤5ppm | Conforms | Colorimetry |
Residual solvent(ethanol) | ≤1.0% | Conforms | HS-GC |
pH | 4.5~7.0 | 5.10 | / |
Related substance | Spot not bigger than standard solution spot | No spot | TLC |
Water Content | ≤2% | 0.26% | KF |
Assay (dried basis) | 98.0%--102.0% | 99.48% | Potentiometric titration |
Assay (dried basis) | 98.5%--100% | 99.2% | HPLC |
Packing description: | Sealed export grade drum & double of sealed plastic bag |
Storage: | Store in cool & dry place not freeze., keep away from strong light and heat |
Shelf life: | 2 years when properly stored |
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