| CAS No.: | 616-91-1 |
|---|---|
| Formula: | C5h9no3s |
| EINECS: | 210-498-3 |
| Color: | White |
| Appearance: | Powder |
| Assay: | 98.5~101.0% |
| Samples: |
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| Customization: |
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Audited Supplier | ITEM | SPECIFICATIONS | TEST RESULTS |
| Appearance | White crystals or crystalline powder | White crystalline powder |
| Assay, % | 98.5~101.0 | 99.3 |
| Identification | Infrared absorption | Conforms |
| pH value | 2.0~2.8 | 2.21 |
| Specific optical rotation[a]D20° | +21°~+27° | +25.4° |
| Melting point, ºC | 106~110 | 107~109 |
| Transmittance, % | ≥98.0% | 98.9% |
| Loss on drying, % | ≤0.5 | 0.15 |
| Residue on ignition, % | ≤0.2 | 0.09 |
| Chloride, % | ≤0.04 | <0.04 |
| Sulfate, % | ≤0.03 | <0.03 |
| Ammonium, % | ≤0.02 | <0.02 |
| Heavy metals (as Pb), % | ≤0.001 | <0.001 |
| Iron (Fe), % | ≤0.002 | <0.002 |
| Other amino acids | Not detectable | Not detectable |
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