| CAS No.: | 22839-47-0 |
|---|---|
| Formula: | C14h18n2o5 |
| EINECS: | 245-261-3 |
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| Testing Item | Standard | Result |
| Appearance | White crystalline granular | White crystalline granular |
| Assay | 98.0-102.0 % | 99.20 % |
| Specific Rotation [α]D20 | +14.50°~+16.50° | +15.20 ° |
| Loss on Drying | ≤ 4.50 % | 2.71 % |
| Residue On Ignition(Sulphate Ash) | ≤ 0.20 % | 0.06 % |
| pH (0.8% w/v in water) | 4.50 - 6.00 | 5.24 |
| Diketopiperazine (DKP) 5-benzyl-3.6-dioxo-2-Piperazineacetic acid |
≤ 1.5 % | < 1.5 % |
| Other Related impurities Chromatographic purity |
≤ 2.0 % | < 2.0 % |
| Transmittance | ≥ 0.95 | 0.992 |
| Heavy Metals (as Pb) | ≤ 10 mg/kg | < 10 mg/kg |
| Arsenic (as As) | ≤ 3 mg/kg | < 3 mg/kg |
| Lead | ≤ 1 mg/kg | < 1 mg/kg |
| Residual Solvents | Meet the requirements | Conform |
| Particle Size | 20-60 Mesh | Conform |
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