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CERTIFICATE OF ANALYSIS
| PRODUCT: Bestatin or Ubenimex (Synthetic) ([2S,3R]-3-Amino-2-hydroxy-4-phenylbutanoyl)-L-leucine |
PRODUCT No.: B174 |
| CAS: 58970-76-6 | LOT No.: B-20033285 |
| MW: 308.37 | STORE: -20º C |
| FORMULA: C16H24N2O4 | Country of Origin: Germany |
| Analysis | Specification | Results |
|---|---|---|
| Appearance | White powder | Conforms |
| Purity (HPLC, 220 nm) | ≥98% (area) | ≥99% |
| Elemental Analysis (as hydrochloride): (C) (H) (N) |
. 62.32% (theoretical) 7.84% (theoretical) 9.08% (theoretical) |
. 61.9% 7.8% 9.0% |
| Solubility | 50 mg/mL in 80 %AcOH Clear, Colorless |
Conforms |
| Stability: | Stable at -20º C if desiccated and properly stored for at least 24 months. Short term 2-8º C. Ships with blue ice. |
| QUALITY ASSURANCE: | Verified upon data received from supplier. |
FOR RESEARCH or FURTHER PROCESSING – NOT FOR HUMAN or DRUG USE