Carfilzomib Impurity 59
[CAS 2381627-87-6]

Identification

• Name: Carfilzomib Impurity 59
• Synonyms: 2-Methyl-2-propanyl {(2R)-4-methyl-1-[(2S)-2-methyl-2-oxiranyl]-1-oxo-2-pentanyl}carbamate
• Molecular Formula: C₁₄H₂₅NO₄
• Molecular Weight: 271.35
• CAS Registry Number: 2381627-87-6
• SMILES: O=C([C@@]1(CO1)C)[C@@H](CC(C)C)NC(OC(C)(C)C)=O

Properties

• Density: 1.1±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.472, Calc.^*
• Boiling Point: 369.8±37.0 °C (760 mmHg), Calc.^*
• Flash Point: 177.5±26.5 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.