(4S,5R)-(−)-4-Methyl-5-phenyl-2-oxazolidinone
Product name: (4S,5R)-(−)-4-Methyl-5-phenyl-2-oxazolidinone
CAS Number: 16251-45-9
Introduction
| Product name | (4S,5R)-(-)-4-Methyl-5-Phenyl-2-Oxazolidinone |
| CAS No. | 16251-45-9 |
| Test Items | Specifications |
| Appearance | White to off white powder |
| Identification by IR | Conforms to spectrum of working standard |
| Residue on ignition | ≤0.1% |
| Moisture | ≤0.5% |
| Assay (anhydrous basis) | ≥98.0% |
| Norephedrine | ≤0.1% |
| (4S,5R)-3,4-Dimethyl-5-Phenyl-2-Oxazolidinone(Ephedrine Oxazolidinone) | ≤0.1% |
| individual Unspecified impurity | ≤0.1% |
| Total impurities | ≤0.5% |
| Chiral impurity content (4R,5S)-4-Methyl-5-Phenyl-2-Oxazolidinone | ≤1.0% |
Application
(4S,5R)-(-)-4-Methyl-5-phenyl-2-oxazolidinone may be used to synthesize (4S,5R)-N–tert-butyloxycarbonyl)-4-methyl-5-carboxy-2-oxazolidinone and (+)-pumiliotoxin B.
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