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2-Oxazolidinone, 5-(2,2-diMethyl-4H-1,3-benzodioxin-6-yl)-, (5R)- is used as an intermediate for vilanterol. 2-Oxazolidinone, 5-(2,2-diMethyl-4H-1,3-benzodioxin-6-yl)-, (5R)- is a reagent applied in the preparation of alkyl-linked di-phenyl aminoalcohols as long-acting β2 adrenergic receptor agonist. It is used as an antedrug.
Items | Specification | Result |
Purity by HPLC | ≥99.0% | 99.50% |
Appearance | White to of-white solid | Off-white solid |
| Single Largest Impurity( by HPLC) | ≤0.2% | 0.10% |
| Total impurities( by HPLC) | ≤1.0% | 0.50% |
| Enantionmer Impurity by Chiral HPLC | ≤0.1% | 0.09% |
| Loss on drying | ≤1.0% | 0.14% |
| Product parameters | |
| Cas number: | 452339-73-0 |
| Appearance: | White to off-white solid |
| Purity: | 99%min |
| Package details: | 1g/aluminium foil bag;10g/aluminium foil bag;100g/aluminium foil bag |
| Brand: | Fortunachem |
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