Ethyl (R)-(-)-4-cyano-3-hydroxybutyate
2026-04-14
产品详情
- Cas：141942-85-0
- 产品名称Ethyl (R)-(-)-4-cyano-3-hydroxybutyate
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- 简介
- Appearance: Colorless to pale yellow clear liquid
- Purity (GC/HPLC): ≥98.0%
- Enantiomeric Excess (ee): ≥99.0%
- Water Content (KF): ≤0.20%
- Residue on Ignition: ≤0.10%
- Heavy Metals (Pb): ≤10 ppm
- Related Substances: Single impurity ≤0.3%, Total impurities ≤1.0%
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- Pharmaceutical Intermediate: Key chiral intermediate for Atorvastatin Calcium (Lipitor), a widely used statin drug for lowering cholesterol.
- Synthesis Building Block: Used in the synthesis of other pharmaceuticals and fine chemicals requiring chiral hydroxyl and cyano groups.
- Research Chemical: Reference standard (Atorvastatin Impurity 55) for analytical method development and validation in pharmaceutical quality control.
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- Packaging: 25kg/drum (HDPE drum with PE inner liner); 1kg/5kg amber glass bottle for lab use
- Storage: Sealed, cool and dry place, refrigerate at 2–8 °C, protect from light and moisture
- Shelf Life: 24 months under recommended storage
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