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Ethyl (R)-(-)-4-Cyano-3-Hydroxybutyrate CAS 141942-85-0 Purity >98.0% (GC) Atorvastatin Calcium ATS-5 Intermediate

Manufacturer Supply With High Quality, Commercial Production 
Chemical Name: Ethyl (R)-(-)-4-Cyano-3-Hydroxybutyrate 
CAS: 141942-85-0

Chemical Name Ethyl (R)-(-)-4-Cyano-3-Hydroxybutyrate
Synonyms (R)-(-)-4-Cyano-3-Hydroxybutyric Acid Ethyl Ester; Atorvastatin Calcium Intermediate ATS-5
CAS Number 141942-85-0
CAT Number RF-CC298
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C7H11NO3
Molecular Weight 157.17
Specific Rotation [a]20/D -31.0° to -37.0° (C=1, CHCL3)
Boiling Point 270℃ (lit.)
Density  1.114 g/ml at 25℃ (lit.)
Refractive Index n20/D 1.448 (lit.)
Brand Ruifu Chemical
Item Specifications
Appearance Colorless to Light Yellow Liquid
Purity / Analysis Method >98.0% (GC)
Moisture (K.F) <0.50%
Total Impurities <2.00%
Infrared Spectrum Conforms to Structure
Test Standard Enterprise Standard
Usage Intermediate of Atorvastatin Calcium (CAS: 134523-03-8)

Package: Bottle, Aluminium foil bag, 25kg/Cardboard Drum, or according to customer's requirement

Storage Condition: Store in sealed containers at cool and dry place; Protect from light and moisture

Ethyl (R)-(-)-4-Cyano-3-Hydroxybutyrate (CAS: 141942-85-0) is used in a biocatalytic process for the synthesis of an Atorvastatin Calcium (CAS: 134523-03-8) intermediate and degredation products/impurities. Ethyl (R)-(-)-4-Cyano-3-Hydroxybutyrate is an important intermediate for the synthesis of HMG-CoA reductase inhibitors. If it is used as a raw material, synthetic Atorvastatin is mainly used for the treatment of hypercholesterolemia and mixed hyperlipidemia, coronary heart disease and stroke. Atorvastatin Calcium is a statin-class medication used mainly for lowering the lipid as well as preventing the event associated with cardiovascular disease.