Cas 203458-71-3,[(4R,5S,6S)-6-((S)-2-Benzyloxy-1-methyl-ethyl)-5-methyl-2-phenyl-[1,3]dioxan-4-yl]-acetic acid ethyl ester

203458-71-3

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Basic information

Product Name: [(4R,5S,6S)-6-((S)-2-Benzyloxy-1-methyl-ethyl)-5-methyl-2-phenyl-[1,3]dioxan-4-yl]-acetic acid ethyl ester
Synonyms: [(4R,5S,6S)-6-((S)-2-Benzyloxy-1-methyl-ethyl)-5-methyl-2-phenyl-[1,3]dioxan-4-yl]-acetic acid ethyl ester
CAS NO:203458-71-3
Molecular Formula:
Molecular Weight: 412.526
EINECS: N/A
Product Categories: N/A

Chemical Properties

Melting Point: N/A
Boiling Point: N/A
Flash Point: N/A
Appearance: N/A
Density: N/A
Refractive Index: N/A
Storage Temp.: N/A
Solubility: N/A
CAS DataBase Reference: [(4R,5S,6S)-6-((S)-2-Benzyloxy-1-methyl-ethyl)-5-methyl-2-phenyl-[1,3]dioxan-4-yl]-acetic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: [(4R,5S,6S)-6-((S)-2-Benzyloxy-1-methyl-ethyl)-5-methyl-2-phenyl-[1,3]dioxan-4-yl]-acetic acid ethyl ester(203458-71-3)
EPA Substance Registry System: [(4R,5S,6S)-6-((S)-2-Benzyloxy-1-methyl-ethyl)-5-methyl-2-phenyl-[1,3]dioxan-4-yl]-acetic acid ethyl ester(203458-71-3)

Safety Data

Hazard Codes: N/A
Statements: N/A
Safety Statements: N/A
WGK Germany:
RTECS:
HazardClass: N/A
PackingGroup: N/A
Hazardous Substances Data: 203458-71-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 203458-71-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,3,4,5 and 8 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 203458-71:
(8*2)+(7*0)+(6*3)+(5*4)+(4*5)+(3*8)+(2*7)+(1*1)=113
113 % 10 = 3
So 203458-71-3 is a valid CAS Registry Number.

203458-71-3Upstream product

203458-71-3Downstream Products

203458-71-3Relevant academic research and scientific papers

Expeditious and stereoselective synthesis of chiral trans -β-hydroxy-δ-lactone systems

Miyazawa, Masahiro,Matsuoka, Erika,Sasaki, Shinobu,Oonuma, Satoshi,Maruyama, Kimiyuki,Miyashita, Masaaki

, p. 109 - 110 (2007/10/03)

Expeditious and stereoselective synthesis of chiral trans-β-hydroxy-δ-lactone systems starting from γ,δ-epoxy acrylates is described which involves the regioselective ring opening of an epoxide and the intramolecular conjugate addition of a hemiacetal alkoxide anion of δ-hydroxy-α,β-unsaturated esters as key steps.

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