Cas 478495-71-5,2-((S)-2-Acetoxy-1-hydroxy-2-phenyl-ethylidene)-malonic acid diethyl ester

478495-71-5

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Basic information

Product Name: 2-((S)-2-Acetoxy-1-hydroxy-2-phenyl-ethylidene)-malonic acid diethyl ester
Synonyms: 2-((S)-2-Acetoxy-1-hydroxy-2-phenyl-ethylidene)-malonic acid diethyl ester
CAS NO:478495-71-5
Molecular Formula:
Molecular Weight: 336.342
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: 2-((S)-2-Acetoxy-1-hydroxy-2-phenyl-ethylidene)-malonic acid diethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 2-((S)-2-Acetoxy-1-hydroxy-2-phenyl-ethylidene)-malonic acid diethyl ester(478495-71-5)
EPA Substance Registry System: 2-((S)-2-Acetoxy-1-hydroxy-2-phenyl-ethylidene)-malonic acid diethyl ester(478495-71-5)

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: 478495-71-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 478495-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,8,4,9 and 5 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 478495-71:
(8*4)+(7*7)+(6*8)+(5*4)+(4*9)+(3*5)+(2*7)+(1*1)=215
215 % 10 = 5
So 478495-71-5 is a valid CAS Registry Number.

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478495-71-5Relevant academic research and scientific papers

Novel short-step synthesis of optically active tetronic acids from chiral α-hydroxy acids mediated by 1-hydroxybenzotriazole

Athanasellis, Giorgos,Igglessi-Markopoulou, Olga,Markopoulos, John

, p. 1736 - 1738 (2002)

A novel method for the synthesis of functionalized γ-hydroxy acids and optically active tetronic acids is reported. The synthesis is simple and the compounds are produced in good yields (45-81%). Measurements of their optical rotations show that the react

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