Cas 105197-78-2,5-Ethoxy-3-oxo-2-(triphenyl-λ<sup>5</sup>-phosphanylidene)-pentanoic acid ethyl ester

105197-78-2

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Basic information

Product Name: 5-Ethoxy-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-pentanoic acid ethyl ester
Synonyms: 5-Ethoxy-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-pentanoic acid ethyl ester
CAS NO:105197-78-2
Molecular Formula:
Molecular Weight: 448.499
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: 5-Ethoxy-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-pentanoic acid ethyl ester(CAS DataBase Reference)
NIST Chemistry Reference: 5-Ethoxy-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-pentanoic acid ethyl ester(105197-78-2)
EPA Substance Registry System: 5-Ethoxy-3-oxo-2-(triphenyl-λ⁵-phosphanylidene)-pentanoic acid ethyl ester(105197-78-2)

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: 105197-78-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 105197-78-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,5,1,9 and 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 105197-78:
(8*1)+(7*0)+(6*5)+(5*1)+(4*9)+(3*7)+(2*7)+(1*8)=122
122 % 10 = 2
So 105197-78-2 is a valid CAS Registry Number.

105197-78-2Upstream product

105197-78-2Downstream Products

3733-18-4 4a-methyl-2,5-dioxo-2,3,4,4a,5,6,7,8-octahydro-[1]naphthoic acid ethyl ester

105197-78-2Relevant academic research and scientific papers

FACILE SYNTHESIS OF ALKYL 5-ALKOXY-3-OXOPENTANOATES

Sanchez, Ignacio H.,Larraza, Maria Isabel,Brena, Francisco Kuri,Cruz, Adrian,Sotelo, Octavio,Flores, Humberto J.

, p. 299 - 308 (2007/10/02)

A facile synthesis of several alkyl 5-alkoxy-3-oxopentanoates, based on the reductive elimination of triphenylphosphine from the readily available alkyl 5-alkoxy-3-oxo-2-(triphenylphosphoranylidene) pentanoates, is described.

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