Cas 317845-83-3,5-hydroxy-2-(3-phenyl-propyl)-penta-2,3-dienoic acid methyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 317845-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,8,4 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 317845-83:
(8*3)+(7*1)+(6*7)+(5*8)+(4*4)+(3*5)+(2*8)+(1*3)=163
163 % 10 = 3
So 317845-83-3 is a valid CAS Registry Number.

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317845-83-3Relevant academic research and scientific papers

Synthesis of δ-lactones from 2-alkynyl epoxides and 4-alkynyl-1,3-dioxolan-2-ones by palladium catalysed carbonylation and conjugate nucleophilic addition

Knight, Julian G.,Ainge, Simon W.,Baxter, Carl A.,Eastman, Timothy P.,Harwood, Simon J.

, p. 3188 - 3190 (2007/10/03)

Synthesis of δ-lactones from 2-alkynyl epoxides and 4-alkynyl-1,3-dioxolan-2-ones by palladium catalysed carbonylation and conjugate nucleophilic addition was investigated. The stereocontrolled conjugate addition of nucleophiles to the electron deficient

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