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109672-79-9

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109672-79-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109672-79-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,6,7 and 2 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 109672-79:
(8*1)+(7*0)+(6*9)+(5*6)+(4*7)+(3*2)+(2*7)+(1*9)=149
149 % 10 = 9
So 109672-79-9 is a valid CAS Registry Number.

109672-79-9Downstream Products

109672-79-9Relevant articles and documents

β'β ANIONIC ELIMINATION OF CARBOXYLIC ESTERS

Aubert, Corinne,Begue, Jean-Pierre,Biellmann, Jean-Francois

, p. 5581 - 5590 (1986)

The elimination of lithium, magnesium and aluminium enolates of isobutyrates of medium ring cyclanols occurs in a syn fashion.A set of experimental procedures is presented.This elimination seems to be restricted to strained systems.The stereochemistry has been determined on stereospecifically deuterated cyclooctanol isobutyrates.The primary isotope effect kH/k2 was 3.0 +/- 0.1 and the secondary 1.1.The name β'β elimination is proposed for this syn elimination and related elimination.

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