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71208-83-8

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71208-83-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71208-83-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,2,0 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 71208-83:
(7*7)+(6*1)+(5*2)+(4*0)+(3*8)+(2*8)+(1*3)=108
108 % 10 = 8
So 71208-83-8 is a valid CAS Registry Number.

71208-83-8Relevant articles and documents

Preparation of Vinylic Sulphones by Peterson Olefination using Phenyl Trimethylsilylmethyl Sulphone

Craig, Donald,Ley, Steven V.,Simpkins, Nigel S.,Whitham, Gordon H.,Prior, Michael J.

, p. 1949 - 1952 (2007/10/02)

The anion generated from phenyl trimethylsilylmethyl sulphone using butyl-lithium in dimethoxyethane, readily reacts at -78 deg C with various carbonyl compounds to afford vinylic sulphones on work-up at room temperature.The reaction conditions are tolera

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