Cas 84803-38-3,3-chloro-1,1,3,5,5-pentaphenylpentane

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Check Digit Verification of cas no

The CAS Registry Mumber 84803-38-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,8,0 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 84803-38:
(7*8)+(6*4)+(5*8)+(4*0)+(3*3)+(2*3)+(1*8)=143
143 % 10 = 3
So 84803-38-3 is a valid CAS Registry Number.

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84803-38-3Relevant academic research and scientific papers

Scope and Limitations of Aliphatic Friedel-Crafts Alkylations. Lewis Acid Catalyzed Addition Reactions of Alkyl Chlorides to Carbon-Carbon Double Bonds

Mayr, Herbert,Striepe, Wilhelm

, p. 1159 - 1165 (1983)

Lewis acid catalyzed addition reactions of alkyl halides 1 with unsaturated hydrocarbons 2 have been studied. 1:1 addition products 3 are formed if the addends 1 dissociate faster than the corresponding products 3; otherwise, polymerization of 2 takes place.For reaction conditions under which 1 and 3 exist mainly undissociated, solvolysis constants of model compounds can be used to predict the outcome of any such addition reactions if systems with considerable steric hindrance are excluded.

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