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77131-95-4

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77131-95-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77131-95-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,1,3 and 1 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77131-95:
(7*7)+(6*7)+(5*1)+(4*3)+(3*1)+(2*9)+(1*5)=134
134 % 10 = 4
So 77131-95-4 is a valid CAS Registry Number.

77131-95-4Relevant articles and documents

REACTION DU CHLOROALLYLLITHIUM ET DU gem-CHLORO(METHYL)ALLYLLITHIUM SUR LES ESTERS: NOUVELLE METHODE DE SYNTHESE DE CETONES CHLOREES ETHYLENIQUES ET D'ACYLOINES ETHYLENIQUES

Mauze, B.,Doucoure, A.,Miginiac, I.

, p. 1 - 8 (2007/10/02)

Chloroallyllithium and gem-chloro(methyl)allyllithium readily react with aliphatic and aromatic esters to produce α- and γ-chlorinated α- and β-ethylenic ketones, and α-ethylenic acyloins, according to the hydrolysis conditions.

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