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130252-11-8

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130252-11-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 130252-11-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,2,5 and 2 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 130252-11:
(8*1)+(7*3)+(6*0)+(5*2)+(4*5)+(3*2)+(2*1)+(1*1)=68
68 % 10 = 8
So 130252-11-8 is a valid CAS Registry Number.

130252-11-8Downstream Products

130252-11-8Relevant articles and documents

SUBSTITUTION NUCLEOPHILE D'ACETATES DE CYCLENOLS ALLYLIQUES FONCTIONNELS PAR DES ORGANOMETALLIQUES EN PRESENCE DE SELS CUIVREUX. APPLICATION A UNE SYNTHESE RAPIDE DE LA (+/-) MITSUGASHIWALACTONE

Amri, Hassen,Rambaud, Monoque,Villieras, Jean

, p. 3535 - 3546 (2007/10/02)

Substitution of functional allylic cycloalkenol acetates by Grignard reagents (primary, secondary, tertiary-alkyl, vinyl, aryl) in the presence of a catalytic amount (2.5percent equivalent) of cuprous iodide at low temperature, gives high yields of various functional α-substituted cycloalkenes.The reaction can be applied to lithium enolates of esters and need no catalyst, but may be performed with HMPA as cosolvent.It is illustrated by a short (6 steps) and efficient total selective synthesis of (+/-)-mitsugashiwalactone from 2,5-dimethoxytetrahydrofuran with 33percent overall yield.

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