Cas 118891-01-3,5-<(methoxycarbonyl)methyl>-2-(methoxymethyl)cyclopent-2-enone

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Check Digit Verification of cas no

The CAS Registry Mumber 118891-01-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,9 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118891-01:
(8*1)+(7*1)+(6*8)+(5*8)+(4*9)+(3*1)+(2*0)+(1*1)=143
143 % 10 = 3
So 118891-01-3 is a valid CAS Registry Number.

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118891-01-3Relevant articles and documents

Studies for Control of the Ni(CO)4-Promoted Carbonylative Cycloaddition of Allyl Halides and Acetylenes

Camps, Francisco,Coll, Josep,Moreto, Josep M.,Torras, Josep

, p. 1969 - 1978 (2007/10/02)

The influence of solvent and substitution in either acetylenes or allyl halides on the title reaction has been studied.Whereas in the reaction with monosubstituted acetylenes acetone favors the formation of cyclic derivatives, methanol leads mainly to 3-a

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118891-01-3