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812699-71-1

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812699-71-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 812699-71-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,2,6,9 and 9 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 812699-71:
(8*8)+(7*1)+(6*2)+(5*6)+(4*9)+(3*9)+(2*7)+(1*1)=191
191 % 10 = 1
So 812699-71-1 is a valid CAS Registry Number.

812699-71-1Relevant articles and documents

Stereochemistry of Addition of Allyl Grignard Reagents to (R)-(+)-Pulegone and Other α,β-Ethylenic Ketones

Idrissi, Mostafa El,Santelli, Maurice

, p. 1010 - 1016 (2007/10/02)

The 1,2-addition of allyl, crotyl, and 2-methyl-2-butenyl Grignard reagents to (R)-(+)-pulegone is regio- and stereoselective.In contrast 3-penten-2-yl and 3-methyl-2-butenyl Grignard reagents undergo 1,2- and 1,4-additions.A "compact approach" stabilized by orbital interaction is the proposed mechanism.A further confirmation was obtained with acyclic enones.

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