Cas 1200433-63-1,4,6-dimethyl-2,4-di-p-tolyl-octane-3,5-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 1200433-63-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,0,4,3 and 3 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1200433-63:
(9*1)+(8*2)+(7*0)+(6*0)+(5*4)+(4*3)+(3*3)+(2*6)+(1*3)=81
81 % 10 = 1
So 1200433-63-1 is a valid CAS Registry Number.

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1200433-63-1Relevant academic research and scientific papers

Synthesis of 1,3-diketones through ring-opening of ketoketene dimer β-lactones

Ibrahim, Ahmad A.,Smith, Stephen M.,Henson, Sarah,Kerrigan, Nessan J.

, p. 6919 - 6922 (2009)

The reaction of ketoketene dimers with organolithium reagents afforded 1,3-diketones in good to excellent yields, and with good diastereoselectivity in some cases.

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