Cas 1246923-22-7,2-(4-chloro-2,6-bis((E)-3-ethoxy-3-oxoprop-1-enyl)phenyl)-3-methylbutanoic acid

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Check Digit Verification of cas no

The CAS Registry Mumber 1246923-22-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,9,2 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1246923-22:
(9*1)+(8*2)+(7*4)+(6*6)+(5*9)+(4*2)+(3*3)+(2*2)+(1*2)=157
157 % 10 = 7
So 1246923-22-7 is a valid CAS Registry Number.

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1246923-22-7Relevant academic research and scientific papers

Constructing multiply substituted arenes using sequential palladium(II)-catalyzed C-H olefination

Engle, Keary M.,Wang, Dong-Hui,Yu, Jin-Quan

supporting information; experimental part, p. 6169 - 6173 (2010/11/18)

A balancing act: Complementary catalytic systems are described, in which the reactivity/selectivity balance in PdII-catalyzed ortho-C=H olefination can be modulated to enable sequential C=H functionalization for the rapid preparation of 1,2,3- trisubstituted arenes 1. Additionally, a rare example of iterative C=H activation, in which a newly installed functional group directs subsequent C=H activation has been demonstrated (2).

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