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3454-81-7

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3454-81-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3454-81-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,4,5 and 4 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 3454-81:
(6*3)+(5*4)+(4*5)+(3*4)+(2*8)+(1*1)=87
87 % 10 = 7
So 3454-81-7 is a valid CAS Registry Number.

3454-81-7Relevant articles and documents

Pd(II)-catalyzed enantioselective C-H activation of cyclopropanes

Wasa, Masayuki,Engle, Keary M.,Lin, David W.,Yoo, Eun Jeong,Yu, Jin-Quan

, p. 19598 - 19601 (2012/01/17)

Systematic ligand development has led to the identification of novel mono-N-protected amino acid ligands for Pd(II)-catalyzed enantioselective C-H activation of cyclopropanes. A diverse range of organoboron reagents can be used as coupling partners, and the reaction proceeds under mild conditions. These results provide a new retrosynthetic disconnection for the construction of enantioenriched cis-substituted cyclopropanecarboxylic acids.

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