Cas 138823-89-9,Pyridine, 4-[(2-bromophenyl)methyl]-3-methyl-

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Check Digit Verification of cas no

The CAS Registry Mumber 138823-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,8,2 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 138823-89:
(8*1)+(7*3)+(6*8)+(5*8)+(4*2)+(3*3)+(2*8)+(1*9)=159
159 % 10 = 9
So 138823-89-9 is a valid CAS Registry Number.

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138823-89-9Relevant academic research and scientific papers

Regio- and chemoselective addition of mixed copper, zinc benzylic organometallics to functionalized pyridinium salts: A facile synthesis of functionalized 4-benzylpyridines

Shing,Chia,Shiao,Chau

, p. 849 - 850 (2007/10/02)

2',3-Disubstituted 4-benzylpyridines 4 were synthesized in good yield by reaction of mixed copper, zinc benzylic organometallics 1 with 3-substituted 1-(ethoxycarbonyl)pyridinium chlorides 2 followed by sulfur oxidation under reflux in decalin.

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