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131653-71-9

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131653-71-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131653-71-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,6,5 and 3 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131653-71:
(8*1)+(7*3)+(6*1)+(5*6)+(4*5)+(3*3)+(2*7)+(1*1)=109
109 % 10 = 9
So 131653-71-9 is a valid CAS Registry Number.

131653-71-9Downstream Products

131653-71-9Relevant articles and documents

Synthesis of 3-Amino-4-phenylpyridines: a Novel Strategy for the Preparation of CD Ring Models of Streptonigrin

Marsais, Francis,Rovera, Jean-Claude,Turck, Alain,Godard, Alain,Queguiner, Guy

, p. 2611 - 2612 (2007/10/02)

An efficient synthesis of 3-amino-4-phenylpyridine derivatives is reported. 3-Pivaloylaminopyridines were lithiated by butyl-lithium before reaction with iodine as electrophile to afford 4-iodo-3-pivaloylaminopyridines.Cross-coupling of the latter with su

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