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13140-76-6

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13140-76-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13140-76-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,1,4 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 13140-76:
(7*1)+(6*3)+(5*1)+(4*4)+(3*0)+(2*7)+(1*6)=66
66 % 10 = 6
So 13140-76-6 is a valid CAS Registry Number.

13140-76-6Relevant articles and documents

A mild and efficient procedure for the conversion of aromatic carboxylic esters to secondary amides

Arora, Revika,Paul, Satya,Gupta, Rajive

, p. 1137 - 1140 (2005)

A mild and efficient procedure has been developed for the conversion of aromatic carboxylic esters to secondary amides using reusable Zn dust with microwave heating in the presence of N,N-dimethylformamide or conventional heating by stirring in an oil bath using THF as solvent. Zn dust can be reused several times after simple washing with dil. HC1 and distilled water.

NOVEL AMIDE COMPOUNDS

-

, (2008/06/13)

A compound of the formula (I):R1-A-X-NHCO-Y-R2 ???whereinR1 is heterocyclic group which may have suitable substituents, or phenyl which may have suitable substituents,R2 is condensed phenyl which may have suitable substituents, phenyl which may have suitable substituents, or thienyl which may have suitable substituents,A is a group of the formula:-(CH2)t-(O)m- or in which R3 and R4 are each hydrogen or linked together to form imino,R5 is hydrogen or lower alkyl,t is 0, 1 or 2,p, m and n are each 0 or 1,X is phenylene which may have suitable substituents, or bivalent heterocyclic group containing nitrogen which may have suitable substituents,Y is bond, lower alkylene, or lower alkenylene, and a salt thereof.

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