1284292-44-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1284292-44-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,4,2,9 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1284292-44:
(9*1)+(8*2)+(7*8)+(6*4)+(5*2)+(4*9)+(3*2)+(2*4)+(1*4)=169
169 % 10 = 9
So 1284292-44-9 is a valid CAS Registry Number.
1284292-44-9Relevant articles and documents
Alkyl β-oxoalkanesulfonates: Synthesis and structure of methyl aroylmethanesulfonates
Efimova,Lipina,Kuz'Mina
, p. 462 - 465 (2013/08/23)
A number of new methyl esters of para-substituted benzoylmethanesulfonic acids was synthesized. An ability of both esters and salts to tautomeric transformations was examined. The esters were found to undergo an acid cleavage in alkaline medium.