31158-53-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 31158-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,1,5 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31158-53:
(7*3)+(6*1)+(5*1)+(4*5)+(3*8)+(2*5)+(1*3)=89
89 % 10 = 9
So 31158-53-9 is a valid CAS Registry Number.
31158-53-9Relevant articles and documents
Methyl 2,6-dicarboxybenzoate
Dale, Sophie H.,Elsegood, Mark R.J.
, p. o165-o166 (2003)
Regioselective methylation of hemimellitic acid in basic MeOH yields the title 2-methyl ester, C10H8O6, of the parent acid. The asymmetric unit contains one complete molecule, which packs with the methyl ester groups lying
