131124-34-0 Usage
Chemical Description
Dimethyl acetylenedicarboxylate is an organic compound used as a dienophile in Diels-Alder reactions and as a building block in organic synthesis.
Check Digit Verification of cas no
The CAS Registry Mumber 131124-34-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,2 and 4 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131124-34:
(8*1)+(7*3)+(6*1)+(5*1)+(4*2)+(3*4)+(2*3)+(1*4)=70
70 % 10 = 0
So 131124-34-0 is a valid CAS Registry Number.