232931-59-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 232931-59-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,2,9,3 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 232931-59:
(8*2)+(7*3)+(6*2)+(5*9)+(4*3)+(3*1)+(2*5)+(1*9)=128
128 % 10 = 8
So 232931-59-8 is a valid CAS Registry Number.