683231-59-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683231-59-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,3,2,3 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 683231-59:
(8*6)+(7*8)+(6*3)+(5*2)+(4*3)+(3*1)+(2*5)+(1*9)=166
166 % 10 = 6
So 683231-59-6 is a valid CAS Registry Number.