6982-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6982-52-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,8 and 2 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 6982-52:
(6*6)+(5*9)+(4*8)+(3*2)+(2*5)+(1*2)=131
131 % 10 = 1
So 6982-52-1 is a valid CAS Registry Number.