63981-06-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63981-06-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,9,8 and 1 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 63981-06:
(7*6)+(6*3)+(5*9)+(4*8)+(3*1)+(2*0)+(1*6)=146
146 % 10 = 6
So 63981-06-6 is a valid CAS Registry Number.