82691-63-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82691-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,6,9 and 1 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 82691-63:
(7*8)+(6*2)+(5*6)+(4*9)+(3*1)+(2*6)+(1*3)=152
152 % 10 = 2
So 82691-63-2 is a valid CAS Registry Number.