676641-62-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 676641-62-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,7,6,6,4 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 676641-62:
(8*6)+(7*7)+(6*6)+(5*6)+(4*4)+(3*1)+(2*6)+(1*2)=196
196 % 10 = 6
So 676641-62-6 is a valid CAS Registry Number.