268566-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 268566-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,8,5,6 and 6 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 268566-64:
(8*2)+(7*6)+(6*8)+(5*5)+(4*6)+(3*6)+(2*6)+(1*4)=189
189 % 10 = 9
So 268566-64-9 is a valid CAS Registry Number.