268563-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 268563-92-4 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 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 268563-92:
(8*2)+(7*6)+(6*8)+(5*5)+(4*6)+(3*3)+(2*9)+(1*2)=184
184 % 10 = 4
So 268563-92-4 is a valid CAS Registry Number.