68783-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68783-28-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,7,8 and 3 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 68783-28:
(7*6)+(6*8)+(5*7)+(4*8)+(3*3)+(2*2)+(1*8)=178
178 % 10 = 8
So 68783-28-8 is a valid CAS Registry Number.