68278-99-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68278-99-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,7 and 8 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68278-99:
(7*6)+(6*8)+(5*2)+(4*7)+(3*8)+(2*9)+(1*9)=179
179 % 10 = 9
So 68278-99-9 is a valid CAS Registry Number.