68351-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68351-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,3,5 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 68351-69:
(7*6)+(6*8)+(5*3)+(4*5)+(3*1)+(2*6)+(1*9)=149
149 % 10 = 9
So 68351-69-9 is a valid CAS Registry Number.