68554-60-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68554-60-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,5 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68554-60:
(7*6)+(6*8)+(5*5)+(4*5)+(3*4)+(2*6)+(1*0)=159
159 % 10 = 9
So 68554-60-9 is a valid CAS Registry Number.