68553-56-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68553-56-0 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 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 68553-56:
(7*6)+(6*8)+(5*5)+(4*5)+(3*3)+(2*5)+(1*6)=160
160 % 10 = 0
So 68553-56-0 is a valid CAS Registry Number.