19655-68-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19655-68-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,5 and 5 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 19655-68:
(7*1)+(6*9)+(5*6)+(4*5)+(3*5)+(2*6)+(1*8)=146
146 % 10 = 6
So 19655-68-6 is a valid CAS Registry Number.