65568-72-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65568-72-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,5,6 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 65568-72:
(7*6)+(6*5)+(5*5)+(4*6)+(3*8)+(2*7)+(1*2)=161
161 % 10 = 1
So 65568-72-1 is a valid CAS Registry Number.