65223-68-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65223-68-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,2,2 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 65223-68:
(7*6)+(6*5)+(5*2)+(4*2)+(3*3)+(2*6)+(1*8)=119
119 % 10 = 9
So 65223-68-9 is a valid CAS Registry Number.