722-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 722-09-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,2 and 2 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 722-09:
(5*7)+(4*2)+(3*2)+(2*0)+(1*9)=58
58 % 10 = 8
So 722-09-8 is a valid CAS Registry Number.