680223-73-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 680223-73-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,0,2,2 and 3 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 680223-73:
(8*6)+(7*8)+(6*0)+(5*2)+(4*2)+(3*3)+(2*7)+(1*3)=148
148 % 10 = 8
So 680223-73-8 is a valid CAS Registry Number.