712280-99-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 712280-99-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,2,2,8 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 712280-99:
(8*7)+(7*1)+(6*2)+(5*2)+(4*8)+(3*0)+(2*9)+(1*9)=144
144 % 10 = 4
So 712280-99-4 is a valid CAS Registry Number.