801228-29-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 801228-29-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,1,2,2 and 8 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 801228-29:
(8*8)+(7*0)+(6*1)+(5*2)+(4*2)+(3*8)+(2*2)+(1*9)=125
125 % 10 = 5
So 801228-29-5 is a valid CAS Registry Number.