128228-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128228-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,2,2 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 128228-84:
(8*1)+(7*2)+(6*8)+(5*2)+(4*2)+(3*8)+(2*8)+(1*4)=132
132 % 10 = 2
So 128228-84-2 is a valid CAS Registry Number.