267228-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 267228-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,7,2,2 and 8 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 267228-53:
(8*2)+(7*6)+(6*7)+(5*2)+(4*2)+(3*8)+(2*5)+(1*3)=155
155 % 10 = 5
So 267228-53-5 is a valid CAS Registry Number.