855404-02-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855404-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,4,0 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 855404-02:
(8*8)+(7*5)+(6*5)+(5*4)+(4*0)+(3*4)+(2*0)+(1*2)=163
163 % 10 = 3
So 855404-02-3 is a valid CAS Registry Number.