855403-62-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855403-62-2 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 3 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 855403-62:
(8*8)+(7*5)+(6*5)+(5*4)+(4*0)+(3*3)+(2*6)+(1*2)=172
172 % 10 = 2
So 855403-62-2 is a valid CAS Registry Number.