855211-45-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855211-45-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,2,1 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 855211-45:
(8*8)+(7*5)+(6*5)+(5*2)+(4*1)+(3*1)+(2*4)+(1*5)=159
159 % 10 = 9
So 855211-45-9 is a valid CAS Registry Number.