855199-89-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855199-89-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,1,9 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 855199-89:
(8*8)+(7*5)+(6*5)+(5*1)+(4*9)+(3*9)+(2*8)+(1*9)=222
222 % 10 = 2
So 855199-89-2 is a valid CAS Registry Number.