855906-25-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 855906-25-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,9,0 and 6 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 855906-25:
(8*8)+(7*5)+(6*5)+(5*9)+(4*0)+(3*6)+(2*2)+(1*5)=201
201 % 10 = 1
So 855906-25-1 is a valid CAS Registry Number.