91859-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91859-03-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,8,5 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91859-03:
(7*9)+(6*1)+(5*8)+(4*5)+(3*9)+(2*0)+(1*3)=159
159 % 10 = 9
So 91859-03-9 is a valid CAS Registry Number.