909103-59-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909103-59-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,1,0 and 3 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 909103-59:
(8*9)+(7*0)+(6*9)+(5*1)+(4*0)+(3*3)+(2*5)+(1*9)=159
159 % 10 = 9
So 909103-59-9 is a valid CAS Registry Number.