905291-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 905291-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,5,2,9 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 905291-16:
(8*9)+(7*0)+(6*5)+(5*2)+(4*9)+(3*1)+(2*1)+(1*6)=159
159 % 10 = 9
So 905291-16-9 is a valid CAS Registry Number.