908591-97-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 908591-97-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,8,5,9 and 1 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 908591-97:
(8*9)+(7*0)+(6*8)+(5*5)+(4*9)+(3*1)+(2*9)+(1*7)=209
209 % 10 = 9
So 908591-97-9 is a valid CAS Registry Number.