10317-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 10317-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,0,3,1 and 7 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 10317-86:
(7*1)+(6*0)+(5*3)+(4*1)+(3*7)+(2*8)+(1*6)=69
69 % 10 = 9
So 10317-86-9 is a valid CAS Registry Number.