170685-28-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170685-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,6,8 and 5 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 170685-28:
(8*1)+(7*7)+(6*0)+(5*6)+(4*8)+(3*5)+(2*2)+(1*8)=146
146 % 10 = 6
So 170685-28-6 is a valid CAS Registry Number.