172845-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172845-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,8,4 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 172845-80:
(8*1)+(7*7)+(6*2)+(5*8)+(4*4)+(3*5)+(2*8)+(1*0)=156
156 % 10 = 6
So 172845-80-6 is a valid CAS Registry Number.