170227-63-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 170227-63-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,0,2,2 and 7 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 170227-63:
(8*1)+(7*7)+(6*0)+(5*2)+(4*2)+(3*7)+(2*6)+(1*3)=111
111 % 10 = 1
So 170227-63-1 is a valid CAS Registry Number.