1017686-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1017686-97-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,7,6,8 and 6 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1017686-97:
(9*1)+(8*0)+(7*1)+(6*7)+(5*6)+(4*8)+(3*6)+(2*9)+(1*7)=163
163 % 10 = 3
So 1017686-97-3 is a valid CAS Registry Number.