171042-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171042-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,0,4 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 171042-66:
(8*1)+(7*7)+(6*1)+(5*0)+(4*4)+(3*2)+(2*6)+(1*6)=103
103 % 10 = 3
So 171042-66-3 is a valid CAS Registry Number.