42071-17-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42071-17-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,7 and 1 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42071-17:
(7*4)+(6*2)+(5*0)+(4*7)+(3*1)+(2*1)+(1*7)=80
80 % 10 = 0
So 42071-17-0 is a valid CAS Registry Number.