70171-04-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70171-04-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,1,7 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 70171-04:
(7*7)+(6*0)+(5*1)+(4*7)+(3*1)+(2*0)+(1*4)=89
89 % 10 = 9
So 70171-04-9 is a valid CAS Registry Number.