70171-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70171-50-5 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, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70171-50:
(7*7)+(6*0)+(5*1)+(4*7)+(3*1)+(2*5)+(1*0)=95
95 % 10 = 5
So 70171-50-5 is a valid CAS Registry Number.