20176-50-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20176-50-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,1,7 and 6 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 20176-50:
(7*2)+(6*0)+(5*1)+(4*7)+(3*6)+(2*5)+(1*0)=75
75 % 10 = 5
So 20176-50-5 is a valid CAS Registry Number.