51227-17-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51227-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,2 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 51227-17:
(7*5)+(6*1)+(5*2)+(4*2)+(3*7)+(2*1)+(1*7)=89
89 % 10 = 9
So 51227-17-9 is a valid CAS Registry Number.