501431-16-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501431-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,4,3 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 501431-16:
(8*5)+(7*0)+(6*1)+(5*4)+(4*3)+(3*1)+(2*1)+(1*6)=89
89 % 10 = 9
So 501431-16-9 is a valid CAS Registry Number.