511309-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 511309-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,1,3,0 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 511309-73:
(8*5)+(7*1)+(6*1)+(5*3)+(4*0)+(3*9)+(2*7)+(1*3)=112
112 % 10 = 2
So 511309-73-2 is a valid CAS Registry Number.