501662-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 501662-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,0,1,6,6 and 2 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 501662-73:
(8*5)+(7*0)+(6*1)+(5*6)+(4*6)+(3*2)+(2*7)+(1*3)=123
123 % 10 = 3
So 501662-73-3 is a valid CAS Registry Number.
InChI:InChI=1/C6H7N3O2/c1-3-8-2-4(7)5(9-3)6(10)11/h2H,7H2,1H3,(H,10,11)