5028-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5028-81-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,2 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 5028-81:
(6*5)+(5*0)+(4*2)+(3*8)+(2*8)+(1*1)=79
79 % 10 = 9
So 5028-81-9 is a valid CAS Registry Number.
InChI:InChI=1/C13H16N2O2S/c1-10(16)14-13-15(7-8-18-13)9-12(17)11-5-3-2-4-6-11/h2-6,12,17H,7-9H2,1H3/b14-13-