5306-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5306-80-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,3,0 and 6 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5306-80:
(6*5)+(5*3)+(4*0)+(3*6)+(2*8)+(1*0)=79
79 % 10 = 9
So 5306-80-9 is a valid CAS Registry Number.
InChI:InChI=1/C8H7Cl4N3O4S2.K/c9-3-1-4-6(2-5(3)20(13,16)17)21(18,19)15-7(14-4)8(10,11)12;/h1-2,7,14-15H,(H2,13,16,17);/q;+1