143578-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143578-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,5,7 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 143578-51:
(8*1)+(7*4)+(6*3)+(5*5)+(4*7)+(3*8)+(2*5)+(1*1)=142
142 % 10 = 2
So 143578-51-2 is a valid CAS Registry Number.
InChI:InChI=1/4C15H15INO.C10H16N2O8/c4*1-10-7-8-12-11-5-3-4-6-13(11)15(2,16-17)18-14(12)9-10;13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20/h4*3-9H,17H2,1-2H3;1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20)/q4*+1;/p-4