The chemical "2-{[5-(2,4-dinitro-anilino)-penta-2,4-dienylidene]-hydrazino}-4-methyl-thiazole-5-carboxylic acid ethyl ester" is a complex organic compound with a molecular formula of C18H18N6O6S. It is characterized by a thiazole ring, which is substituted with a methyl group at the 4-position and a carboxylic acid group at the 5-position. The carboxylic acid is further esterified with an ethyl group. The molecule also features a hydrazino group attached to a penta-2,4-dienylidene moiety, which is in turn connected to a 2,4-dinitro-anilino group. 2-{[5-(2,4-dinitro-anilino)-penta-2,4-dienylidene]-hydrazino}-4-methyl-thiazole-5-carboxylic acid ethyl ester is known for its potential applications in pharmaceuticals and agrochemicals, particularly as an antimicrobial agent. Its structure provides it with a range of biological activities, making it a subject of interest in the field of medicinal chemistry.
The CAS Registry Mumber 6823-14-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,8,2 and 3 respectively; the second part has 2 digits, 1 and 4 respectively. Calculate Digit Verification of CAS Registry Number 6823-14: (6*6)+(5*8)+(4*2)+(3*3)+(2*1)+(1*4)=99 99 % 10 = 9 So 6823-14-9 is a valid CAS Registry Number.