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2,4-Dinitrotoluene (DNT) or dinitro is an organic compound with the formula C 7 H 6 N 2 O 4. This pale yellow crystalline solid is well known as a precursor to trinitrotoluene (TNT) but is mainly produced as a precursor to toluene diisocyanate .
Frederick Sanger. In 1945, Frederick Sanger described its use for determining the N-terminal amino acid in polypeptide chains, in particular insulin. [4] Sanger's initial results suggested that insulin was a smaller molecule than previously estimated (molecular weight 12,000), and that it consisted of four chains (two ending in glycine and two ending in phenylalanine), with the chains cross ...
In chemistry, a chemical test is a qualitative or quantitative procedure designed to identify, quantify, or characterise a chemical compound or chemical group. Purposes
2,4-Dinitroanisole reacts without heat with a potassium cyanide solution to form a red coloured product via the isopurpuric acid reaction. In this cyanide is added in the meta position, and the ortho nitro group is reduced to -NHOH. [4] In alkaline conditions DNAN can be attacked at the methoxy position with nucleophiles to form Meisenheimer ...
The other branches of geography, most commonly limited to human geography and physical geography, can usually apply the concepts and techniques of technical geography. [2] [3] [5] However, the methods and theory are distinct, and a technical geographer may be more concerned with the technological and theoretical concepts than the nature of the ...
2,4-Dinitrophenylhydrazine (2,4-DNPH or DNPH) is the organic compound C 6 H 3 (NO 2) 2 NHNH 2. DNPH is a red to orange solid. It is a substituted hydrazine. The solid is relatively sensitive to shock and friction. For this reason DNPH is usually handled as a wet powder. DNPH is a precursor to the drug Sivifene.
Bioanalysis is a sub-discipline of analytical chemistry covering the quantitative measurement of xenobiotics (drugs and their metabolites, and biological molecules in unnatural locations or concentrations) and biotics (macromolecules, proteins, DNA, large molecule drugs, metabolites) in biological systems.
Burger's medicinal Chemistry and Drug Discovery. Vol. 1 (6th ed.). New York: Wiley. pp. 1– 48. ISBN 978-0-471-27401-8. Shityakov S, Puskás I, Roewer N, Förster C, Broscheit J (2014). "Three-dimensional quantitative structure-activity relationship and docking studies in a series of anthocyanin derivatives as cytochrome P450 3A4 inhibitors".