NOVEL COMPOUND, REAGENT COMPRISING THE COMPOUND FOR PEPTIDE OR PROTEIN ANALYSIS, AND METHOD OF ANALYSIS WITH THE ANALYTICAL REAGENT

摘要

A compound represented by the following formula (I), which is useful as a reagent with which the concentrations of a peptide and a protein can be efficiently and easily determined with high sensitivity; and a method of analysis in which a reagent comprising the compound is used. [Chemical formula 1] Formula (I) [In the formula, R<SUB>1</SUB> represents optionally substituted aryl or heteroaryl; R<SUB>3</SUB>, R<SUB>4</SUB>, R<SUB>5</SUB>, and R<SUB>6</SUB> each independently represents a member selected from the group consisting of a bond, hydrogen, C<SUB>1-10</SUB> alkyl, C<SUB>1-10</SUB> alkoxy, phenyl (the phenyl may be substituted by one or more groups selected among amino, halogeno, and nitro), amino, cyano, nitro, carboxy (or a salt, ester, or amide thereof), sulfo (or a salt, ester, or amide thereof), thiol, hydroxy (or a salt thereof), C<SUB>1-10</SUB> acyl, halogeno, and sugar; and n is an integer of 1-5.]