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2-Nitrophenylhydrazine: A selective reagent for colorimetric determination of carboxylic acid anhydrides and chlorides

✍ Scribed by James W. Munson


Publisher
John Wiley and Sons
Year
1974
Tongue
English
Weight
692 KB
Volume
63
Category
Article
ISSN
0022-3549

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A highly sensitive fluorescent labeling reagent, 4-(5,6-dimethoxy-2-phthalimidinyl)-2-methoxyphenylsulfonyl chloride (DMS-Cl), for determination of amino acids by HPLC has been developed. DMS-Cl reacted with amino acids in the basic medium to produce the corresponding fluorescent sulfonamides (excit