Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1989-08-30
1991-08-20
Raymond, Richard L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
560 27, 560 34, 562 48, 562430, 584 42, 584 45, C07C27120, C07C22936
Patent
active
050416367
ABSTRACT:
Urea derivatives of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently a 4-disubstituted aminoaryl group or the like, and R.sup.3 is a carboxyalkyl group or the like, is soluble in water and effective as a color producing reagent for determining hydrogen peroxide or the like or the activity of peroxidase.
Hashidume Kazunari
Iwata Tsutomu
Kida Masaaki
Mukai Toyoharu
Sakata Yoshitsugu
Raymond Richard L.
Wako Pure Chemical Industries Ltd.
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