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Chromogenic Compounds

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Definition: Colorless, endogenous or exogenous pigment precursors that may be transformed by biological mechanisms into colored compounds; used in biochemical assays and in diagnosis as indicators, especially in the form of enzyme substrates. Synonym: chromogens (not to be confused with pigment-synthesizing bacteria also called chromogens).  "colorless ... precursors that may be transformed ... into colored cpds; used in biochem assays & ... as indicators"; D25-26 qualif; DF: CHROMOGENIC CPDS    Other names Chromogenic Substrates; Substrates, Chromogenic; Compounds, Chromogenic
Substances having this pharmacologic action: valyl-leucyl-lysine 4-nitroanilide; S 2238; prolyl-phenylalanyl-arginine-4-nitroanilide; 4-(2-pyridylazo)resorcinol; Val-Leu-Arg-p-nitroanilide; isoleucyl-prolyl-arginine-4-nitroanilide; 4-(4-nitrobenzyl)pyridine; nitrophenylphosphate; diacetylmonoxime; Quantum Dots; Benzoylarginine Nitroanilide; 3,3',5,5'-tetramethylbenzidine; chromozym TH; succinyl-trialanine-4-nitroanilide; bathophenanthroline disulfonic acid; 5-bromo-4-chloro-3-indolyl beta-galactoside
 
SubstanceCAS Registry & nameCategoriesSourceDrugs*
blue ciello  0   Organic Chemicals Chromogenic Compounds. Ann Clin Biochem 1994 Nov;31(Pt 6):583-5
indophane blue  0   Organic Chemicals Chromogenic Compounds. Brain Res Bull 1990;25(3):393
S 2423  85205-64-7   Organic Chemicals Chromogenic Compounds. Eur J Clin Microbiol 1985;4(1):52
hide powder azure  37340-54-8   Organic Chemicals Chromogenic Compounds. Exp Parasitol 1984;58(3):245

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Sources: NLM Medical Subject Headings, NIH UMLS, Drugs@FDA, FDA AERS original data copyright United States Government. No endorsement implied. Last modified 6/6/2012
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