4-aminoantipyrine

4-aminoantipyrine

[¦fȯr ə¦mē·nō‚an·tē¦pī‚rēn]
(pharmacology)
C11H13N3O Pale yellow crystals with a melting point of 109°C; soluble in water, benzene, and ethanol; used as an antipyretic and analgesic.
References in periodicals archive ?
Phenol and 4-aminoantipyrine are oxidized yielding quinoneimine, which has the maximum absorbance at 500 nm.
Indicator was quinoneimine, formed from hydrogen peroxide 4-aminoantipyrine and 4-chlorophenol under the catalytic influence of peroxidase.
Hydrogen peroxide further reacted with phenol and 4-aminoantipyrine by the catalytic action of peroxidase to form a red coloured quinoneimine dye complex that was measured against a known standard of glucose solution at 530 nm in a spectrophotometer.
Total cholesterol (CHOD-PAP method): Serum total cholesterol in Cholesterol was determined after enzymatic hydrolysis and oxidation, indicator quinoneimine is formed from hydrogen peroxide and 4-aminoantipyrine in the presence of phenol and peroxidase.
The reaction among gluconic acid, hydrogen peroxide, a phenolic compound and 4-aminoantipyrine forms a red-violet colored quinoneimine and the absorbance of the quinoneimine chromagen, measured by spectrophotometry, is directly associated with the amount of glucose in the sample.
Based on the reported chemical and biological importance of 4-aminoantipyrine and 2- aminopyridine we report herein the synthesis, analgesic and antioxidant activities of 4-amino antipyrine and 2-aminopyridine thiourea derivatives.
The indicator quinoneimine was formed from hydrogen peroxide and 4-aminoantipyrine in the presence of phenol and peroxidase.
The produced phenol is colorimetrically measured via oxidative coupling with 4-aminoantipyrine and potassium ferricyanide.
To determine uricase activity, the absorbance of quinoneimine dye formed by coupling with 4-aminoantipyrine, phenol, and peroxidase was measured at 505 nm by spectrophotometry.
Phenol concentration was measured spectrophoto-metrically (Thermo SCIENTIFIC EVOLUTION 220) as a complex with 4-aminoantipyrine.
A variety of substrates, including 4-aminoantipyrine, scopoletin, Amplex Red (N-acetyl3,7-dihydrophenoxazine), dichlorofluorescin diacetate (DCFDA), and homo-vanillic acid, are employed in these assays.