For further processing only. Others 4-Aminoantipyrine 4-APP 4-Aminoantipyrine (4-APP) 3.2.9.3.4.1 crystalline powder 10073474103 4-Aminoantipyrine 4-Aminoantipyrine (4-APP) Reagents, kits custom fill Not Available CustomBiotech product. Please contact your local representative. Will be supplied as "4-Aminoantipyrine". Unit of measure is "kg". 83-07-8 en Use 4-Aminoantipyrine in a variety of diagnostic tests that use the Trinder reaction for the colorimetric determination of analytes, such as for the determination of cholesterol, glucose, creatinine or uric acid. en Substrate for peroxidase en Appearance: Yellow to redish brown, crystalline powder Solubility: Clear, colorless solution in water (c=0.1%, w/v) Melting range: +106 to +109°C A 370 (c=0.1%, w/v): ≤0.04 UV-spectrum (c=0.002%, w/v): Corresponds to reference Maximum: 242-246 nm Minimum: 217-219 nm Shoulder: 274 nm Heavy metals (as Pb): ≤5 ppm ≙ 0.0005% IR-spectrum: Corresponds to reference 4-Aminoantipyrine (HClO4-titration, based on undried substance): ≥98.0% Purity (HPLC): ≥99.0 area% Stability: At +15 to +40°C within specification range for 36 months. Store dry in tightly closed containers. en