Description

Tyrosine-4-Azophenyltrimethylammonium Chloride is a specialized biochemical reagent, a derivative of the amino acid tyrosine. This compound is valued for its role as a chromogenic substrate and a key intermediate in the synthesis of diagnostic and research reagents. It is primarily utilized by manufacturers and research institutions in the life sciences sector for applications in enzyme-linked immunosorbent assays (ELISA), histochemistry, and biochemical research.

Application

• As a chromogenic substrate for the detection and quantification of alkaline phosphatase (ALP) activity in ELISA and other immunoassay formats.
• Used in the development and production of diagnostic kits for clinical and research laboratories.
• As a key chemical intermediate in the synthesis of more complex azo dyes and biochemical probes.
• In histological staining procedures for visualizing specific enzyme activities in tissue samples.
• For biochemical research involving tyrosine modification, enzyme kinetics, and signal transduction studies.
• Potential use in the manufacture of specialized reagents for molecular biology and cell biology applications.

Basic Information

Product Name	Tyrosine-4-Azophenyltrimethylammonium Chloride
CAS No.	38299-26-2
Molecular Formula	C18H23ClN4O3
Molecular Weight	378.85 g/mol
Synonyms	4-(4-Diazoniophenyl)diazenyl-L-tyrosine trimethylammonium chloride; L-Tyrosine, 4-[(4-trimethylammoniumphenyl)azo]-, chloride; p-(Phenylazo)-L-tyrosine trimethylammonium chloride; Tyrosine azo dye derivative; ALP Substrate; Alkaline Phosphatase Yellow (pNPP analog); Chromogenic ALP substrate; Diagnostic reagent intermediate
EINECS	Contact for details

Quality Control

Our Tyrosine-4-Azophenyltrimethylammonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for diagnostic and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is sealed tightly after each use to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder or crystalline solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residue on Ignition	≤ 1.0%
Solubility	Soluble in water, DMSO; slightly soluble in methanol

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.