Description

Aurintricarboxylic Acid is a triphenylmethane dye derivative known for its distinctive colorimetric properties and biological activity. This compound serves as a critical reagent in biochemical research, particularly as a potent and selective inhibitor of protein-nucleic acid interactions. It is essential for laboratories and manufacturers in the life sciences sector requiring precise molecular tools. The product is supplied as Aurintricarboxylic Acid CAS NO 4431-00-9 to ensure traceability and quality assurance for global research and development applications.

Application

• Biochemical Research: Used as a specific inhibitor of nucleases, topoisomerases, and other enzymes that interact with DNA or RNA.
• Virology Studies: Employed to investigate viral replication processes by inhibiting protein-nucleic acid binding events.
• Diagnostic Reagent Manufacturing: Acts as a key component in the formulation of certain colorimetric assay kits and staining solutions.
• Apoptosis Research: Utilized in studies of programmed cell death due to its ability to modulate specific intracellular pathways.
• Material Science: Investigated for potential use in dye-sensitized systems and as a colorant for specialized industrial applications.
• Quality Control (QC) Standards: Serves as a reference standard in pharmaceutical and biotechnology quality control laboratories.

Basic Information

Product Name	Aurintricarboxylic Acid
CAS No.	4431-00-9
Molecular Formula	C22H14O9
Molecular Weight	422.34 g/mol
Synonyms	Aluminon; Ammonium aurintricarboxylate; 5-[(3-Carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxybenzoic acid; ATA; Acid Aluminon; C.I. 43810; NSC 405124; Aurintricarboxylic acid, ammonium salt
EINECS	224-622-4

Quality Control

Our Aurintricarboxylic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identification, purity assay, and impurity profiling, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee batch-to-batch consistency and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. The product is light-sensitive and should be stored away from light to maintain stability.

Specification

Item	Specification
Appearance	Reddish-brown to dark brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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