Description

6-Desamino-6-Oxo Phenazopyridine is a key pharmaceutical intermediate and analytical reference standard. This compound is of significant value in the research and development of novel therapeutic agents and in quality control processes for related pharmaceutical products. It is primarily required by manufacturers and R&D laboratories in the pharmaceutical, biotechnology, and fine chemical sectors for synthesis and analytical applications.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of more complex active pharmaceutical ingredients (APIs) and their derivatives.
• Analytical Reference Standard: Used for method development, validation, and quality control testing (e.g., HPLC, LC-MS) in pharmaceutical analysis.
• Metabolite Studies: Serves as a reference compound in pharmacokinetic and drug metabolism research for related drug substances.
• Chemical Research: Employed in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Impurity Standard: Critical for identifying and quantifying process-related impurities in the manufacture of phenazopyridine-based pharmaceuticals.

Basic Information

Product Name	6-Desamino-6-Oxo Phenazopyridine
CAS No.	171863-96-0
Molecular Formula	C11H9N3O2
Molecular Weight	215.21 g/mol
Synonyms	6-Oxophenazopyridine; 2,6-Diamino-3-(phenylazo)pyridine-5-oxide; 3-(Phenylazo)-2,6-pyridinediamine 5-oxide; Phenazopyridine N-Oxide Derivative; 6-Desamino-6-oxo-Pyridium; 6-Oxo-2,6-diamino-3-(phenylazo)pyridine
EINECS	Contact for details

Quality Control

Our 6-Desamino-6-Oxo Phenazopyridine is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) upon request, supporting compliance with cGMP and other relevant pharmaceutical guidelines for intermediates and reference materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity: ≤ 0.5% Total impurities: ≤ 1.5%

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