Description

9-Chloro-5-Oxo-5H-[1]Benzopyrano[2,3-B]Pyridine-7-Carbonitrile is a high-purity, advanced pharmaceutical intermediate characterized by its fused heterocyclic structure. This compound is of significant commercial importance as a key building block in the synthesis of complex active pharmaceutical ingredients (APIs) and fine chemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel therapeutic agents and high-value chemical products.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for biological activity.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex polycyclic frameworks due to its reactive chloro and cyano functional groups.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials and dyes, given its conjugated benzopyranopyridine structure.
• Chemical Reference Standard: Supplied to analytical laboratories for use as a high-purity standard in method development and quality control testing.

Basic Information

Product Name	9-Chloro-5-Oxo-5H-[1]Benzopyrano[2,3-B]Pyridine-7-Carbonitrile
CAS No.	59595-39-0
Molecular Formula	C₁₃H₅ClN₂O₂
Molecular Weight	256.64 g/mol
Synonyms	9-Chloro-5-oxo-5H-[1]benzopyrano[2,3-b]pyridine-7-carbonitrile; 7-Cyano-9-chloro-5H-[1]benzopyrano[2,3-b]pyridin-5-one; 9-Chloro-5-oxo-5H-benzo[h]chromeno[2,3-b]pyridine-7-carbonitrile; 9-Chloro-7-cyano-5H-benzo[6,7]chromeno[2,3-b]pyridin-5-one; 59595-39-0; 9-Chloro-5-oxo-5H-[1]benzopyrano[2,3-b]pyridine-7-carbonitrile; 9-Chloro-5-oxo-5H-[1]benzopyrano[2,3-B]pyridine-7-carbonitrile
EINECS	Contact for details

Quality Control

Our 9-Chloro-5-Oxo-5H-[1]Benzopyrano[2,3-B]Pyridine-7-Carbonitrile is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP principles where applicable, ensuring reliability for your most demanding synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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