Description

4H,5H-Pyrano[4,3-B]Pyran-3-Carbonitrile, 2-Amino-4-(3-Hydroxyphenyl)-7-Methyl-5-Oxo- is a specialized heterocyclic organic compound featuring a fused pyranopyran core structure with amino, cyano, and hydroxyphenyl functional groups. This unique molecular architecture makes it a valuable advanced pharmaceutical intermediate and a versatile building block for synthetic organic chemistry. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used as a building block for developing new herbicides, fungicides, or insecticides, leveraging its complex heterocyclic scaffold.
• Material Science: Investigated for the development of organic electronic materials or specialty polymers due to its conjugated system and functional handles.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and the construction of complex molecular libraries.
• Dye & Pigment Synthesis: Potential intermediate for creating novel chromophores and fluorophores given its electron-rich aromatic system.

Basic Information

Product Name	4H,5H-Pyrano[4,3-B]Pyran-3-Carbonitrile, 2-Amino-4-(3-Hydroxyphenyl)-7-Methyl-5-Oxo-
CAS No.	220986-31-2
Molecular Formula	C₁₆H₁₄N₂O₄
Molecular Weight	298.30 g/mol
Synonyms	2-Amino-4-(3-hydroxyphenyl)-7-methyl-5-oxo-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile; 5-Oxo-2-amino-4-(3-hydroxyphenyl)-7-methyl-4H,5H-pyrano[4,3-b]pyran-3-carbonitrile; 220986-31-2; Pyrano[4,3-b]pyran-3-carbonitrile, 2-amino-4-(3-hydroxyphenyl)-7-methyl-5-oxo-4H,5H-; CAS 220986-31-2
EINECS	Contact for details

Quality Control

Every batch of this high-value intermediate is produced and tested under a strict quality management system. We ensure identity, purity, and consistency through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and/or moisture-sensitive; prolonged exposure to light, heat, or humidity should be avoided to maintain stability.

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)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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