Description

4-Hydroxy-3-(1-Oxobutyl)-2H-1-Benzopyran-2-One is a specialized organic compound belonging to the coumarin derivative family. This chemical serves as a crucial synthetic intermediate and building block in advanced organic synthesis, valued for its specific molecular framework. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a precursor for synthesizing complex organic molecules, dyes, and functional materials.
• Biochemical Research: Employed in biochemical studies and as a standard or reagent in analytical laboratories.
• Material Science: Investigated for potential applications in the development of organic electronic materials and photoresponsive polymers.

Basic Information

Product Name	4-Hydroxy-3-(1-Oxobutyl)-2H-1-Benzopyran-2-One
CAS No.	4139-74-6
Molecular Formula	C₁₃H₁₂O₄
Molecular Weight	232.23 g/mol
Synonyms	3-Butyryl-4-hydroxycoumarin; 4-Hydroxy-3-butyrylcoumarin; 3-(1-Oxobutyl)-4-hydroxy-2H-chromen-2-one; NSC 163022; 4-Hydroxy-3-butyryl-2H-chromen-2-one; Warfarin Intermediate; 3-Butanoyl-4-hydroxy-2H-chromen-2-one
EINECS	223-945-4

Quality Control

Our 4-Hydroxy-3-(1-Oxobutyl)-2H-1-Benzopyran-2-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for research and regulated production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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