Description

4-Hydroxy-2H-1,4-benzoxazin-3(4H)-one is a significant heterocyclic compound belonging to the benzoxazinone class, serving as a versatile synthetic intermediate and a key structural motif in bioactive molecules. Its value lies in its role as a crucial building block for the development of novel pharmaceuticals, agrochemicals, and advanced materials. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new compounds with potential biological activity.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various drug candidates, particularly those targeting neurological or anti-inflammatory pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive benzoxazinone core.
• Organic Synthesis Building Block: Employed in heterocyclic and medicinal chemistry for constructing complex molecular architectures.
• Biochemical Research: Utilized in studies of plant defense mechanisms, as benzoxazinones are natural products with allelopathic properties.
• Material Science: Investigated as a monomer or additive for creating specialized polymers with unique properties.

Basic Information

Product Name	4-Hydroxy-2H-1,4-benzoxazin-3(4H)-one
CAS No.	771-26-6
Molecular Formula	C8H7NO3
Molecular Weight	165.15 g/mol
Synonyms	4-Hydroxy-2H-1,4-benzoxazin-3-one; 4-Hydroxy-3H-1,4-benzoxazin-3-one; HBOA; 2,4-Dihydroxy-1,4-benzoxazin-3-one; 4-Hydroxy-2H-1,4-benzoxazine-3(4H)-one; 4-Hydroxy-3H-1,4-benzoxazin-3(4H)-one; 771-26-6; 4-Hydroxybenzoxazinone
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-2H-1,4-benzoxazin-3(4H)-one is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency, meeting the high standards required for research and industrial synthesis. Certificates of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and residual solvents are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.0%

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