Description

3H-2-Benzopyran-3-One, 4-Amino-1,4-Dihydro- is a specialized heterocyclic organic compound belonging to the benzopyranone class. This chemical serves as a crucial synthetic intermediate and building block in advanced organic synthesis, valued for its unique fused-ring structure and amino functionality. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing novel active compounds.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, particularly in central nervous system (CNS) and cardiovascular research.
• Agrochemical Synthesis: Used in the research and development of new pesticides and herbicides, leveraging its heterocyclic core.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other high-value specialty chemicals.
• Academic & Industrial R&D: Employed in organic chemistry research for method development and the creation of novel chemical libraries.
• Material Science: Investigated as a monomer or additive for advanced polymeric materials with specific optical or electronic properties.

Basic Information

Item	Detail
Product Name	3H-2-Benzopyran-3-One, 4-Amino-1,4-Dihydro-
CAS No.	83864-43-1
Molecular Formula	C9H7NO2
Molecular Weight	161.16 g/mol
Synonyms	4-Amino-1,4-dihydro-3H-2-benzopyran-3-one; 4-Aminoisochroman-3-one; 4-Amino-3H-isochromen-3-one; 4-Amino-3H-2-benzopyran-3-one; 4-Amino-1,4-dihydroisochromen-3-one; 4-Amino-3,4-dihydro-1H-2-benzopyran-3-one; 4-Aminophthalide derivative; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our 3H-2-Benzopyran-3-One, 4-Amino-1,4-Dihydro- is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing purity (typically by HPLC), physical characteristics, and impurity profiles 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 place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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