Description

5-Amino-1H-Isochromen-1-One is a versatile heterocyclic organic compound featuring a fused isochromenone core with an amino substituent. This structure makes it a valuable key intermediate and building block in advanced organic synthesis, particularly for creating complex molecular architectures. It is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for the development of active pharmaceutical ingredients (APIs) and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific biological activity profiles.
• Agrochemical Research: Serves as a building block for developing new active ingredients in crop protection and pest management formulations.
• Dye and Pigment Synthesis: Used in the production of specialized dyes and organic pigments due to its chromophoric isochromenone structure.
• Material Science: Acts as a monomer or functional additive in the research of advanced polymers and organic electronic materials.
• Academic & Industrial Research: Employed in chemical libraries and as a standard for method development in analytical chemistry laboratories.

Basic Information

Product Name	5-Amino-1H-Isochromen-1-One
CAS No.	70758-25-7
Molecular Formula	C9H7NO2
Molecular Weight	161.16 g/mol
Synonyms	5-Aminoisochromen-1-one; 5-Amino-1H-2-benzopyran-1-one; 1H-Isochromen-1-one, 5-amino-; 5-Amino-1H-isochromen-1-one; 5-Amino-1H-2-benzopyran-1-one; 5-Amino-1H-isochromen-1-one; 70758-25-7 (CAS)
EINECS	Contact for details

Quality Control

Our 5-Amino-1H-Isochromen-1-One is manufactured under strict quality management protocols. Each 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 relevant specifications. Our quality systems are designed to support cGMP and ISO standards for traceability and reliability.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
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.