Description

2H-1-Benzopyran-8-Carboxylicacid,4-Amino-3,4-Dihydro-,Methylester,(+)-(9Ci) is a high-purity chiral intermediate belonging to the benzopyran class of organic compounds. This compound is valued for its defined stereochemistry and functional groups, making it a critical building block in advanced synthetic chemistry. It is primarily sought by research and development teams in the pharmaceutical and fine chemical industries for the synthesis of novel active pharmaceutical ingredients (APIs) and complex organic molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new therapeutic agents, particularly in central nervous system (CNS) and cardiovascular drug candidates.
• Fine Chemical Synthesis: Used as a precursor in multi-step organic synthesis to construct complex heterocyclic frameworks and natural product analogs.
• Asymmetric Catalysis Research: Serves as a substrate or ligand precursor in studies exploring new catalytic methodologies for enantioselective synthesis.
• Chemical Reference Standard: Employed as a high-purity analytical standard for method development and quality control in laboratories.
• Academic & Institutional Research: Utilized in university and institutional labs for fundamental studies in medicinal chemistry and organic synthesis.

Basic Information

Item	Details
Product Name	2H-1-Benzopyran-8-Carboxylicacid,4-Amino-3,4-Dihydro-,Methylester,(+)-(9Ci)
CAS No.	325153-02-4
Molecular Formula	C11H13NO3
Molecular Weight	207.23 g/mol
Synonyms	(+)-4-Amino-3,4-dihydro-2H-1-benzopyran-8-carboxylic acid methyl ester; Methyl (4R)-4-amino-3,4-dihydro-2H-chromene-8-carboxylate; (R)-Methyl 4-amino-3,4-dihydro-2H-chromene-8-carboxylate; 4-Amino-3,4-dihydro-2H-1-benzopyran-8-carboxylic acid methyl ester, (+)-; 325153-02-4; Benzopyran carboxylic acid ester derivative
EINECS	Contact for details

Quality Control

Our production of 2H-1-Benzopyran-8-Carboxylicacid,4-Amino-3,4-Dihydro-,Methylester,(+)-(9Ci) adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. All material is characterized by advanced analytical techniques including HPLC, NMR, and chiral analysis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profile is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (typically 15-25°C). This compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed under an inert atmosphere for long-term storage.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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