Description

(3R)-3,4-Dihydro-5-Methoxy-2H-1-Benzopyran-3-Amine CAS NO 117444-30-1 is a chiral benzopyran derivative, a high-value intermediate in advanced organic synthesis. This compound matters for its role as a key building block in the development of enantiomerically pure pharmaceuticals and fine chemicals. It is needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of new drug candidates, particularly in central nervous system (CNS) and cardiovascular therapeutic areas.
• Asymmetric Synthesis: Serves as a versatile starting material or chiral auxiliary in catalytic asymmetric reactions to construct complex molecular architectures.
• Agrochemical Research: Used in the synthesis of novel, biologically active compounds for crop protection and pest management.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring high enantiomeric purity.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry and medicinal chemistry within university and corporate laboratories.

Basic Information

Product Name	(3R)-3,4-Dihydro-5-Methoxy-2H-1-Benzopyran-3-Amine
CAS No.	117444-30-1
Molecular Formula	C10H13NO2
Molecular Weight	179.22 g/mol
Synonyms	(R)-3-Amino-5-methoxy-3,4-dihydro-2H-chromene; (3R)-3-Amino-5-methoxy-3,4-dihydro-2H-1-benzopyran; (R)-5-Methoxy-3,4-dihydro-2H-1-benzopyran-3-amine; (R)-3-Amino-5-methoxychroman; 5-Methoxy-3,4-dihydro-2H-1-benzopyran-3-amine, (3R)-; (R)-3-Amino-5-methoxy-2H-chromene; (R)-5-Methoxy-3,4-dihydro-2H-chromen-3-amine
EINECS	Contact for details

Quality Control

Our (3R)-3,4-Dihydro-5-Methoxy-2H-1-Benzopyran-3-Amine is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chiral purity analysis by HPLC, to ensure it meets exacting standards for research and production use. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and chiral excess is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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