Description

1H-2-Benzopyran-4,5-Diol, 3,4-Dihydro-6-Methoxy-1,3-Dimethyl-, (1R,3R,4S)- (9Ci) is a high-purity, stereochemically defined organic compound belonging to the dihydrobenzopyran class. This compound is valued for its specific chiral configuration, making it a critical advanced pharmaceutical intermediate and a versatile building block in synthetic organic chemistry. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for the development of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key chiral precursor in the synthesis of potential therapeutic agents, particularly those targeting neurological or metabolic pathways.
• Agrochemical Research: Used in the development of new pesticides or herbicides, leveraging its complex benzopyran core structure for bioactivity.
• Fine Chemical Synthesis: Acts as a specialized building block for constructing complex natural product analogs and other high-value specialty chemicals.
• Academic & Industrial R&D: Employed in methodological studies and process chemistry development due to its defined stereochemistry.
• Reference Standard: Can be supplied as a high-purity analytical standard for quality control and method validation in analytical laboratories.

Basic Information

Product Name	1H-2-Benzopyran-4,5-Diol, 3,4-Dihydro-6-Methoxy-1,3-Dimethyl-, (1R,3R,4S)- (9Ci)
CAS No.	688005-04-1
Molecular Formula	C12H16O4
Molecular Weight	224.25 g/mol
Synonyms	(1R,3R,4S)-3,4-Dihydro-6-methoxy-1,3-dimethyl-1H-2-benzopyran-4,5-diol; (1R,3R,4S)-6-Methoxy-1,3-dimethyl-3,4-dihydro-1H-2-benzopyran-4,5-diol; 1H-2-Benzopyran-4,5-diol, 3,4-dihydro-6-methoxy-1,3-dimethyl-, (1R,3R,4S)-; CAS 688005-04-1; Dihydrobenzopyrandiol derivative; Chiral dihydroisochroman derivative
EINECS	Contact for details

Quality Control

Our production of 1H-2-Benzopyran-4,5-Diol, 3,4-Dihydro-6-Methoxy-1,3-Dimethyl-, (1R,3R,4S)- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chiral purity verification by HPLC, to ensure consistent identity, purity, and stereochemical integrity. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client or regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This compound may be light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Chiral Purity (HPLC)	≥ 99.0% ee
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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