Description

7-Oxabicyclo[4.1.0]Hept-3-En-2-One, 5-Hydroxy-4-(Hydroxymethyl)-3-(1-Methyl-1-Propenyl)-, (1R,5S,6R)- (9Ci) is a high-purity, stereochemically defined oxabicyclic compound that serves as a critical chiral building block and synthetic intermediate. Its complex, functionalized structure makes it a valuable precursor for the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and advanced material sectors seeking to introduce specific stereochemistry and molecular complexity into their target molecules.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the synthesis of complex drug candidates, particularly in antiviral, anti-inflammatory, and central nervous system (CNS) therapeutic areas.
• Agrochemical Research: Used in the development of novel, biologically active compounds for crop protection and pest management.
• Asymmetric Catalysis Ligand Precursor: Its structure can be modified to create novel chiral ligands for asymmetric synthesis.
• Fine Chemical Synthesis: Serves as a versatile starting material for the preparation of specialty chemicals and complex natural product analogs.
• Academic & Industrial R&D: A valuable tool for methodological development in organic synthesis and stereochemistry studies.

Basic Information

Product Name	7-Oxabicyclo[4.1.0]Hept-3-En-2-One, 5-Hydroxy-4-(Hydroxymethyl)-3-(1-Methyl-1-Propenyl)-, (1R,5S,6R)- (9Ci)
CAS No.	635678-67-0
Molecular Formula	C11H14O4
Molecular Weight	210.23 g/mol
Synonyms	(1R,5S,6R)-5-Hydroxy-4-(hydroxymethyl)-3-(1-methyl-1-propenyl)-7-oxabicyclo[4.1.0]hept-3-en-2-one; 7-Oxabicyclo[4.1.0]hept-3-en-2-one, 5-hydroxy-4-(hydroxymethyl)-3-(1-methyl-1-propenyl)-, (1R,5S,6R)-; (1R,5S,6R)-rel-5-Hydroxy-4-(hydroxymethyl)-3-(1-methylprop-1-en-1-yl)-7-oxabicyclo[4.1.0]hept-3-en-2-one; CAS 635678-67-0; Oxabicyclic heptenone derivative; Chiral oxabicycloheptenone intermediate.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems, ensuring batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical techniques including HPLC, chiral HPLC, GC, and NMR to confirm identity, purity, and stereochemical integrity. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical specifications. We support compliance needs for cGMP and other regulatory frameworks as required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed in a dry environment and away from direct light exposure to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral 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.