Description

(4R,10E,12R)-12-Acetoxy-4,8,9,12-Tetrahydro-3,11-Dimethyl-4,7-Metheno-6H-Furo[3,2-C]Oxacycloundecin-6-One is a complex, high-purity organic compound with the CAS registry number 20149-38-6. This molecule is valued for its intricate fused-ring structure, making it a critical advanced intermediate in sophisticated organic syntheses. It is primarily sought after by pharmaceutical R&D and fine chemical manufacturers for the development of novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the research and synthesis of novel drug candidates, particularly in complex natural product-inspired pathways.
• Organic Synthesis Research: Used in academic and industrial laboratories to study complex cyclization reactions and construct intricate polycyclic frameworks.
• Fine Chemical Production: Acts as a precursor for the manufacture of specialized chemicals requiring a specific, high-value stereochemical core.
• Reference Standard: Employed as an analytical standard in method development and quality control for processes involving similar complex molecules.
• Material Science Research: Investigated for its potential in creating novel polymers or functional materials with unique properties derived from its rigid structure.

Basic Information

Product Name	(4R,10E,12R)-12-Acetoxy-4,8,9,12-Tetrahydro-3,11-Dimethyl-4,7-Metheno-6H-Furo[3,2-C]Oxacycloundecin-6-One
CAS No.	20149-38-6
Molecular Formula	C19H22O5
Molecular Weight	330.38 g/mol
Synonyms	12-Acetoxy-4,8,9,12-tetrahydro-3,11-dimethyl-4,7-methano-6H-furo[3,2-c]oxacycloundecin-6-one; 12-Acetoxy-4,8,9,12-tetrahydro-3,11-dimethyl-4,7-methanofuro[3,2-c]oxacycloundecin-6-one; 4,7-Methanofuro[3,2-c]oxacycloundecin-6-one, 12-(acetyloxy)-4,8,9,12-tetrahydro-3,11-dimethyl-, (4R,10E,12R)-; (4R,10E,12R)-12-Acetoxy-4,8,9,12-tetrahydro-3,11-dimethyl-4,7-methanofuro[3,2-c]oxacycloundecin-6-one; CAS 20149-38-6
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to stringent GMP-like guidelines to ensure batch-to-batch consistency and high chemical purity. Identity and purity are confirmed through a suite of analytical techniques including HPLC, GC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay	97.0% - 102.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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