Description

(3S)-4β-Acetoxy-3,3Aβ,4,5,9Aβ,9Bα-Hexahydro-3β,6,9-Trimethylazuleno[4,5-B]Furan-2,7-Dione CAS NO 5989-43-5 is a complex, high-purity sesquiterpene lactone derivative characterized by its unique azulene-fused furanone structure. This compound is of significant interest for its potential as a key synthetic intermediate in advanced organic synthesis and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of novel drug candidates, particularly those targeting anti-inflammatory or anti-cancer pathways.
• Advanced Organic Synthesis: Used as a sophisticated starting material or intermediate for constructing complex natural product analogs and heterocyclic compounds.
• Agrochemical Research: Employed in the development of new active ingredients for crop protection, leveraging its unique sesquiterpenoid core.
• Chemical Biology & Probe Development: Utilized as a molecular scaffold for creating chemical probes to study biological pathways and protein interactions.
• Material Science Research: Investigated as a precursor for specialty polymers or functional materials due to its rigid, fused-ring system.
• Academic & Institutional R&D: Supplied to university laboratories and research institutes for fundamental studies in synthetic methodology and medicinal chemistry.

Basic Information

Item	Details
Product Name	(3S)-4β-Acetoxy-3,3Aβ,4,5,9Aβ,9Bα-Hexahydro-3β,6,9-Trimethylazuleno[4,5-B]Furan-2,7-Dione
CAS No.	5989-43-5
Molecular Formula	C20H24O5
Molecular Weight	344.40 g/mol
Synonyms	4β-Acetoxy-3,3aβ,4,5,9aβ,9bα-hexahydro-3β,6,9-trimethylazuleno[4,5-b]furan-2,7-dione; 3β-Acetoxy-8α-hydroxy-4α,8-dimethyl-1,2,3,4,4aα,5,6,7,8,8aβ-decahydroazulene-6β-carboxylic acid δ-lactone; Alantolactone acetate; Isoalantolactone acetate; Helenin acetate derivative; Azuleno[4,5-b]furan-2,7-dione derivative; (3S,3aS,4S,9aR,9bS)-4-(Acetyloxy)-3,3a,4,5,9a,9b-hexahydro-3,6,9-trimethylazuleno[4,5-b]furan-2,7-dione
EINECS	Contact for details

Quality Control

Our (3S)-4β-Acetoxy-3,3Aβ,4,5,9Aβ,9Bα-Hexahydro-3β,6,9-Trimethylazuleno[4,5-B]Furan-2,7-Dione is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and development applications. All products undergo rigorous analytical testing, including HPLC, NMR, and MS, to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep the container tightly sealed when not in use to protect from moisture. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 5.0%

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