Description

4-Methoxybenzoic Acid (1R)-1,2,3,3A,4,7,8,8A-Octahydro-8Aβ-Hydroxy-3Aβ,6-Dimethyl-1β-(1-Methylethyl)-3-Oxoazulen-4α-Yl Ester is a high-purity, complex organic ester with a defined stereochemistry, making it a valuable intermediate for advanced chemical synthesis. This compound is critical for research and development in pharmaceutical chemistry, where its specific structural framework is leveraged to build novel active molecules. It is primarily sought by fine chemical manufacturers and R&D laboratories specializing in the development of new therapeutic agents and high-value specialty chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key chiral building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting complex molecular architectures.
• Advanced Organic Synthesis: Used as a specialized reagent or intermediate in multi-step synthetic routes for complex natural product analogs and other high-value organic compounds.
• Chemical Research & Development: Employed in academic and industrial R&D settings for method development, catalysis studies, and exploring new chemical spaces.
• Fine Chemical Production: Integrated into the manufacturing process of custom-designed, high-purity specialty chemicals for various industrial applications.

Basic Information

Product Name	4-Methoxybenzoic Acid (1R)-1,2,3,3A,4,7,8,8A-Octahydro-8Aβ-Hydroxy-3Aβ,6-Dimethyl-1β-(1-Methylethyl)-3-Oxoazulen-4α-Yl Ester
CAS No.	104758-20-5
Molecular Formula	C24H32O5
Molecular Weight	400.51 g/mol
Synonyms	4-Methoxybenzoic acid, (1R,3aS,4S,8aS)-1,2,3,3a,4,7,8,8a-octahydro-8a-hydroxy-3a,6-dimethyl-1-(1-methylethyl)-3-oxoazulen-4-yl ester; (1R,3aS,4S,8aS)-4-[(4-Methoxybenzoyl)oxy]-1-isopropyl-3a,6-dimethyloctahydro-8a-hydroxy-3-oxoazulene; Guaiazulene 4-methoxybenzoate derivative; 4-Anisic acid azulene ester; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our 4-Methoxybenzoic Acid (1R)-1,2,3,3A,4,7,8,8A-Octahydro-8Aβ-Hydroxy-3Aβ,6-Dimethyl-1β-(1-Methylethyl)-3-Oxoazulen-4α-Yl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and chiral analysis to confirm stereochemical integrity, ensuring compliance with research-grade specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible organic solvents. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Chiral Purity	≥ 99.0% ee
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.