Description

Tetradecahydro-4,8,9,11B-Tetramethyl-1H-Cyclohepta[A]Naphthalene-4-Carboxylic Acid Methyl Ester is a high-purity, complex polycyclic ester compound with a defined stereochemistry, serving as a critical advanced intermediate in sophisticated organic syntheses. Its value lies in its unique fused ring structure, which provides a versatile scaffold for constructing complex molecules in pharmaceutical and fine chemical research. This compound is essential for R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), fragrances, and specialty materials where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: A key building block in the multi-step synthesis of complex drug candidates, particularly in steroid-like or terpenoid-based therapeutic molecules.
• Fragrance & Flavor Synthesis: Used as a precursor for creating unique, high-value odorants and flavoring agents with complex woody, ambery, or musky characteristics.
• Organic Synthesis Research: Serves as a model substrate or starting material in methodological development for novel cyclization, functionalization, or stereoselective reactions.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, including catalysts, ligands, and other performance materials requiring a rigid, polycyclic framework.
• Material Science: Investigated as a monomer or additive for creating polymers with specific thermal or mechanical properties derived from its bulky, saturated structure.

Basic Information

Product Name	Tetradecahydro-4,8,9,11B-Tetramethyl-1H-Cyclohepta[A]Naphthalene-4-Carboxylic Acid Methyl Ester
CAS No.	33536-88-8
Molecular Formula	C21H34O2
Molecular Weight	318.50 g/mol
Synonyms	Methyl Tetradecahydro-4,8,9,11B-Tetramethyl-1H-Cyclohepta[A]Naphthalene-4-Carboxylate; 1H-Cyclohepta[a]naphthalene-4-carboxylic acid, tetradecahydro-4,8,9,11B-tetramethyl-, methyl ester; Methyl 4,8,9,11B-tetramethyltetradecahydro-1H-cyclohepta[a]naphthalene-4-carboxylate; Polycyclic Terpenoid Ester Intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including HPLC, GC, and NMR. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting identity, purity, and impurity profiles. We support development and commercial projects with specifications that can meet GMP guidelines for pharmaceutical intermediates upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed to prevent moisture absorption and potential contamination. Store away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Any Single Unknown Impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines

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