Description

(1R,4Bα,8Aα,10Aα)-7α-Ethyltetradecahydro-1,4Aβ,7-Trimethyl-1α-Phenanthrenecarboxylic Acid Methyl Ester is a high-purity, sterically defined synthetic intermediate of significant interest in advanced organic synthesis. This compound matters for its role as a key chiral building block in the development of complex molecules, particularly within the pharmaceutical and agrochemical sectors. It is primarily needed by R&D chemists and process development scientists working on novel active pharmaceutical ingredients (APIs), fine chemicals, and specialty materials where precise stereochemistry is critical.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the research and development of novel steroid analogs and other complex therapeutic agents.
• Fine Chemical Synthesis: Used as a sophisticated building block in multi-step organic syntheses requiring high stereoselectivity.
• Agrochemical Research: Serves as a precursor in the development of new generation plant growth regulators or pesticides with specific bioactive conformations.
• Academic & Industrial R&D: A valuable compound for methodological studies in asymmetric synthesis, catalysis, and total synthesis projects.
• Reference Standard: Can be utilized as an analytical standard for quality control and method development in laboratories.

Basic Information

Product Name	(1R,4Bα,8Aα,10Aα)-7α-Ethyltetradecahydro-1,4Aβ,7-Trimethyl-1α-Phenanthrenecarboxylic Acid Methyl Ester
CAS No.	33892-03-4
Molecular Formula	C21H36O2
Molecular Weight	320.51 g/mol
Synonyms	Methyl (1R,4aS,8aS,10aR)-7-ethyl-1,4a,7-trimethyl-1,2,3,4,4a,5,6,8a,9,10,10a,11-dodecahydrophenanthrene-1-carboxylate; 7α-Ethyl-1,4aβ,7-trimethyl-1α-phenanthrenecarboxylic acid methyl ester; Methyl 7α-ethyl-1,4aβ,7-trimethyl-1α-phenanthrenecarboxylate; Steroid intermediate 33892-03-4; Chiral perhydrophenanthrene ester; 1-Carbomethoxy-7α-ethyl-1,4aβ,7-trimethylperhydrophenanthrene
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity, purity, and chiral integrity. Certificates of Analysis (COA) detailing all specifications are available upon request. We adhere to cGMP principles for the manufacture of critical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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