Description

(4Ar)-7β-Ethenyl-4,4A,4Bβ,5,6,7,10,10Aβ-Octahydro-1,1,4Aα,7-Tetramethyl-2,9(1H,3H)-Phenanthrenedione is a complex, high-purity diterpenoid derivative with a specific stereochemical configuration. This compound serves as a critical advanced intermediate or reference standard in specialized organic synthesis and pharmaceutical research. It is primarily required by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and studying complex molecular interactions.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel diterpenoid-based drug candidates targeting inflammation, cancer, or neurological disorders.
• Reference Standard: High-purity material for analytical method development, validation, and quality control in pharmaceutical and regulatory laboratories.
• Agrochemical Research: Intermediate in the development of new plant growth regulators or bioactive agents with specific stereochemical requirements.
• Organic Synthesis: Versatile chiral starting material or intermediate for constructing complex polycyclic frameworks in academic and industrial research.
• Biochemical Probe: Used in life science research to investigate enzyme interactions or biological pathways involving diterpenoid structures.
• Fine Chemical Production: Precursor for the manufacture of specialty chemicals, flavors, or fragrances requiring this specific molecular architecture.

Basic Information

Product Name	(4Ar)-7β-Ethenyl-4,4A,4Bβ,5,6,7,10,10Aβ-Octahydro-1,1,4Aα,7-Tetramethyl-2,9(1H,3H)-Phenanthrenedione
CAS No.	90044-20-5
Molecular Formula	C20H26O2
Molecular Weight	298.42 g/mol
Synonyms	7β-Ethenyl-4,4a,4bβ,5,6,7,10,10aβ-octahydro-1,1,4aα,7-tetramethyl-2,9(1H,3H)-phenanthrenedione; (4aR)-7β-Ethenyl-4,4a,4bβ,5,6,7,10,10aβ-octahydro-1,1,4aα,7-tetramethyl-2,9(1H,3H)-phenanthrenedione; Diterpenoid Dione Derivative; Abietane Dione Derivative; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our production of (4Ar)-7β-Ethenyl-4,4A,4Bβ,5,6,7,10,10Aβ-Octahydro-1,1,4Aα,7-Tetramethyl-2,9(1H,3H)-Phenanthrenedione adheres to stringent GMP and ISO 9001 guidelines to ensure batch-to-batch consistency and traceability. Every lot undergoes comprehensive analytical characterization, including HPLC purity, chiral purity, and structural confirmation via NMR and MS. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes to support your regulatory and R&D requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0%
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.