Description

11Beta,17-Bis(4-Bromobenzoyloxy)-9Beta-Hydroxy-Ent-Beyerene is a high-purity, synthetically modified diterpenoid derivative of the beyerene class, characterized by its specific brominated benzoyl ester functionalization. This compound serves as a critical advanced intermediate for pharmaceutical research and the synthesis of complex bioactive molecules. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries who require highly specific molecular scaffolds for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel therapeutic agents, particularly in steroid and terpenoid-based drug discovery.
• Chemical Reference Standard: Used in analytical laboratories for method development, validation, and quality control of related compounds.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies to explore new biological targets.
• Process Chemistry: Employed in the development and scale-up of synthetic routes for complex natural product analogs.
• Agrochemical Development: Potential intermediate in the research of new plant growth regulators or pesticides with novel modes of action.
• Academic Research: Used in university and institutional labs for studies in organic synthesis, catalysis, and natural product chemistry.

Basic Information

Product Name	11Beta,17-Bis(4-Bromobenzoyloxy)-9Beta-Hydroxy-Ent-Beyerene
CAS No.	134513-15-8
Molecular Formula	C44H52Br2O5
Molecular Weight	820.71 g/mol
Synonyms	9β-Hydroxy-11β,17-bis(4-bromobenzoyloxy)-ent-beyer-15-ene; ent-Beyer-15-ene-9β,11β,17-triol, 11β,17-bis(4-bromobenzoate); 11β,17-Bis(p-bromobenzoyloxy)-9β-hydroxy-ent-beyerene; Beyerene Diterpenoid Bromobenzoate Derivative; 134513-15-8; (4bS,5S,7aS,9S,10aR,10bS)-9-Hydroxy-5,10b-dimethyl-3-methylidene-4b,5,6,7,7a,8,9,10,10a,10b,11,12-dodecahydro-1H-cyclopenta[7,8]phenanthro[4b,5-d]furan-1,4(4bH)-dione, 9,11-bis(4-bromobenzoate) (related IUPAC form)
EINECS	Contact for details

Quality Control

Our production of 11Beta,17-Bis(4-Bromobenzoyloxy)-9Beta-Hydroxy-Ent-Beyerene adheres to stringent in-process controls and final release testing to ensure batch-to-batch consistency and high purity. Quality is verified through advanced analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your regulatory and research 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 container should be kept in a well-ventilated area and protected from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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