Description

4-Bromo-2-Methyl-5-[(R)-1,2,2-Trimethyl-3-Cyclopenten-1-Yl]Phenol is a high-purity, chiral phenolic compound featuring a complex terpenoid-derived cyclopentenyl substituent. This specialized intermediate is critical for synthesizing advanced fragrance molecules and bioactive compounds where stereochemistry and specific bromination patterns are essential for functionality. It is primarily sought by R&D and production teams in the fine chemical, fragrance, and pharmaceutical industries for creating novel odorants, flavorants, and potential therapeutic agents.

Application

• Fragrance & Flavor Synthesis: A key chiral building block for the development of novel, high-value amber, woody, and musk odorants in perfumery and flavor creation.
• Pharmaceutical Intermediates: Serves as a sophisticated precursor in the research and synthesis of chiral drug candidates and bioactive molecules.
• Agrochemical Research: Used in the development of new chiral active ingredients for crop protection products, leveraging its unique halogenated phenolic structure.
• Advanced Material Chemistry: Employed as a monomer or functionalization agent in the synthesis of specialty polymers and liquid crystals.
• Organic Synthesis & Catalysis: A valuable reagent for asymmetric synthesis and cross-coupling reactions in academic and industrial research laboratories.
• Fine Chemical Manufacturing: An essential intermediate for producing custom and proprietary chemicals for various high-tech applications.

Basic Information

Item	Detail
Product Name	4-Bromo-2-Methyl-5-[(R)-1,2,2-Trimethyl-3-Cyclopenten-1-Yl]Phenol
CAS No.	103439-84-5
Molecular Formula	C15H19BrO
Molecular Weight	295.22 g/mol
Synonyms	4-Bromo-2-methyl-5-[(1R)-1,2,2-trimethyl-3-cyclopenten-1-yl]phenol; (R)-4-Bromo-2-methyl-5-(1,2,2-trimethyl-3-cyclopenten-1-yl)phenol; Phenol, 4-bromo-2-methyl-5-[(1R)-1,2,2-trimethyl-3-cyclopenten-1-yl]-; Ambroxide precursor; Brominated Ambrox precursor; Chiral bromophenol derivative
EINECS	Contact for details

Quality Control

Our production of 4-Bromo-2-Methyl-5-[(R)-1,2,2-Trimethyl-3-Cyclopenten-1-Yl]Phenol adheres to stringent internal quality standards, ensuring batch-to-batch consistency and high chiral purity. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR to confirm identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Melting Point	Contact for details
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.