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(S)-4-Bromo-Alpha-Methylbenzyl Alcohol

    • Product Name (S)-4-Bromo-Alpha-Methylbenzyl Alcohol
    • Alias (S)-4-Bromo-1-phenyl-2-propanol
    • Einecs 629-804-8
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
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    Specifications

    HS Code

    838964

    Chemical Name (S)-4-Bromo-alpha-methylbenzyl alcohol
    Molecular Formula C8H9BrO
    Molecular Weight 201.06 g/mol
    Cas Number 211449-59-9
    Appearance Colorless to pale yellow liquid
    Optical Rotation [α]D20 = +27° (c=1, CHCl3)
    Purity Typically ≥98%
    Boiling Point 110-112°C at 10 mmHg
    Density 1.45 g/cm³
    Smiles CC(C1=CC=C(C=C1)Br)O

    As an accredited (S)-4-Bromo-Alpha-Methylbenzyl Alcohol factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

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    Application of (S)-4-Bromo-Alpha-Methylbenzyl Alcohol

    Applications of (S)-4-Bromo-Alpha-Methylbenzyl Alcohol in Industrial Manufacturing

    As the direct manufacturer of (S)-4-Bromo-Alpha-Methylbenzyl Alcohol, we provide this chiral alcohol to support advanced organic synthesis across key fine chemical sectors globally. Our customers leverage its unique stereochemistry to accelerate complex multi-step syntheses in pharmaceutical, agrochemical, and custom intermediate production. Below, we outline the principal, real-world downstream applications where our material ensures consistent quality and regulatory conformity.

    1. Chiral Intermediate for Active Pharmaceutical Ingredient (API) Synthesis

    Downstream pharma manufacturers use this compound as an enantioselective building block for synthesizing APIs, specifically those including β-adrenergic blockers and select CNS-active molecules. Its controlled stereochemistry helps streamline enantio-pure intermediate formation, minimizing post-reaction resolution steps and ensuring batch-to-batch reproducibility. Production plants incorporate this intermediate at early or mid-stage steps, followed by further derivatization into complex heterocycles or amines under cGMP controls.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • US FDA 21 CFR Part 210/211
    • EU GMP Part II for APIs
    • Applicable regional pharmacopoeias (USP, Ph. Eur., JP) for chiral intermediates

    Typical usage ratio

    • Employed at 0.7–1.1 molar equivalents to the target API’s chiral core; precise ratio governed by target molecule’s synthetic route and yield optimization requirements

    Downstream process integration

    • Introduced in the early stage of chiral center construction or mid-stage convergent syntheses, immediately before alkylation, amination, or cyclization steps

    Final product types

    • β-blockers (such as carvedilol intermediates)
    • CNS therapeutics (precursors to chiral amphetamine analogues)
    • Intermediates for anti-infective APIs

    2. Chiral Auxiliary in Asymmetric Synthesis of Fine Chemicals

    Process developers utilize this alcohol as a chiral auxiliary or ligand precursor in the stereocontrolled synthesis of fine chemicals. Its brominated aromatic ring provides an anchor point for condensation or cross-coupling, while the methyl and hydroxyl substituents enforce orientation in transition states, thus increasing yield and enantiopurity of valuable fine chemical building blocks and specialty paint additives. Subsequent removal or transformation of the auxiliary enables the efficient scale-up of complex, optically enriched targets.

    Industry compliance standards

    • ISO 9001:2015 Quality Management Systems
    • REACH registration and compliance for supply to the EU market
    • OECD chemical safety guidelines for handling and use
    • Internal QC procedures for optical purity and residual solvent content

    Typical usage ratio

    • Typically applied at 1.0–1.2 equivalents relative to the substrate; the adjustment is based on substrate reactivity and auxiliary removal yield

    Downstream process integration

    • Inserted during asymmetric induction steps, prior to subsequent substituent modifications or elimination; usually followed by auxiliary cleavage and recovery at the end of the sequence

    Final product types

    • Chiral precursors for advanced organic synthesis
    • Enantioenriched fine chemical intermediates (for dyes, flavors, specialty materials)
    • Advanced chiral ligands for industrial research

    3. Precursor in Agrochemical Synthesis

    Agrochemical companies integrate this compound into the synthesis route of select herbicides and insecticides where stereochemistry influences biological activity and environmental profile. Its brominated structure supports targeted introduction of chirality into molecular scaffolds, producing intermediates that undergo further halogen-metal exchange, coupling, or functionalization. This step often precedes large-scale formulation of finished crop protection agents, with strict traceability through each batch.

    Industry compliance standards

    • FAO Specification for pesticide intermediates
    • ISO 9001 and ISO 14001 Environmental Management for chemical manufacturing
    • Globally Harmonized System (GHS) for labeling and transport
    • National agrochemical regulatory filings (e.g., China's ICAMA, US EPA)

    Typical usage ratio

    • Introduced at 0.8–1.3 molar equivalents depending on the downstream agrochemical's structure and intended mode of action; excess may be applied to drive complete conversion

    Downstream process integration

    • Joined during the key chiral introduction or halogen exchange step, then advanced through coupling or esterification as part of multi-step synthesis of the target active ingredient

    Final product types

    • Enantioenriched herbicide intermediates
    • Chiral pesticide precursors
    • Building blocks for systemic fungicides

    4. Key Starting Material for Custom Synthesis of Specialty Polymers

    Specialty polymer manufacturers use this compound to introduce unique chiral and aromatic functionalities into polymer backbones or as a functional pendant group on side chains. This approach enhances solubility, glass transition temperature, and optical activity of performance polymers for niche electronic, sensor, and optical film markets. The controlled use at the monomer synthesis or polymer modification stage ensures thorough distribution of the chiral unit across polymer chains.

    Industry compliance standards

    • ISO 9001 Quality Management for chemical process industries
    • RoHS Directive 2011/65/EU for electronics-related materials
    • REACH for polymer intermediates used in the European market
    • Internal specifications for monomer purity and residual bromine content

    Typical usage ratio

    • Usually dosed at 0.3–1.0 molar equivalents to co-monomers or feedstock resin; optimization depends on the targeted physical and optical properties of the polymer

    Downstream process integration

    • Incorporated during monomer synthesis or grafted post-polymerization via condensation or alkylation, depending on the polymer design strategy

    Final product types

    • Optically active polyesters
    • Chiral-functionalized sensor polymers
    • Specialty coatings for electronic films

    5. Intermediate in Research-Scale Synthesis for Custom Contract Manufacturing

    Custom synthesis service providers and CDMOs introduce this alcohol into early-stage route scouting or pilot plant synthesis for R&D and clinical supply chains, especially for targets requiring strict enantioselectivity. The material’s unique structure enables the rapid assembly of custom scaffolds, supporting agile process optimization. Traceable batch records align with clients’ project-specific quality and data integrity requirements throughout kilo-lab and small-volume production.

    Industry compliance standards

    • ISO 9001 and ISO 17025 for process QC and laboratory competence
    • cGMP (as applicable for clinical trial materials)
    • Project-specific documentation per customer and regulatory contract
    • Controlled substance handling as required for regulated syntheses

    Typical usage ratio

    • Ranges from 0.1 to 2 equivalents, depending on custom synthesis objectives, with scale and chemical transformation steps dictating precise input

    Downstream process integration

    • Applied at specified synthetic steps—either as a starting scaffold or as a late-stage resolution element—depending on the R&D or pilot project design

    Final product types

    • Library of non-commercial research compounds
    • Customized chiral intermediates for client programs
    • Pilot-scale samples for process validation
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    More Introduction

    The Role and Relevance of (S)-4-Bromo-Alpha-Methylbenzyl Alcohol in Modern Chemistry

    Exploring the Landscape of Chiral Building Blocks

    People have relied on the careful design of molecules to lay the groundwork for advances in modern science. Among these, chiral building blocks play a special part, offering precise advantages in synthesis. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol stands out as one such compound, not just because of its specific structural profile but due to the real-world value it brings into chemical development. Chemists look to such chiral alcohols for their ability to create more complex architectures in organic synthesis, essentially serving as both a valuable starting point and a reliable stepping-stone.

    Understanding the Core Features

    Every practical chemist values a substance that combines predictability with versatility. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol carries a molecular backbone that reflects careful thought: a benzene ring bearing a bromine atom at the 4-position, attached to a methylated chiral carbon that supports an alcohol group. This arrangement does more than fill a catalog entry. The compound provides a controlled stereochemical environment, something especially important as industries shift from older, racemic approaches to processes demanding heightened selectivity and efficiency.

    Why Chirality Matters—A Personal and Professional Lens

    Chirality often separates success from failure in drug development. From time working alongside synthetic teams, I've seen how a single misplaced atom or wrong-handed isomer can dissolve months of effort. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol contributes a known and reliable handedness to reactions. Stumbling upon the right chiral auxiliary, in my experience, is like finding a trusted guide. Instead of wading through uncertain results, use of this compound helps lock down reaction outcomes, making the path toward enantiomerically pure targets smoother and faster.

    Specifications That Make a Difference

    The nuances found in a molecule’s specifications often tell the story of where it fits best. Here, we see a compound with a clear chiral center, a defined (S)-configuration, and functional groups that blend reactivity and stability. With a chemical formula of C8H9BrO and a molecular weight near 201.06 g/mol, (S)-4-Bromo-Alpha-Methylbenzyl Alcohol gives both flexibility for tailoring conditions and a robust foundation for modification. That bromo group at the para position, in particular, opens doors to next-step chemistry, be it cross-couplings or further substitution to introduce other groups. Companies working in chiral catalysis, pharmaceutical intermediates, or specialty chemicals can recognize the adaptability this structure unlocks.

    Applications in Synthesis—Real-World Uses

    Take the development of active pharmaceutical ingredients (APIs). Stereochemistry rules the game: a “right-handed” version of a molecule can lower side effects or boost efficacy, while the “left-handed” cousin may have no value. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol stands ready to steer transformations towards the preferred enantiomer. The functionality present makes it popular in Grignard reactions, reductions, and oxidations. Having that bromo handle in place means researchers can introduce new complexity through Suzuki, Sonogashira, or other coupling protocols without retracing their synthetic steps.

    The principles guiding use in pharma also spill over into agrochemicals and advanced materials. Being able to scale up a reaction from the lab bench to kilo lab hinges on robust intermediates with reproducible performance. Here, my own process development work underscored the importance of starting with a chiral scaffold that won’t produce surprises under new conditions. The para-bromo group gives a lever for making swift adjustments without returning to square one. The result: shorter timelines, lower costs, and more consistent quality in the final product.

    Innovation Through Selectivity

    Innovation rarely comes in one big shift. In the world of fine chemical production, progress comes by building reliability into every step. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol has proven itself as an intermediate that doesn’t cause bottlenecks. The high selectivity it brings into asymmetric synthesis can remove layers of chiral resolution or separation downstream. Chemists often prefer compounds that can be handled without excessive time spent on purification. Here, its predictable behavior during crystallization and chromatography brings peace of mind—each batch delivers the same high purity and optical activity required for stringent regulatory filings.

    How (S)-4-Bromo-Alpha-Methylbenzyl Alcohol Sets Itself Apart

    A lot of candidates exist for chiral alcohols. Many are available without substitution on the aromatic ring or with halogen atoms in other locations. The placement of the bromo group in the para position isn’t just a chemical footnote. This orientation changes the reactivity profile in palladium-catalyzed reactions, suiting applications where competing ortho effects or unwanted rearrangements have derailed earlier projects. Having worked on reactions where regioselectivity slipped away due to ill-placed groups, using this product solves a cascade of downstream headaches. That makes it more than a molecule—it becomes a problem solver at a fundamental level.

    In comparison to related products like simple alpha-methylbenzyl alcohols, the brominated variant offers wider latitude for further functionalization. Having that extra site lets you design transformations that might have been out of reach otherwise. Modifying molecular scaffolds at later stages boosts project flexibility, which matters most when synthetic targets shift or regulatory requirements change. This product allows a sort of controlled improvisation: start with a tried-and-true building block, adapt it as new challenges emerge, and keep the end goal within reach.

    Ensuring Trust—Quality, Consistency, and Traceability

    As the science moves forward, having a reliable supply of chiral intermediates turns from a matter of convenience into one of compliance and safety. My experience on the quality assurance side taught me how gaps in traceability or purity derail both R&D and full-scale production. For (S)-4-Bromo-Alpha-Methylbenzyl Alcohol, the established sourcing routes, known synthetic histories, and robust characterization data support regulatory confidence. That matters for chemists sending materials across borders or building entire project timelines on a single starting material.

    The analytical fingerprints—optical rotation, NMR, melting point, and enantiomeric excess—create a baseline that assures both end-users and oversight bodies. This detailed profile holds special weight in pharmaceutical development, where regulators ask for tight control at every stage. Achieving this standard speaks less to box-checking and more to enabling innovation that stands up to scrutiny. It is not a coincidence that project managers seek out materials backed by transparency and reproducibility. They want science that moves forward, not sidetracked by avoidable surprises.

    Challenges in Sourcing and Handling—Lessons from the Lab and Beyond

    Working with sensitive chiral intermediates calls for vigilance. Moisture, light, and temperature shifts can introduce racemization or degrade samples, cutting the value of a carefully prepared lot. My own projects have benefited from standard operating procedures—drying, inert atmosphere handling, and clear documentation reduce risks from receipt to use. Storage in airtight containers, under inert gas or refrigeration, makes all the difference when turnaround speed or recovery matter. For those in process chemistry or scale-up, attention to these logistics avoids scrambles for fresh material and supports consistent results at all scales.

    The physical state and purity profile of (S)-4-Bromo-Alpha-Methylbenzyl Alcohol help as well. Reliable supplies tend to ship as solid, crystalline forms—these facilitate easier weighing and handling compared to sticky or highly volatile analogs. Practical lessons often shape choices just as much as theoretical advantages: A product that resists clumping, sticks less to glassware, and dissolves readily in common solvents cuts lab time and reduces training hurdles for new team members.

    The Impact on Industry Sector Growth

    Beyond the four walls of a lab, (S)-4-Bromo-Alpha-Methylbenzyl Alcohol shows its influence in how quickly and safely the next generation of medicines or materials can be brought to life. For a biopharmaceutical startup racing to demonstrate a new candidate’s safety, using chiral intermediates with proven track records accelerates timelines and reduces analytical headaches. From a business perspective, securing supply agreements based on tested, widely adopted products offers leverage in price negotiations and resource planning.

    In an era marked by supply chain turmoil, redundancy and reliability matter as much as the chemistry itself. Strategically, firms that integrate strong chiral building blocks into their workflows gain an edge. They fail less often at late-stage development hurdles, reduce recalls, and bring new projects closer to commercial launch. The impact then radiates outward, affecting shareholders, clinicians, and—at the very end—patients waiting for improved therapies. The story of this molecule goes beyond bolts and beams of chemistry; it becomes a piece in the larger engine of health and progress.

    Sustainability, Responsibility, and Safety

    No modern discussion of a specialty chemical is complete without addressing how it fits into growing environmental and ethical concerns. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol can be manufactured using established methods that limit waste and reduce toxic byproducts. From time in green chemistry seminars, I’ve seen how modest tweaks—a safer reagent here, lower energy route there—yield large dividends in safety and compliance. Responsible producers expect customers to ask for sustainability metrics and show transparency in meeting environmental targets.

    Handling and disposal follow common protocols for aromatic bromides and chiral alcohols: use of fume hoods, protective gloves, and proper waste collection closes the loop, preventing harmful exposure or environmental release. Laboratories and manufacturers who take care on these fronts earn long-term trust and ensure the whole value chain meets rising expectations from society, regulators, and investors.

    Supporting Future Innovation—Research and Education

    The reach of a chiral intermediate goes farther than present-day manufacturing. Universities and research institutes look for compounds that build up not just molecules but generations of know-how. Having a toolkit stocked with (S)-4-Bromo-Alpha-Methylbenzyl Alcohol means students and postdocs can practice key transformations and see real influence of stereochemistry on reaction pathways. For those running core facilities or teaching advanced synthesis, this product enriches the curriculum, supporting practical skills that fit industry’s fast-changing needs.

    Staying rooted in real applications and emerging challenges keeps the field alive and relevant. Being able to trace the journey from bench to pilot plant, drawing on approachable and well-understood intermediates, fosters both creativity and confidence.

    Building a Path Forward—Potential Solutions for Common Issues

    In any industry that touches complex molecules, a few challenges keep surfacing: rising costs, regulatory uncertainty, and shifting market demands. Strengthening ties with trusted suppliers, establishing robust quality management, and keeping open channels for feedback all make an impact. As a chemist, advocating for more open data sharing—batch analytics, impurity profiles, synthesis route disclosures—helps everyone spot issues early and streamline regulatory review. Internally, updating protocols to match best practices ensures each use of (S)-4-Bromo-Alpha-Methylbenzyl Alcohol delivers its value without surprises or setbacks.

    Collaborative research efforts also hold promise. Joint development of safer, greener synthetic methods for chiral alcohols introduces efficiency gains while meeting new legal and ethical expectations. Open-source processes and continuous professional education help both experienced scientists and those new to the field build better workflows and avoid common pitfalls. Taking lessons from each project and applying them transparently, whether in internal meetings or industry conferences, forges a stronger, more prepared scientific community.

    The Ongoing Importance of Sound Chemical Building Blocks

    Reflecting on decades in synthetic laboratories and quality assurance meetings, the story comes back to reliability. (S)-4-Bromo-Alpha-Methylbenzyl Alcohol shows how the right building block at the right time can compress timelines, reduce costs, and clarify complex projects. Its specific design, rooted in both functional reactivity and chiral purity, answers ongoing needs across pharmaceuticals, materials, and research frontiers. The practical benefits—ease of handling, predictable performance, and strong documentation—bridge the gap between theory and successful product launches.

    As scientific and regulatory landscapes grow more complex and intertwined, dependable resources like this compound prove their worth not as isolated ingredients, but essential parts of a well-run operation. Trust built up over years of use and study feeds back into every new breakthrough that arrives on the scene. Looking ahead, building sustained access to high-quality chiral intermediates supports not just industrial ambition, but the promise of better solutions for challenging global problems.