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4,5-Diphenyl-2-Methylthiazole

    • Product Name 4,5-Diphenyl-2-Methylthiazole
    • Alias 2-Methyl-4,5-diphenylthiazole
    • Einecs 211-239-2
    • 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
    VTB
    Specifications

    HS Code

    794883

    Chemical Name 4,5-Diphenyl-2-methylthiazole
    Molecular Formula C16H13NS
    Molecular Weight 251.35 g/mol
    Cas Number 14805-49-3
    Appearance White to off-white crystalline powder
    Melting Point 95-98°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Smiles CC1=NC(=C(S1)C2=CC=CC=C2)C3=CC=CC=C3
    Density 1.17 g/cm³
    Storage Conditions Store at room temperature, keep container tightly closed, protect from light
    Purity Typically ≥98%

    As an accredited 4,5-Diphenyl-2-Methylthiazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing 4,5-Diphenyl-2-Methylthiazole is packaged in a 25g amber glass bottle with a secure screw cap and hazard labeling.
    Shipping 4,5-Diphenyl-2-Methylthiazole is shipped in tightly sealed containers to prevent moisture and contamination. It is packed and labeled according to chemical safety regulations, with appropriate hazard markings. The shipment complies with all relevant transport guidelines, including those for handling and storage, to ensure safe delivery and integrity of the compound.
    Storage 4,5-Diphenyl-2-methylthiazole should be stored in a tightly sealed container, in a cool, dry, and well-ventilated area, away from sources of ignition and incompatible substances such as strong oxidizers. Protect the chemical from direct sunlight and moisture. Label the container appropriately, and handle it following standard chemical safety protocols to prevent accidental exposure or contamination.
    Application of 4,5-Diphenyl-2-Methylthiazole

    Applications of 4,5-Diphenyl-2-Methylthiazole in Industrial Manufacturing

    As the direct manufacturer of 4,5-Diphenyl-2-Methylthiazole, we supply this specialty material for downstream synthesis in targeted chemical sectors. Our customers use this compound in several defined industrial processes. Below we detail key applications, covering compliance, usage, process stage, and major finished goods.

    1. Organic Intermediate in Active Pharmaceutical Ingredient (API) Synthesis

    Pharmaceutical companies utilize 4,5-Diphenyl-2-Methylthiazole as a core building block in the multi-step synthesis of proprietary active compounds. Its thiazole structure enables specific functionalization under controlled conditions, often as part of heterocyclic API backbones. Compliance requires full traceability of raw materials and exact characterization at each conversion stage. The input ratio to the total batch depends on target molecular weight and yield optimization, with analytical in-process controls. Manufacturers integrate this intermediate into batch reactors post-chlorination or amidation, typically under anhydrous, inert conditions. The completed APIs find use in anti-inflammatory therapies, oncology treatments, and CNS-targeted small molecules.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice for Active Pharmaceutical Ingredients
    • Ph. Eur./USP/JP monograph reference for relevant APIs
    • FDA 21 CFR Part 211 Current Good Manufacturing Practice
    • ISO 9001:2015 Quality Management System for API intermediates

    Typical usage ratio

    • 0.7–1.3 molar equivalents per API unit, adjusted per synthesis route and target batch size

    Downstream process integration

    • Charged to reactor after completion of preliminary acylation or halogenation steps
    • Subjected to Grignard or Suzuki coupling depending on final scaffold
    • Incorporated ahead of isolation and crystallization of final API
    • Analytical sampling at both intermediate and final product checkpoints

    Final product types

    • Anti-cancer and anti-inflammatory finished drugs
    • CNS active pharmaceuticals
    • Contract-manufactured NCEs (New Chemical Entities) for biotechnology
    • Custom API intermediates for R&D application

    2. High-Performance Polymer Additives for Specialty Plastics

    In the polymer industry, downstream customers employ 4,5-Diphenyl-2-Methylthiazole as a molecular additive for engineering thermoplastic formulations, especially where enhanced resistance to UV degradation is required. Various compounding specialists dose this compound directly into extrusion blends at the masterbatch stage. Quality controls focus on migration limits and homogeneity in the finished plastic matrix. Industry standards cover both additive safety and plastics-specific QC. The dosage depends on base resin type and final UV stability targets. Extruder operators introduce it as a concentrated additive before the pelletizing or sheet-forming stage. Typical end uses are automotive interiors, electronics housings, and high-performance optical applications.

    Industry compliance standards

    • ISO 9001:2015 QMS in plastics manufacturing
    • EU REACH Regulation (EC) No. 1907/2006 for additive safety
    • UL 746C for polymer additives in end-use plastics
    • RoHS Directive 2011/65/EU for restricted substance compliance in electronics

    Typical usage ratio

    • 0.2–0.5% by resin mass for UV stabilization in PC, ABS, PET, PMMA

    Downstream process integration

    • Blended into polymer masterbatch by twin-screw or single-screw extrusion
    • Pre-mixed with plasticizers and impact modifiers prior to final compounding
    • Pigment and additive QC tests post-compounding
    • Integrated immediately before final pelletizing, injection molding, or profile extrusion

    Final product types

    • Automotive dashboard panels and trim
    • Electronics structural housings
    • Optical discs, films, and lenses
    • Technical-grade plastic sheets and rods

    3. Fluorescent Dye Synthesis for Analytical and Imaging Applications

    Chemical dye manufacturers source this raw material for synthesis of specialized fluorescent compounds. Its aromatic thiazole core serves in the assembly of molecular dyes and labels for scientific detection kits, chromatography, and microscopy stains. Strict color index registration and purity tracing are mandatory. The ratio of precursor to total dye charge follows proprietary formulation tables, generally specified by R&D function. Synthesis steps often involve diazotization, coupling, and purification through chromatography, with the thiazole introduced after condensation or sulfonation. Finished dyes are supplied for medical diagnostics, research test kits, and industrial QC methods.

    Industry compliance standards

    • ISO 17034 Reference Material Producer accreditations for analytical dyes
    • EN 71-3 migration guidelines for dyes used in labware
    • Color Index (C.I.) registration for commercial dye products
    • FDA 21 CFR Part 73 regulations if used as non-food biological stains

    Typical usage ratio

    • 0.4–1.2 equivalents per dye molecule; adjusted per final spectral shift requirement

    Downstream process integration

    • Added after primary condensation of aromatic bases
    • Coupled in controlled temperature reactors
    • Purified by column chromatography before formulation into dye concentrate
    • Final QC for purity, fluorescence intensity, and batch consistency

    Final product types

    • Fluorescent probes for biomedical imaging
    • Analytical labeling kits for chromatographic methods
    • Microscopy fluorescent stains
    • Industrial QC verification dyes

    4. Performance Modifier in Fine Fragrance and Aroma Chemicals

    Aroma chemical producers use 4,5-Diphenyl-2-Methylthiazole as a performance enhancer and intermediate in high-end fragrance ingredient synthesis. Several specialized perfumery molecules rely on its sulfur-heterocycle for depth and character. Its intake into the aroma production process follows completion of core synthetic steps, and formulation chemists dose it strictly within IFRA and REACH limits for permitted substances. Usage ratios depend on fragrance concentration and desired olfactory notes. Blending occurs under controlled atmosphere before distillation, and downstream purification ensures absence of unwanted byproducts. End products serve luxury perfumes, air care bases, and technical flavorings with stable and intense aromatic profiles.

    Industry compliance standards

    • IFRA Standards and Guidelines (latest amendment) for fragrance ingredients
    • EU REACH Regulation (EC) No. 1907/2006 for fragrance substances
    • ISO 9235:2021 Aromatic Raw Materials definitions
    • Good Manufacturing Practice (GMP) for flavor and fragrance chemicals

    Typical usage ratio

    • 0.01–0.15% of finished concentrate; fine-tuned for fragrance strength and regulatory limits

    Downstream process integration

    • Added after primary synthetic molecule assembly in fragrance blend
    • Measured in micro-batch reactors or bulk blend tanks
    • Refined by fractional distillation ahead of formulation
    • Pre-blend sample sent for IFRA and allergen verification

    Final product types

    • Fine fragrance compositions for luxury perfumes
    • Aroma molecules for air care and home scent
    • Flavor ingredients for technical food and beverage applications (where allowed)
    • Stabilized perfumery bases for industrial applications
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    Certification & Compliance
    More Introduction

    Introducing 4,5-Diphenyl-2-Methylthiazole: Our Perspective as the Original Manufacturer

    A Look Inside Our Factory Floor

    We have worked with countless thiazole derivatives over the years. Each material brings its own set of challenges and advantages, but 4,5-Diphenyl-2-Methylthiazole stands out in its class. Inside our production site, chemists and process operators handle the synthesis step by step, focusing on reliable purity and consistency from every reactor. Where many see only a white or off-white crystalline powder, we see hundreds of hours spent improving purification, streamlining filtration, and developing conditions that deliver strong batch-to-batch reproducibility. The end result remains a product we can use ourselves without hesitation, and that’s never just marketing talk.

    Understanding the Compound

    The structure—two phenyl rings flanking a reactive 2-methylthiazole core—gives this molecule unique value. We manufacture to support critical applications in organic synthesis, advanced material development, and specialty intermediates for pharmaceuticals and dyes. The solid nature of the molecule simplifies measurements and storage on the shop floor, but our biggest focus remains the careful control of purity and physical properties. Each batch undergoes melting point and spectral confirmation, because even minor changes in the crystalline form can affect reactivity and downstream results. Chemists can distinguish our 4,5-Diphenyl-2-Methylthiazole by how it melts clean and handles predictably in reactions, without sticky residues or unexpected traces of byproducts.

    Precision Drives Every Lot

    Producing this compound at commercial scales means working under strict quality controls. We use high-purity starting materials, filtered solvents, and finely tuned reaction parameters maintained by technicians who know how to read every subtle shift in color or consistency. From charge to distillation, every movement is logged and compared to the previous run. We established our analytical routines to confirm that we meet the specifications demanded by advanced synthesis labs, including close monitoring with NMR, IR, and HPLC. Our operators insist on full documentation, as reprocessing cuts into time and draws unnecessary costs. The process has become a point of pride among the staff, with even minor deviations triggering immediate investigation.

    Applications In Active Development

    4,5-Diphenyl-2-Methylthiazole lends itself to the development of complex molecules. Pharmaceutical research groups use it as a building block for bioactive thiazoles, where the electronic effects of the two phenyl rings can open up synthetic possibilities. In our own collaborations, we see the compound selected for unique conjugation strategies—chemists capitalize on its controlled reactivity to generate libraries for structure-activity studies. Across the specialty chemical sector, the aromaticity, steric demands, and low water solubility make this thiazole derivative a desirable intermediate in pigment, dye, and optical material research.

    Performance Differences from Similar Structures

    Every batch reflects our attention to more than just the CAS number. Many buyers are familiar with 4,5-diphenylthiazole or 2-methylthiazole, but the presence of the methyl group at the 2-position in our compound shifts reactivity and affects downstream transformations. Subtle steric differences matter to synthetic chemists—our production chemists routinely hear back from clients about improved yield during cyclization reactions or more predictable coupling with electrophiles due to the methyl-substituted core. We notice that in some dye applications, the chromatic hue and fastness differ between analogs, so material tracing always tracks to a specific synthesis route and not just the theoretical structure.

    Why Purity and Traceability Matter

    Any deviation in purity or trace impurities can disrupt a research program or manufacturing scale-up. Through experience, we know not all suppliers put the same emphasis on full impurity profiling. Our labs routinely run expanded analysis to check for subtle side products—unreacted phenyl precursors, overalkylated intermediates, low-level sulfur or oxygen contaminations. Traceability isn’t a regulatory burden—it’s something that makes it easy to repeat results, troubleshoot if a downstream batch behaves incorrectly, and communicate precisely with technical partners. We archive our chromatograms, spectral data, and batch histories for years, matching industry needs for GMP and research transparency.

    Our Experience With Customer Needs

    Technical questions arise with nearly every new application. We often field calls about solubility, melting point consistency, or behavior in specific solvent systems. Over the past decade, we’ve learned which factors prompt repeat orders: not only high purity but also consistent particle size that fits automatic weighing systems, packaging that minimizes static or clumping, and prompt technical support whenever results differ from expectations. Special demands, such as the need for an extra-dry form or options for pharmaceutical qualifying lots, get routed directly to production for small runs and study batches.

    Scale-Up and Process Adjustments

    Lab-scale chemistry rarely translates directly to manufacturing. When we scale up, we confront issues ranging from heat transfer and mixing to filtration bottlenecks. We refined the workflow for 4,5-Diphenyl-2-Methylthiazole over dozens of campaigns—solvent ratios, crystallization temperature, and the timing of work-up steps all play a role in limiting batch-to-batch variability. Operators remain attentive to simple but crucial details, like the state of line filters or conditions of glassware, which can mean the difference between a clean batch and one that needs rework. In this way, the experience built up in our plant ensures chemists receive material that performs predictably every time.

    Challenges: Handling and Safety Concerns

    Aromatic thiazoles demand respect in handling, both for operator safety and to ensure the finished product’s integrity. On our shop floor, we train staff to observe best practices for dust control, personal protective equipment, and prompt cleanup of spills. Even though the community rarely discusses toxicological concerns for these molecules, we recognize the need to prevent chronic exposure. This approach creates a safer workplace and preserves lot quality by preventing cross-contamination. Automation now assists in some manual steps, but our commitment to training and clear SOPs underpin plant safety and environmental responsibility.

    Feedback From Synthetic Chemists

    Direct technical feedback from our customers often leads to process tweaks. Researchers share real-world stories: difficulties in filtering during work-ups, challenges with solvation in less common organic solvents, or hints about reactivity with rare electrophiles. We listen, trial the suggestions, and if a solution improves reliability, it quickly becomes part of our established protocol. Such collaboration, born from a straightforward need to keep synthetic programs moving forward, often pays off in higher product quality and a stronger working relationship.

    Packaging Based on Practical Experience

    We learned to prioritize packaging that protects against moisture ingress and physical abrasion during transport. Our default is to fill inert, high-barrier liners and seal securely in industrial drums or smaller amber bottles based on order size. This protects the sensitive thiazole core and prevents formation of unwanted byproducts during storage and shipping. Many customers remarked on the difference in condition between material from our plant and that from other sources—our approach eliminates most caking or degradation even after extended shipping journeys.

    Why Technical Support Direct from the Factory Universe Matters

    Generic answers rarely solve the issues research labs or process development teams run into. We handle dozens of calls on new uses, specialized reaction conditions, or unexpected solubility patterns. Because the same people answering emails regularly work on the production floor, they know not only the written procedure but the small details that matter: how to handle thiazole dust, which solvents speed up dissolution, or which batch-specific quirks can crop up. Our support isn’t locked behind generic forms or transferred endlessly—chemists and technicians understand that every minute lost to troubleshooting means real project delays.

    Collaborative Batch Development

    Part of our success with 4,5-Diphenyl-2-Methylthiazole comes from custom runs for specific needs. Some groups request targeted modifications—particle size, solubility changes, or bespoke purity requirements. These requests produce tangible improvements in downstream performance. By involving production, R&D, and quality teams from the start, we quickly iterate experimental batches, eliminate bottlenecks, and confirm results in both our labs and at the customer site. The process strengthens trust and further refines our production pathway, so the next order fits right with the last.

    Comparing 4,5-Diphenyl-2-Methylthiazole to Other Products We Make

    Every thiazole we manufacture serves a distinct purpose. Compared to simple thiazole cores, the diphenyl and methyl substitutions in this product significantly influence solubility in organic media and smooth out issues in chromatographic separation. Some of the simpler thiazoles come with volatility and odor management complications. Fully substituted analogs can show higher melting points or reduced reactivity due to steric congestion, which chemists must compensate for with more aggressive reaction conditions. The specific balance in 4,5-Diphenyl-2-Methylthiazole opens up selectivity and compatibility that some alternatives simply cannot match, which our more seasoned customers recognize immediately.

    Process Control as the Backbone of Reliability

    Many think manufacturing organics comes down to following a recipe. In reality, the best performance comes from tightly controlled operations, where careful temperature monitoring, solvent clean-up, and raw material checks underpin every lot. We run real-time monitoring in the plant, trace raw materials, and enforce strict acceptance criteria on incoming supplies. Our team knows these controls mean less waste, greater consistency, and fewer production surprises. We field technical audits from international companies and government agencies, opening our facilities for inspection and sharing our control plans transparently. Facilities that aim solely for low cost often skip these steps, leading to variable results and disappointing partnerships.

    Adapting to Changing Regulations and Expectations

    Our regulatory team stays ahead of changes in chemical management and export controls, especially as regions update requirements for specialty thiazoles and intermediates. Each new directive means reviewing upstream suppliers, checking compliance paths, and maintaining full documentation. We already practice tracking the entire journey from raw material tank to finished drum, so regulatory shifts rarely catch us off guard. This attention to evolving guidelines translates into predictability for our partners and guarantees that compliance headaches never stall projects.

    Continuous Learning From the Field

    Every successful scale-up or problem solved in the field migrates back into plant practice. An example: a customer alerted us to stubborn off-flavors appearing in an aromatic application. We traced it back to trace solvent residues and remedied the extraction and vacuum drying process. Another time, an unexpected crystalline form created filtration headaches for a partner lab. A change in seeding procedures and a tweak in the cooling schedule cleared the issue. These stories build our collective experience and let us serve the next chemist better. In specialty chemistry, learning never stops, and every lesson gets integrated for future batches.

    Why We Stand Behind Our Name on Every Container

    It’s easy to print a label. Backing that label with proven consistency takes commitment. Every shipment of 4,5-Diphenyl-2-Methylthiazole leaving our warehouse reflects on generations of chemists, operators, and engineers who built the factory. We use the same lots in R&D and even internal development, so quality lapses come right back to us. Long-term clients—and quite a few peers in the industry—come to us because they recognize that our approach remains as practical and straightforward as their own lab routines. No shortcuts, no games, no surprise composition changes.

    The Realities of Meeting Market Fluctuations

    Supply chain challenges can disrupt any operation, but we worked to stock key raw materials and establish backup suppliers. Demand swings, project delays, or regional distribution hiccups affect scheduling. We keep communication clear—if there’s a delivery snag or delay, buyers hear it from us directly along with realistic timeframes. We learned this approach protects customer relationships and supports longer-term planning for both sides. Flexibility remains key: reserving production capacity, holding buffer stocks, and running extra purification cycles as needed.

    Transparent Pricing Linked to Production Realities

    Actual production costs drive price—raw material swings, energy costs, labor, and transport all show up in the final quote. We share the specifics openly with procurement teams because their trust only grows with transparency. Whenever throughput or market demand shifts, we keep customers updated on forecast impacts, never resorting to lowball pricing at the expense of future quality.

    Built for Research and Advanced Production Alike

    As demand grows for advanced thiazole intermediates in pharmaceuticals, materials, and specialty chemicals, we invested in production lines ready for both small R&D batches and large-scale commercial orders. Each production scale benefits from the deep-rooted process controls we developed through years of practical hands-on manufacturing. From kilograms for pilot studies to multi-ton supply programs, the goal remains simple: deliver a product that performs exactly as expected, each and every time.

    Our Commitment to Responsible Manufacturing

    Producing thiazole derivatives for the long term means taking care of our workforce, community, and environment. We invest in options for process waste minimization, solvent recovery, and energy efficiency. Our compliance with environmental and workplace safety rules isn’t just about checking boxes—it underpins a durable business where every worker expects a clean, safe facility every day. Customers receive not just product, but confidence that the material came from a plant that honors real-world responsibility.

    A Product With a Proven Track Record

    Year after year, 4,5-Diphenyl-2-Methylthiazole has supported breakthroughs—from new fluorescent dyes and specialty pharmaceuticals to academic research and commercial launch campaigns. Our plant teams take personal satisfaction in hearing how material from their lines moves innovation forward in distant labs. Each successful application feels like a shared win, and close technical feedback only motivates us to raise the bar.

    Open Doors, Open Dialogue

    We welcome challenging technical questions. Our approach—the same people who make and ship the product take calls, answer questions, listen to field experiences, and recommend improvements—keeps us grounded and ensures our learning never stops. We build practical chemistry from the molecules up, always remembering that the next innovation or discovery might depend on our day’s work with a single batch of 4,5-Diphenyl-2-Methylthiazole.