Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing admin@sinochem-nanjing.com 3389378665@qq.com
Follow us:

2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid

    • Product Name 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid
    • Alias bipyrazole
    • Einecs 841-496-5
    • 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

    488861

    Product Name 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid
    Cas Number 32871-16-8
    Molecular Formula C12H12N2O2
    Molecular Weight 216.24
    Appearance Off-white to light yellow solid
    Melting Point 193-197°C
    Solubility Slightly soluble in water, soluble in organic solvents
    Purity Typically ≥98%
    Smiles Cc1nn(C)c(c1)c2ccccc2C(=O)O
    Inchi InChI=1S/C12H12N2O2/c1-8-7-13-14(2)11(8)9-5-3-4-6-10(9)12(15)16/h3-7H,1-2H3,(H,15,16)
    Storage Conditions Store at 2-8°C, protected from light and moisture

    As an accredited 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 10g package is a sealed amber glass bottle with a printed label displaying chemical name, formula, hazard symbols, and batch number.
    Shipping 2-(3,5-Dimethyl-1H-Pyrazol-4-yl)benzoic acid is shipped in secure, airtight containers to prevent moisture and contamination. It is packed according to chemical safety regulations, labeled appropriately, and typically transported via ground or air freight. Documentation on handling and safety accompanies each shipment to ensure compliant and safe delivery.
    Storage Store 2-(3,5-Dimethyl-1H-pyrazol-4-yl)benzoic acid in a cool, dry, and well-ventilated area, tightly sealed in its original container. Protect it from moisture, heat, and direct sunlight. Avoid sources of ignition and incompatible substances such as strong oxidizers. Ensure appropriate chemical labeling and restrict access to trained personnel. Use proper personal protective equipment when handling the chemical.
    Application of 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid

    Applications of 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid in Industrial Manufacturing

    2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid serves downstream industries as a specialty intermediate, especially for sectors requiring advanced heterocyclic building blocks. Through precise synthesis and controlled QC protocols, this compound integrates into several high-value-added applications with strict formulation, regulatory, and processing requirements.

    1. Active Pharmaceutical Ingredient (API) Intermediate for Anti-Inflammatory Drugs

    API manufacturers frequently employ this compound as a core intermediate during multi-step synthesis of non-steroidal anti-inflammatory drugs (NSAIDs). The pyrazole-benzoic acid framework offers a foundation for subsequent functionalization, ensuring finished APIs meet impurity profiles set by regulatory agencies. Our material passes trace metal and solvent residue controls to assist pharmaceutical processors in maintaining cGMP batch records and documentation. Customers generally request tailored specifications, necessitating precise process validation.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice Guidance for Active Pharmaceutical Ingredients
    • EU GMP, Part II for API intermediates
    • USP <467> Residual Solvents
    • EDQM/Ph. Eur. for pharmaceutical raw materials

    Typical usage ratio

    • 5–20% of total reaction mass during key condensation or cyclization steps; final ratio depends on desired yield, scalability, and purity requirements for the target API, with process development dictating charge levels for each stage.

    Downstream process integration

    • Introduced post-primary coupling; reacts with amines or activated esters.
    • Subjected to hydrogenation or acylation as part of the complete molecule assembly.
    • Material handled in jacketed reactors with GMP batch controls.
    • QC monitoring for critical process parameters (CPPs) such as pH and temperature during addition.

    Final product types

    • Anti-inflammatory drug APIs (e.g., custom arylpyrazole NSAIDs)
    • Multiple pyrazole-based pharmaceutical actives
    • Pharmaceutical-grade intermediates for further functionalization
    • Pilot and commercial-scale drug substances

    2. Synthesis Intermediate in Agrochemical Active Compounds

    Agrochemical companies incorporate this molecule into synthetic schemes for selective herbicides and fungicides. The pyrazole nucleus grants specificity in designing active ingredients targeting resistant weed species and fungal pathogens. Stringent quality documentation supports customer registration dossiers for new agrochemical submissions, with typical process steps including nitration, chlorination, or coupling as per proprietary routes.

    Industry compliance standards

    • FAO/WHO Specifications for Plant Protection Products
    • ISO 9001:2015 for raw material traceability
    • REACH Regulation (EC) No 1907/2006 for European market access
    • Globally Harmonized System (GHS) labeling for shipment

    Typical usage ratio

    • 2–7% by weight of reaction batch for condensation or cyclization; variation arises according to the active ingredient yield, selectivity required, and processing scale, with tighter limits at pilot-plant levels.

    Downstream process integration

    • Enters as a core intermediate after initial halogenation or nitration of the precursor arene.
    • Injected into pressure vessels or reactors for further functionalization.
    • Processed under inert atmosphere to preserve active sites on the molecule.
    • Batch tracking and impurity profiling conducted according to agrochemical registration requirements.

    Final product types

    • Selective pyrazole-based herbicides
    • New-generation fungicidal active ingredients
    • Agrochemical intermediates for patent applications
    • Technical-grade crop protection agents

    3. Building Block for Specialty Dyes and Pigments

    The high reactivity at both the pyrazole and benzoic acid moieties makes this raw material ideal for the synthesis of specialty dyes, including those for plastics and fibers requiring high temperature and chemical resistance. Our product supports colorant producers through consistent lot-to-lot reactivity and low trace impurity burdens, facilitating reproducible pigment formations in continuous or batch dye synthesis.

    Industry compliance standards

    • REACH Annex XVII for dye and pigment precursors in the EU
    • RoHS Directive (2011/65/EU) for colorants used in electronics and plastics
    • ISO 1833-1:2020 for dye composition verification
    • OEKO-TEX® Standard 100 when used in textiles

    Typical usage ratio

    • 1–10% of reaction mass in pigment synthesis, with quantity tailored to target chromophore intensity and shade depth; actual use decided by final application (e.g., plastics, coatings, fibers).

    Downstream process integration

    • Added during coupling reactions to introduce pyrazole chromophores to the main dye matrix.
    • Subjected to diazotization, alkylation, or metallization as part of pigment production.
    • Production lines use closed mixing tanks to prevent cross-contamination and color drift.
    • Integrated inline color strength and hue testing prior to isolation.

    Final product types

    • High-performance pyrazole-based dyes for synthetic and natural fibers
    • Specialty pigments for engineering plastics
    • Color concentrates for automotive coatings
    • Disperse dyes for polyester and polyamide textiles

    4. Intermediate for Heterocyclic Material Synthesis in Specialty Polymers

    Polymer R&D teams exploit this compound to introduce complex heteroaromatic units into advanced polymer backbones, imparting thermal and chemical resistance. Typical applications include the synthesis of specialty films, engineering resins, and membrane materials, where heterocyclic incorporation raises softening points and chemical durability. Material control protocols ensure consistent molecular weight achievement for downstream polymerizers.

    Industry compliance standards

    • ISO 9001:2015 for materials supply consistency
    • ASTM D883-20 for plastics terminology and classification
    • ISO 11357 for DSC polymer testing methods
    • RoHS compliance for polymers in electronic and automotive applications

    Typical usage ratio

    • 0.5–3 mol% as repeating unit or chain modifier; level adapted to desired performance in thermal and chemical resistance, determined through initial pilot formulation studies.

    Downstream process integration

    • Fed into pre-polymerization blends during polycondensation or step-growth polymer synthesis.
    • Used as a comonomer in polyamide or polyimide backbones.
    • Reactor temperature and monomer feed rates adjusted to control molecular weight distribution.
    • Batch record and traceability applied for critical performance polymers.

    Final product types

    • Specialty polyimides for flexible printed circuits
    • High-durability polyamide films
    • Engineering polymers for automotive connectors
    • Membrane materials for selective permeation in industrial separations
    Free Quote

    Competitive 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid prices that fit your budget—flexible terms and customized quotes for every order.

    For samples, pricing, or more information, please call us at +8615371019725 or mail to admin@sinochem-nanjing.com.

    We will respond to you as soon as possible.

    Tel: +8615371019725

    Email: admin@sinochem-nanjing.com

    Get Free Quote of Sinochem Nanjing Corporation

    Flexible payment, competitive price, premium service - Inquire now!

    Certification & Compliance
    More Introduction

    Introducing 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid
    A Manufacturer’s Perspective

    A Closer Look at 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid

    At our chemical production facility, 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid emerges from years of hands-on process optimization and practical lab insight. Every batch reflects our direct control over raw material sourcing, process environment, and finished product purity. We don’t just handle the chemistry—we shape it daily through precise temperature control, tailored solvents, and a detailed understanding of pyrazole ring formation. Our technicians engage with the molecule not just on paper but with every sensor readout and instrument calibration. This translates to a product that consistently meets the demands of downstream synthesis, whether for research or intermediate chemical processing.

    Real-World Specifications That Matter

    In our experience, discussions of “specifications” tend to float above the floor where shipments are packed and tested. With this molecule, purity remains the central concern. We consistently monitor by HPLC and NMR, targeting impurity profiles that do not introduce unexpected variables into your reactions. Moisture and residual solvent analysis takes place next to every batch release so you receive a dry, free-flowing powder each time—no clumping, no discoloration, no surprises under a microscope.

    From a practical standpoint, the product’s melting point, typically observed in the 190–195°C range, sets a baseline for processing conditions. Our QA team checks this with every lot, and we never dispatch material below our published threshold. Particle size distribution receives similar attention, since handling properties in flasks or reactors shift dramatically with these physical traits. Regular feedback from chemical engineers in application-focused facilities has taught us that small variations here can cause processing headaches down the line. We grind, sieve, and test until the material pours smoothly and blends reliably in your shop.

    Direct Applications and Why Chemists Choose This Molecule

    The team here appreciates that 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid does not gather dust on a shelf. Synthetic organic chemists use it most for its twofold utility—the pyrazole ring unlocks both electronic and steric benefits, bringing value to intermediate design. Pharmaceutical research groups often turn to this compound when developing kinase inhibitors and other ligand frameworks, taking advantage of the methyl substitutions that modify hydrogen bonding and lipophilicity.

    On the agrochemical side, we field requests from formulators eager for heterocyclic building blocks—here, the aromatic benzoic acid moiety brings reactivity to derivatization strategies and lets process chemists tack on further functionality without excessive protecting group manipulations. We know that reliability in carboxyl group reactivity impresses those seeking straightforward coupling to peptide chains or aryl amines.

    How We Produce 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid

    Unlike distributorships or off-the-shelf resellers, our plant’s output springs directly from raw precursors, often sourced by our own purchasing division in close concert with key agricultural or petrochemical suppliers. Our team uses a stepwise synthesis beginning with toluene derivatives, running through selective dimethylation, and controlled cyclization. Years of technical troubleshooting have yielded a process where side reactions remain minimal and purification requires less solvent—an advantage for both purity and environmental footprint.

    QC staff run parallel and post-reaction checks to catch runs that drift off specification. Many visitors to our facility remark on the number of live analytical stations—we take this as just normal practice, since errors caught late only cause headaches at the customer site. Where some might rely on a final product test, our staff check intermediates and final product alike, helping catch issues before the material leaves the reactor jacket.

    This product’s laboratory stability also speaks to its practical advantages. Under ambient storage in dry, sealed packaging, we have observed multi-year shelf stability without loss of reactivity or change in color profile. We avoid introducing stabilizers wherever possible, since customer labs often need material free of hidden unexpected additives. Our focus remains on delivering a consistent, reliable molecule every time, free of batch-to-batch drift.

    Why This Molecule Stands Apart From Its Peers

    In organic synthesis or pharmaceutical research, close relatives of this compound—such as other substituted pyrazolyl benzoic acids—often introduce complications. Alternative methylation patterns on the pyrazole ring impact both the compound’s solubility and its reactivity in coupling reactions. We learned this both through our own R&D and frequent conversations with industrial chemists who’ve seen alternate configurations create purification headaches or poor yields when linking to larger scaffolds.

    Another major differentiator here involves the substituent positions. The dimethyl groups at positions 3 and 5 on the pyrazole framework reduce the risk of tautomeric instability under a variety of reaction conditions. While some competitors offer mono- or other substitution isomers, these generally do not provide the same robust behavior under basic or acidic catalysis, nor do they maintain consistency during hydrogenation or oxidation. Our approach delivers a stable material that keeps its structure intact where other intermediates might shed a methyl or shift their aromaticity.

    Some buyers ask why not use a simpler benzoic acid or a more common pyrazole. What sets this structure apart is the synergy between the electron-rich methylated pyrazole and the carboxylic acid. This is not just another “building block,” but an intentionally crafted molecule for linking, coupling, or direct pharmacophore exploration. In medicinal chemistry, subtle tweaks in ring methylation yield big shifts in enzyme activity or selectivity. Our hands-on experience has shown these differences play out not just under NMR but in actual bioactivity screens and high-throughput trials down the road.

    From Bulk Orders to Custom Projects

    Producing at scale brings familiar challenges. Unlike small-batch pilot runs, each metric ton receives full traceability from raw material intake to packed container. For specialty projects or custom modifications, our synthesis group adjusts parameters on a per-batch basis, whether for reinforced purity or alternate particle morphology. Having feet on the floor—chemists balancing pH, monitoring heat, and cleaning vessels—makes this flexibility possible. The direct relationship we foster internally with R&D teams lets us pivot quickly, delivering specialty lots on timelines that guard project momentum for our clients.

    Feedback from bench chemists often shapes our production priorities. Requests for solids with extended flow properties, higher fraction of mono-dispersed particles, or extra-dry powder have translated to upgrades on our equipment and doubled our air-drying line’s throughput. We never see a “minimum order”; we see an application opportunity. Our processes absorb scale-up demands through maintenance and investment rather than shortcuts or diluted focus.

    Packing Practicality Into Every Shipment

    Pack-out and transit play a bigger role than many realize in ensuring your material arrives as expected. Simple changes—anti-static liners, tamper-evident seals, or targeted desiccation—have cut customer complaints by more than half in the last two years alone. We don’t over-promise on shelf life or stability: our records and stability studies anchor every claim, and we adjust packing methods yearly, tracking customer feedback closely.

    Our loading dock sees everything from lab-size vials to 25-kg drums. Existing relationships with regional carriers mean less handoff damage, and we ensure each container prevents environmental moisture access. Not every molecule stands up to day-long transport in the heat; this one, thanks to its robust aromatic core, does, as long as the packaging execution stays sharp.

    Industry and Regulatory Observations

    Working directly with regulatory compliance means we see firsthand the shifts in expectations for intermediates like 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid. Agencies now expect full traceability and validated impurity profiles, and we incorporate those standards into every SOP we follow on the plant floor. We audit supply streams for precursor security, preparing documentation that meets scrutiny from global pharmaceutical, agrochemical, and materials science authorities.

    Unlike traders who may lose sight of actual chain of custody, our manufacturing records grant each customer insight into batch-level histories. Our analytical compliance specialists check every COA for accuracy, verifying against both internal and external reference standards. This documentation integrates directly with electronic batch records, allowing for full transparency if a customer needs to reference a lot from years past.

    The Role of This Molecule in R&D and Commercial Synthesis

    Any new chemistry brings risk. We routinely hear from researchers troubleshooting stuck reactions or subpar yields where alternative heterocyclic acids fail to deliver. Our material, with its tightly controlled methylation pattern, tends to demonstrate more predictable coupling performance. This is not just anecdotal—our customers report improved throughput in Suzuki-Miyaura coupling, acid chloride formation, and amidation compared to structurally similar but less rigorously manufactured options.

    Medicinal and agrochemical teams turning out hit after hit aren’t looking for the cheapest input—they want error-free process integration and clear analytic support. Our involvement in contract synthesis projects gives us a deep appreciation for minimizing sources of “black box” reactivity in SAR programs. Major pharma and ag-tech clients consistently prioritize reliability above theoretical maximums for yield or purity. Taking real feedback into account, we have tweaked our synthetic route to minimize byproduct carryover that can derail analytics.

    Supporting Innovation Through Direct Access to the Manufacturer

    Scientists, especially those facing tight budgets and timelines, tell us repeatedly that traceable, stable materials shave weeks off project schedules. We offer direct support—our technical staff remain available for troubleshooting and application queries long past order delivery. Much of our team’s job involves helping chemists tweak solvent systems, buffer pH, or adjust reaction conditions based on direct insights about this molecule’s quirks. This hands-on perspective rarely appears in published literature but often closes gaps in process understanding at the bench.

    We see the whole value chain, from raw input to finished product, and collaborate with research partners to refine application pathways. This approach often produces side benefits: improved sustainability, reduced waste, and more scalable process flows. Customers who involve us early save valuable time during pilot and scale-up phases.

    Practical Challenges and Continuous Improvement

    No manufacturing process stays perfect forever. Cycle after cycle, we encounter and address issues large and small—raw solvent inconsistencies, unexpected byproducts, or scaling hurdles when transitioning from kilo lab to ton-scale output. Our production staff relies on disciplined planning, thorough documentation, and open lines of communication from shift supervisors up through technical management. This operational transparency feeds back into quality improvement, letting us correct trends before they reach the customer.

    Every time a customer flags a texture, reactivity, or impurity issue, we convene process reviews to root out the cause and propose systematic fixes. Sometimes these reviews lead to equipment upgrades—new dryers, enhanced filtration—or procedural changes like triage lots for close monitoring. For us, accountability doesn’t end at the loading dock; it plays out across every operator and supervisor tied to each specific batch.

    Key Learnings From Working With 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid

    Over time, certain patterns stand out. Laboratories that succeed with their synthesis programs share one thing: dependable raw materials. Every subtle change—methylation sites, moisture content, packaging—ripples down the supply and manufacturing chain. Chemists leveraging our product have pointed to easier purification, fewer side products in coupling reactions, and stable performance whether in exploratory synthesis or process scale-up.

    We track these outcomes closely through follow-up surveys and technical consultation. In response, we have modified our handling and QA procedures, tuning not only the chemistry itself but also the information feedback loops to our customers. This iterative process closes the gap between what gets synthesized and how it performs in the real world of industrial chemistry.

    Waste Management and Environmental Responsibility

    Running our own manufacturing operations means facing the realities of solvent use and waste minimization each day. Unlike traders or resellers, our team bears the full impact of process decisions. Every change in solvent type or purification protocol directly affects our environmental footprint. Years in the business have taught us to favor shifts that cut energy use and waste even if it takes longer to implement or costs more in the short run.

    Local and international regulations on chemical discharge and effluent push us to design cleaner, more efficient production lines. Our staff actively reviews methods to recover or recycle solvents, and we engage third-party auditors for environmental checks. The byproduct streams from this synthesis receive careful treatment, minimizing emissions and ensuring compliance with all mandated thresholds.

    The result is a product that not only meets customer needs but also reflects our responsibility in managing hazardous materials from start to finish. We document all waste streams and continuously research new pathways for greener chemistry—an ongoing process that strengthens our commitment to sustainable production.

    Conclusion: The Manufacturer’s Edge

    Every kilogram of 2-(3,5-Dimethyl-1H-Pyrazol-4-Yl)Benzoic Acid rolling off our production line carries with it the experience and commitment of our entire team. This is not an anonymous bulk chemical filtered through middlemen—it is the result of real people, real equipment, and decades spent refining every detail of synthesis, packing, and support. We remain committed to sharing our insights with the chemical community, anticipating project risks, and resolving obstacles before they become setbacks.

    Chemistry at this level is both art and science. Our role as a direct manufacturer means we never lose sight of where and how our product is put to use. This partnership—the bridge between our shop floor and your lab bench—remains the core value we offer with every order shipped, every batch tested, and every answer given.