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5-(2,6-Dichlorophenyl)-1H-Tetrazole

    • Product Name 5-(2,6-Dichlorophenyl)-1H-Tetrazole
    • Alias DCT
    • Einecs EINECS 401-220-5
    • 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

    234526

    Chemical Name 5-(2,6-Dichlorophenyl)-1H-Tetrazole
    Molecular Formula C7H4Cl2N4
    Molecular Weight 231.04 g/mol
    Cas Number 50890-83-0
    Appearance White to off-white solid
    Melting Point 188-192 °C
    Purity Typically ≥98%
    Solubility Slightly soluble in water, soluble in organic solvents
    Storage Conditions Store at room temperature, keep container tightly closed
    Smiles Clc1cccc(Cl)c1-n2nnnn2
    Inchi InChI=1S/C7H4Cl2N4/c8-5-3-1-2-4-6(5)7-12-11-9-10-7/h1-4H,(H,9,10,11,12)
    Synonyms 2,6-Dichlorophenyltetrazole
    Application Intermediate in pharmaceutical synthesis

    As an accredited 5-(2,6-Dichlorophenyl)-1H-Tetrazole factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing The 5-(2,6-Dichlorophenyl)-1H-Tetrazole is packaged in a 25g amber glass bottle, sealed and labeled with hazard warnings.
    Shipping **Shipping Description:** 5-(2,6-Dichlorophenyl)-1H-Tetrazole is shipped in a tightly sealed chemical-resistant container to prevent contamination and moisture exposure. The package is labeled according to safety regulations, including hazard classifications if applicable. It is transported under standard conditions, with documentation for safe handling, ensuring compliance with local and international shipping regulations.
    Storage Store **5-(2,6-Dichlorophenyl)-1H-Tetrazole** in a cool, dry, well-ventilated area away from heat, ignition sources, and incompatible materials such as strong oxidizers. Keep the container tightly closed and protected from moisture. Use a suitable, labeled chemical storage cabinet and avoid prolonged light exposure. Follow local regulations for storage and ensure easy access to safety data sheets and spill cleanup materials.
    Application of 5-(2,6-Dichlorophenyl)-1H-Tetrazole

    Applications of 5-(2,6-Dichlorophenyl)-1H-Tetrazole in Industrial Manufacturing

    5-(2,6-Dichlorophenyl)-1H-Tetrazole serves as an advanced specialty chemical in multiple industrial synthesis routes. As the original manufacturer, we supply this raw material for well-established uses in the pharmaceutical, agrochemical, and specialty chemical intermediate markets. Each application demands precise attention to regulatory requirements, dosage levels, process staging, and final product targets. Below we detail its primary industrial applications.

    1. Sartan-Class Antihypertensive Drug Synthesis

    Pharmaceutical manufacturers utilize this compound as a key tetrazole intermediate in the multi-step synthesis of angiotensin II receptor antagonists (sartans), including valsartan and candesartan. The chemical’s unique tetrazole ring is critical for constructing the active pharmacophore in these APIs. It must comply with strict pharmaceutical-grade standards to ensure batch purity and process safety in scalable medicinal production.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for Active Pharmaceutical Ingredients
    • European Pharmacopeia (Ph. Eur.) requirements for API intermediates
    • USP/NF current edition (for process validation traceability)
    • REACH registration for chemical safety in the EU

    Typical usage ratio

    • Used at 0.7–1.2 molar equivalents relative to starting bromo-benzonitrile, with adjustment to route-specific conversion yields and scale

    Downstream process integration

    • Charged into closed vessel reactors for nucleophilic aromatic substitution or cyclization steps, generally following initial halide activation and preceding final hydrogenation or amidation

    Final product types

    • Valsartan API
    • Candesartan cilexetil API
    • Olmesartan medoxomil API
    • Irbesartan API

    2. Agricultural Fungicide Intermediate Manufacturing

    Agrochemical producers employ this tetrazole derivative as an intermediate for synthesizing strobilurin and triazole-based fungicides, where its dichlorophenyl moiety serves functional roles in final product bioactivity. Material specifications must support downstream environmental and toxicological review processes in regulated crop protection applications.

    Industry compliance standards

    • FAO/WHO Joint Meeting on Pesticide Specifications (JMPS)
    • ISO 9001:2015 Quality Management for agrochemical intermediates
    • OECD Good Laboratory Practice (GLP) for toxicity and residue studies
    • US EPA 40 CFR Part 158 Data Requirements for Agronomic Chemicals

    Typical usage ratio

    • Added at 10–18% weight/weight of total reactants depending on specific fungicide route and conversion efficiency; adjusted per batch-to-batch variations in impurity profile

    Downstream process integration

    • Integrated in the early-stage construction of the active ingredient benzene core, typically via condensation with pyrimidine precursors before final triazole ring formation and purification

    Final product types

    • Azoxystrobin technical grade
    • Tebuconazole technical grade
    • Custom strobilurin fungicide intermediates

    3. Advanced Specialty Chemical Synthesis

    Manufacturers of specialty organics use 5-(2,6-dichlorophenyl)-1H-tetrazole as an advanced intermediate in the preparation of high-value industrial chemicals, such as corrosion inhibitors for pipeline and oilfield chemicals, as well as building blocks for UV-absorbing compounds. Each use case requires robust controls throughout synthesis and validated raw material conformity for downstream application in regulated markets.

    Industry compliance standards

    • ISO 14001 Environmental Management for specialty chemical production
    • REACH Annex VII–X for substance registration relevant to end-use
    • American Chemistry Council’s Responsible Care® program
    • Customer-specific technical grade specifications (e.g., for O&G sector)

    Typical usage ratio

    • Employed at 3–7% weight in multi-reactant synthesis, tailored to desired molecular weight and structural specificity of targeted end-product

    Downstream process integration

    • Introduced during main reaction flask charge, post-initial base or coupling agent addition, and prior to final functionalization or purification; process varies by target compound synthesis

    Final product types

    • Tetrazole-based corrosion inhibitor dispersions
    • UV stabilizing agents for polymer additives
    • Specialty analytical reagents

    4. Electronic Grade Synthesis for Specialty Polymers

    Producers in the electronics sector deploy the compound as a controlled additive or intermediate for advanced polymers used in circuit encapsulation or as charge-transport materials. The molecule's electron-donating and aromatic properties offer functional performance in niche polymer systems, necessitating ultra-high purity and tight analytical control during integration.

    Industry compliance standards

    • IEC 61249-2-21 for halogen-free requirements in base materials for printed circuit boards
    • IATF 16949 for automotive electronics supply chain
    • RoHS Directive (Directive 2011/65/EU) for restricted substances in electronics
    • Customer-driven specifications on electronic grade purity and trace metal content

    Typical usage ratio

    • Employed at 0.3–1.2% by polymer mass, modulated by conductivity or insulation requirements of the formulated material

    Downstream process integration

    • Added during the initial polymer resin feed, generally before cross-linking or co-polymerization steps, to control final electrical properties and material morphology

    Final product types

    • Encapsulation-grade electronic resins
    • High-performance insulating films for flexible circuits
    • Engineered charge-transport materials for advanced semiconductors
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    Certification & Compliance
    More Introduction

    5-(2,6-Dichlorophenyl)-1H-Tetrazole: An In-Depth Overview from the Manufacturer’s Workbench

    Origins and Core Characteristics

    Our work with 5-(2,6-Dichlorophenyl)-1H-Tetrazole began on the production floor, responding to the changing demands of pharmaceutical and fine chemical development. Over the years, our crew has honed batch preparation methods to ensure that each lot meets both purity and performance benchmarks set by researchers and industrial partners. This compound, recognized for its aromatic dichlorophenyl group fused to a tetrazole ring system, represents an important advancement for scientists searching for consistent intermediates that bring value beyond standard tetrazoles.

    Compared with common tetrazole variants on the market, this molecule carries two chlorine atoms at ortho and para positions, introducing electron-withdrawing effects that shift reactivity and offer a distinct profile in synthetic applications. These structural differences translate into reliably repeatable behavior during condensations, cycloadditions, and as a key fragment for certain pharmaceutical building blocks. On the factory floor, these subtle changes in structure alter product handling, requiring tailored recrystallization and drying protocols to guarantee maximum purity and optimal yield.

    Specifications Born of Real-World Production

    Direct manufacturer control from raw starting materials to final packaging lets us offer clarity over each aspect. Instead of trusting certificates handed down by intermediaries, every batch is tracked through material balances, NMR fingerprinting, HPLC area percentage, and water content testing. We keep chlorinated impurities below strict limits, monitored by gas chromatography. Typical output meets or exceeds 99% area purity, though occasional variations in raw aniline sources necessitate periodic review of our purification strategy.

    Particle sizing receives attention, especially when supporting customers scaling into pilot or commercial quantities. Some users request microcrystalline forms to improve mixing in solvent systems, while others want larger granules to limit dust during dry compounding. Our equipment lineup – mills, sieves, and vacuum dryers – allows us to offer customization, but always within the boundary set by the integrity of the tetrazole ring. Each unit operation has taught us to recognize the sound of a dryer that’s run too long or a mill rotor that goes out of balance, both of which can impact product quality.

    Application Insights: How Chemists Actually Use This Compound

    Chemists and formulators often look at this compound not as an endpoint, but as a starting point for value-added synthesis. In nitrogen-heterocycle chemistry, the dichlorophenyl motif brings a fine balance between lipophilicity and electronic withdrawal, which is crucial when fashioning new drug scaffolds. Many pharmaceutical intermediates have failed in development because early-stage reactions drift or lack selectivity, something our product helps minimize due to the high lot-to-lot consistency.

    A significant percentage of the annual volume we supply ends up as a precursor for angiotensin receptor modulators. Feedback from customers shows that higher-purity lots yield better downstream crystallizations, leading to final products with sharper melting points and greater ease in purification. Some clients take advantage of the chlorine atoms for sequential substitution, while others preserve the tetrazole core to confer metabolic stability in the finished drug molecule. These points of differentiation have shaped the investments we have made in analytics and reactor upgrades.

    Differences That Matter: More Than a CAS Number

    It is common to think all batches of 5-(2,6-Dichlorophenyl)-1H-Tetrazole perform similarly if they share a CAS number. Experience shows this is far from the truth. Small differences through each manufacturing stage – solvent choice, ambient temperature controls, and timing of each addition – shape the impurity profile and physical attributes of the final material. Some grades on the market fail to reach useful melting-point ranges or hold micro-trace starting material, which can throw off downstream HPLC peaks or act as unwanted nucleophiles in subsequent steps.

    Because we oversee the full process, chemists reaching for our material eliminate guessing games in their synthesis. Requests sometimes come in for full impurity catalogs and heavy-metal profiles, particularly from partners in regulated industries who face strict scrutiny from authorities. We supply these with confidence, knowing the plant’s analytical staff have validated every method in-house and regularly update reference spectra.

    Sourcing from actual manufacturers, as opposed to channel partners or brokers, means end-users can trace every drum back to its reactor batch date and material log. We store retains from every lot for possible re-evaluation if customer results call for comparison after a few years. Maintaining this level of traceability adds overhead but improves the real value of the molecule where it counts – in the hands of the person building novel molecules or preparing pilot plant batches.

    Batch Consistency and Quality: Lessons from the Shop Floor

    In the daily run of operations, consistency matters as much as advertised assay or labeling. Past experience has taught us the difference a well-tended drying curve or solvate removal step can make. If the plant environment drifts out of spec due to humidity or cooling swings, final product flow properties suffer. We calibrated our process controls not only around analytical data but through touch and observation. Our long-serving operators recognize shifts in crystallization behavior and can pinpoint root causes such as slight dosing changes or supplier shifts in primary aniline.

    Feedback from failed customer reactions brought us closer to root issues. In one case, a minor side product traced back to a cleaning solvent residue altered a partner’s coupling reaction yield. Instrumental controls help, but hands-on vigilance guarantees true purity in each drum shipped out. Consistent product lets formulation chemists focus on their research, not troubleshooting inconsistencies.

    Safety and Handling Insights from Years of Direct Contact

    Daily proximity to this compound means all routines revolve around keeping the workplace safe and ensuring the product doesn’t degrade before reaching the customer. Chlorinated tetrazoles bring reactivity higher than plain organic solids, so every storage and handling protocol comes from factory experience, not just regulatory codes. At the plant, unloading silos too quickly or stacking containers without airflow invites caking. Even carefully dried material can pick up moisture during monsoon months, so we invest in nitrogen-purged packaging lines and sealed barrels. Our in-house safety staff have tracked small exotherms during bulk transfers, and we install regular thermal scans in both production and warehouse areas to spot hot spots before they become a risk.

    Transportation insights also come directly from experience. We have seen drums rerouted across continents, experiencing wide swings in temperature and humidity. Stable packaging guarantees the powder stays free-flowing and contaminant-free even under challenging transit conditions. Over time, clients came to value our extra attention to these details, since clumping or off-color product means lost batch time and wasted equipment cleaning on their end.

    Environmental Responsibility: Pollution Controls and Waste Management

    Working with chlorinated raw materials challenges every plant’s environmental systems. Tetrazole synthesis generates side streams containing chlorides and azides, prompting us to invest in multiple waste neutralization steps. Every kilogram shipped to our partners comes with multiple more kilograms of byproduct managed in-house. Over the years, process changes have reduced solvent use and cut fugitive emissions well below local regulatory thresholds. We capture reaction off-gas scrubbing water, routinely analyze effluent, and keep a close eye on our treatment plant’s performance data.

    In projects with external partners, we assist in post-use recovery from waste streams, especially during pilot and commercial scale campaigns. Clients receive not just drums of product, but, when needed, advice on filtration, neutralization, and safe venting. This comes from knowing how scrubbing tower malfunctions or a sudden lab-scale spike in pressure throws an entire day’s operation into hazard mitigation. As climate and regulatory focus intensify, factories like ours now document every emission stream and chase opportunities to reduce the environmental load further.

    Logistical and Supply Challenges

    Supplying specialty chemicals demands planning beyond simple output schedules. Unplanned shipping delays, container backlogs, and unpredictable customs requirements have all impacted delivery timelines for customers worldwide. In a few rare global supply crunches, only plants holding strategic stocks or capable of quick turnarounds could maintain steady supplies. With manufacturer control, we strategize buffer stocks, monitor supplier changes for raw materials, and set up early shipment plans for annual orders by pharmaceutical clients.

    In peak periods, our logistics team’s collaboration with production makes all the difference. They match plant batch runs with in-transit stock status, tweak drying and packing schedules to cut time between quality release and actual shipment. Years spent talking directly with logistics providers showed us which routes and carriers handle sensitive goods best and informed upgrades to drum design that shields from rough handling. Close support doesn’t end with cargo departure, either. Customers on urgent development timelines can ask for detailed chain-of-custody records and proactive updates, and we make sure they get them in real time.

    Collaboration as a Source of Innovation

    Many of our product upgrades come directly from field feedback. With each inquiry, whether for new purity requirements or particle size modifications, we have the chance to revisit production methods and invest in new equipment or staff training. In one project, a partner developing a next-generation antihypertensive compound worked hand in hand with us to refine the impurity profile of our 5-(2,6-Dichlorophenyl)-1H-Tetrazole. Their analytic chemists spotted a minor impurity just above their thresholds; together, we reformulated reaction quenching protocols and revalidated analytical kits. The effort took extra weeks, but the outcome improved reliability for both sides.

    Such examples set the product apart from material purchased through distribution layers where feedback rarely makes it back to the plant floor. We keep lab notebooks open for customers testing pilot batches, and encourage sharing detailed reaction outcomes to guide our refining work. Partnering with those willing to share data – both successes and failures – lets us tailor future shipments faster and spot market needs ahead of requests. These relationships keep our facilities and methods a step ahead, which ultimately secures better process economics and product reliability for all users.

    Regulatory and Quality Assurance in a Real Factory Environment

    Manufacturing chemicals with pharmaceutical and specialty applications requires a level of compliance that reaches from the loading dock to the final quality-control office. In practice, compliance means more than checked boxes and forms in filing cabinets. Each production run integrates cGMP principles, where real oversight and repeated audits keep staff on their toes. Cross-checks of raw material origins, processing temperatures, and in-line analytical readings support documentation that each drum originates from a transparent, reproducible batch process.

    We take seriously the need to submit audit documents and participate in on-site inspections when partners require robust supply chains. Several customers have conducted detailed reviews of our batch records, trace registers, and environmental controls. Far from being a burden, these visits identified where minor process tweaks would improve performance and reduce field failures. Repeated experience in audit rooms crystallized the value of embedding compliance culture in every staff member, not isolating it in an office or treating it as a paperwork hurdle.

    Research and Development Pushes Boundaries

    Synthetic targets shift every year as market needs evolve and ambitious labs look for new molecular scaffolds. The base knowledge established through years of 5-(2,6-Dichlorophenyl)-1H-Tetrazole production has spun into new research projects with external partners. Questions about possible analogues, alternative heterocycle substituents, or environmentally safer synthetic routes send our R&D group back to the bench. Some recent projects focus on greener oxidative methods that reclaim solvents at higher rates or leverage whole-cell catalysts to replace hazardous reagents. Each step in this direction lessens both risk and environmental cost, translating back to cleaner, safer products.

    Direct contacts with university researchers and public research initiatives bring new insight. For instance, studies testing the compatibility of this tetrazole in solid-state synthesis or alternative solvent systems help us update our plant protocols and offer custom sample runs for these applications. The feedback loop tightens as academic and industrial knowledge supports smarter process decisions and, occasionally, inspires instrument upgrades or staff retraining.

    Market Perspective: Why This Compound Still Matters

    Looking back, hundreds of tons of standard tetrazoles cross industrial supply chains yearly, destined for stable salt formation or as intermediates for specific syntheses. Few handle specialized needs as efficiently as 5-(2,6-Dichlorophenyl)-1H-Tetrazole when a line calls for both stability and unique reactivity. This compound remains important for partners driven by patent timelines, regional regulatory hurdles, or niche drug needs. With renewed attention on disease management and advanced trial compounds, customers continue returning for trusted, traceable, and process-robust supply.

    Large-scale manufacturers have seen sudden spikes in need during late-stage development or post-approval scale-ups. Because we keep all synthesis, preparation, and analysis within our plant walls, these surges don’t strain the integrity or quality of shipped material. Our agility comes directly from local ownership of raw material choices, advanced analytics, and manufacturing resources, not from reliance on downstream partners.

    Addressing Pitfalls: Avoiding the Common Weaknesses of Distributed Products

    Intermediaries in chemical supply often cut corners in labeling, documentation, or transparency. Over the years, we have fielded questions from customers who faced unexplained failures or spent weeks tracing out-of-spec product back through three or four supply links. Direct manufacturing solves these challenges by giving customers bonded, real-time records, tight impurity control, and forward-looking inventory management. We have stopped production runs to check suspected variances, fixed them onsite, and documented the process so future issues don’t recur. These turnaround cycles far exceed what distributors typically achieve and have saved several clients from costly lost-batch episodes.

    We stay up-to-date with all regulations and have learned that “out of sight, out of mind” never works with specialty products. Missing lot data, mislabeled container sizes, or vague analytical certificates create real risk in a regulated environment. Manufacturing discipline on every shipment turns industry compliance from burden to benefit. Our team’s hands-on practical experience creates bonds of trust, helping customers plan their campaigns with confidence instead of constant checks and workaround measures.

    Advice for Partners: Making the Most of 5-(2,6-Dichlorophenyl)-1H-Tetrazole

    Effective use of this compound stems from open communication and detailed feedback between plant staff and those at the bench. Clients who share their actual end-use scenario – from solvent choices to downstream transformation steps – typically see better results. We encourage sharing ideas for process tweaks, alternative packaging requests, or unique analytical needs. Acting as a true partner rather than just a supplier, we dig into customer problems and help engineer practical, cost-effective solutions that cut risks and wasted time.

    True innovation in specialty manufacturing comes from staying responsive to field needs and being ready to custom-tailor production when bulk demand shifts or synthesis requirements change. Our team value long-term relationships over short-margin opportunism, believing this steady approach delivers the real gains both to manufacturer and end-user. As the chemical landscape continues to evolve and new chemistries emerge, a transparent partnership built around continuous learning and open dialogue gives all sides an advantage.

    Conclusion: Experience Translates into Reliability

    Working with 5-(2,6-Dichlorophenyl)-1H-Tetrazole for so many years has brought the team countless lessons. Each drum holds not just measured purity, but the sum of hours spent refining processes, investigating plant mishaps, and answering partner questions. Whatever challenges face the specialty chemical supply chain next, direct manufacturer expertise – rooted in hands-on practice and strong customer engagement – will remain the foundation for dependable supply and better outcomes for everyone creating new science at the bench or in the plant.