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HS Code |
195156 |
| Product Name | Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate |
| Molecular Formula | C13H16ClNO4S |
| Molecular Weight | 317.79 g/mol |
| Cas Number | 1391566-89-4 |
| Appearance | White to off-white solid |
| Purity | Typically ≥ 95% |
| Solubility | Soluble in organic solvents (e.g., DCM, methanol) |
| Storage Conditions | Store at 2-8°C, protected from light and moisture |
| Smiles | C1CN(CCC1C(=O)OCc2ccccc2)S(=O)(=O)Cl |
| Inchi | InChI=1S/C13H16ClNO4S/c14-20(17,18)15-9-7-12(8-10-15)13(16)19-11-6-4-2-1-3-5-11/h1-6,12H,7-10H2 |
As an accredited Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Sealed amber glass bottle containing 5 grams, labeled "Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate," with hazard and handling information. |
| Container Loading (20′ FCL) | Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate is loaded in 20′ FCL, securely packed in sealed, chemical-safe containers. |
| Shipping | **Shipping Description:** Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate should be shipped in tightly sealed containers, protected from moisture and light, and handled as a corrosive chemical. Package with appropriate hazard labeling (for corrosives and irritants), and ensure compliance with relevant transport regulations (DOT, IATA, IMDG). Use secondary containment to prevent leakage during transit. |
| Storage | Store **Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate** in a tightly sealed container under a dry, inert atmosphere (such as nitrogen or argon), protected from moisture and light. Keep the storage area cool, ideally at 2–8°C (refrigerator), and clearly labeled. Ensure compatible chemical segregation, especially away from bases, oxidizers, and substances containing water. Handle with appropriate personal protective equipment. |
| Shelf Life | Shelf life of Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate is typically 1-2 years when stored cool, dry, and protected from light. |
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Purity 98%: Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate with purity 98% is used in pharmaceutical intermediate synthesis, where it ensures high yield in target compound formation. Melting point 60-64°C: Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate with melting point 60-64°C is used in solid-state reaction processes, where controlled phase transitions enhance process reproducibility. Molecular weight 327.79 g/mol: Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate with molecular weight 327.79 g/mol is used in medicinal chemistry research, where precise stoichiometric calculations improve analytical assay accuracy. Stability temperature up to 75°C: Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate with stability temperature up to 75°C is used in high-temperature synthesis protocols, where chemical integrity is maintained during processing. Particle size <20 μm: Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate with particle size <20 μm is used in fast-dissolving formulation development, where enhanced surface area improves dissolution rate. Viscosity 1.2 mPa·s: Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate with viscosity 1.2 mPa·s is used in liquid-phase organic synthesis, where optimal flow characteristics facilitate homogeneous mixing. |
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On the factory floor, every product reflects a blend of experience, precision, and countless hours. Among the specialty chemicals we produce, Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate stands out as an example of what patient work with advanced synthesis can achieve. Watching this compound take shape through stepwise reactions is a reminder that even in industrial settings, chemistry is still an art backed by discipline and careful oversight.
Real-world manufacturing has no patience for ambiguity. We've paid special attention to the molecular integrity and purity of our Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate throughout development. From the first round of synthesis planning, we implement monitoring using chromatography to check both intermediates and final output for consistency. Each batch sees tight control over moisture, residual solvents, and related compound impurities. A typical assay consistently achieves purity exceeding 98% by HPLC, and strict acceptance ranges for key contaminants such as chloride, sulfate, and starting ester residues are set after careful review of actual process capability data, not just international standards.
Laboratory scale experimentation let us zero in on the most reliable crystal forms for downstream use, especially for applications where solubility or batch reactivity makes or breaks a project. This process led us to select specific solvent systems and drying processes after breaking down side reactions that sometimes sneak by during initial scale-up. Our technicians run GC-MS and FT-IR analysis on each new batch to confirm spectral fingerprinting with reference samples. Only batches that align with these data ever leave our loading dock. The color, flow properties, and melting characteristics — all are observed by multiple technicians, not just once but repeatedly during each production cycle.
The best insights about this chemical’s place in the market come straight from the bench scientists and engineers who trust it for specialty synthesis. Over the past few years, we have supplied Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate to pharmaceutical R&D labs, fine chemical manufacturers, and custom synthesis outfits. Each of these settings applies the compound toward distinct downstream targets, and in every discussion, the talk runs toward how small differences in raw materials drive huge changes in synthetic success rates.
Colleagues in pharma rely on this compound as a key intermediate during the construction of otherwise tricky heterocyclic molecules. The chlorosulfonyl group gives a reliable entry point for sulfonamide formation, letting process chemists dial in the appropriate substitutions for structure-activity exploration. We field regular requests for insight into impurity control to ensure robust final yields and regulatory compliance. Having seen a variety of approaches across the sector, we know that reproducibility is a big deal here: a process that works once on paper still needs to perform through dozens of batches before it sees scale.
In specialty chemicals, the benzyl ester handles well in a range of conditions. Downstream users ask about compatibility with metallic catalysts or reductive conditions; the compound’s robust nature in these scenarios has been a selling point. Researchers looking to tweak the core pyridine ring to create new ligands or building blocks appreciate the compound's flexibility under a variety of coupling protocols. Consistent outcomes, batch to batch, give our customers the confidence to include this intermediate in their critical-path projects without losing sleep over unpredictable starting quality.
Having manufactured hundreds of heterocycle derivatives over the years, we don’t take claims about “unique value” lightly. Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate sets itself apart by giving researchers and formulators a reliable scaffold with genuine flexibility. In real-world production, some intermediates need frequent handling adjustments or show batch-to-batch irregularities in solubility or analytical fingerprints. Our product, after rounds of process improvement, now arrives with user feedback about smooth dissolving characteristics, predictable performance, and a track record with fewer headaches during scale-up.
Every experienced manufacturer faces the reality: many products on the open market are sourced from anonymous brokers or repacked after sitting in a warehouse abroad for months. Real-time, site-based production sidesteps that uncertainty. We pull quality control data and batch release certifications directly from the equipment we operate. The close oversight of our staff at every hydrogeneration, reaction, and isolation step keeps variability in check and lets us respond quickly to even small deviations. Customers who have worked with off-the-shelf variants often note an absence of “mystery peaks” in the spectra from our product. There’s no substitute for hands-on quality assurance at the source.
A major challenge in chemical sourcing remains documentation and track record. We've dealt with decades of inquiries from verification teams, audits, and repeat purchasers looking to confirm the identity and consistency of our output. Full traceability—the ability to walk back every drum of Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate to a particular production lot and timestamp—backs every shipment. This is not just about dotting i’s on paperwork; it’s how we reduce the risk of cross-contamination, mislabeling, or mix-ups that can bring projects to a halt.
We routinely send composite samples for outside third-party analysis, in addition to in-house testing, so customers can check our claims against independent data. If changes in impurity levels, melting point, or color are flagged, our technical support team engages, logs the concern, pulls batch history, and if needed, consults with upstream staff who ran the process. As a manufacturer, holding onto feedback, discussing critical failure points with R&D, and rolling out changes is part of the job. This approach doesn’t just patch problems – it builds lasting trust.
Complex synthesis routes are rarely forgiving. We have seen customers attempt one-pot processes or aggressive scale-ups, only to run into roadblocks due to reagent instability or side reactions. Our technical support doesn’t just send an email — we connect process chemists with our plant scientists to troubleshoot unusual scenarios. We've helped partners optimize reaction order, drying methods, and solvent permutations based on small details only visible from the manufacturer's vantage point. For example, longer exposures to high temperatures in the drying process once led to subtle decomposition in early production runs, which only appeared during downstream hydrogenation. After direct discussion and a controlled comparison of alternative workup techniques, we adjusted parameters to secure a more robust product every time.
We’ve also worked with customers to resolve analytical puzzles: unexplained NMR signals or chromatographic ghosts traced back to certain minor byproducts. That kind of support can only come from ongoing, detailed oversight of the entire synthetic chain. By collaborating with users on protocol refinements, both sides gain a deeper understanding of how product performance is shaped from reactor to lab bench.
It's easy to treat specialty chemicals as line items on a supply invoice. For Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate, we’ve observed that project outcomes lag far behind when customers turn to generic sources or repackaged materials. Technical differences show up in lab results: inconsistent color, altered melting behavior, poor reproducibility in coupling or protection reactions, and higher rates of product loss during crystallization. One customer reported up to a 15% drop in yield for a downstream pharmaceutical intermediate after using non-verified sources – a margin wide enough to wreck budgets and slow clinical timelines.
We maintain a direct chain from raw ingredient intake to drum loading. This isn’t just a quality statement; it provides real-time tracking for each ton or kilogram produced. Many competitors cannot trace an issue back beyond the distributor—a reality that gives users less confidence when results matter. Feedback from customers who tried switching back from anonymous sources often leads to an uptick in the reliability of their processes; the differences are seen most clearly during scale-up and long-term storage.
Regulations continue to shift, particularly for chemicals destined for biotech, pharma, or advanced materials research. Over the past decade, increased scrutiny in both the EU and US around substance purity and traceability has led us to adopt a more proactive stance toward compliance. We collect, archive, and periodically review purity data for each lot, so clients never face a scramble for paperwork during audits. With tighter controls on everything from heavy metal residues to residual solvents, our internal specifications often exceed what external agencies expect.
This proactive attitude comes directly from manufacturing life. Regulatory authorities increasingly ask for breakdowns on minor impurity profiles, and not just headline HPLC numbers—so that’s what we deliver. We document, trend, and archive the real data. Through this work, we support clients by providing full impurity profiles, shelf-life verification, and storage guidelines backed by actual stability studies from our own facility. Such transparency removes the uncertainty in planning research or new product launches.
Manufacturing specialty chemicals always presents surprises. We track issues through direct communication with users: from new scale-up requirements, alternative solvents, or shifts in environmental restrictions on process effluents. One recurring topic lately involves reducing the environmental impact of our manufacturing chain. Internally, we've piloted several greener production pathways — swapping out older chlorinated solvents for more benign alternatives without impacting product quality. These trials required full process revalidation and staff retraining but improved waste output and worker safety. Feedback from partners running “green chemistry” projects shows the value of early alignment on sustainability goals.
We also continue to invest in new analytical approaches for final product assessment. The shift away from basic melting point checks toward more robust, multidimensional analytics — such as LC-MS, chiral separation, or 2D NMR — has prompted substantial upgrades in our lab and additional staff training. These enhancements lead to faster troubleshooting and better understanding at the source rather than playing catch-up after irregularities turn up in the field. On more than one occasion, these deeper analytics uncovered long-term stability shifts invisible to routine tests, letting us adjust our formulation procedures to give customers the predictability they need for sensitive synthesis operations.
Direct conversations with researchers, QA leads, and plant supervisors guide our approach every month. We routinely log suggestions and issues, whether about changes in appearance, solubility, or shelf-life. In cases where customers flag unexpected shifts in spectral data, we have the internal capacity to recreate their reaction conditions, compare their findings against our controls, and recommend proven fixes. These iterative improvements benefit future orders, and deepen mutual understanding about true end-use needs.
Staying close to the ground — both literally in our reactors and figuratively with our partners — ensures that Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate outperforms commodity options over time. It’s this feedback culture that has allowed us to identify and address previously overlooked issues. One example arose when a longtime R&D client discovered a subtle yellowing of the product after a new storage method at their end. Through joint investigation, we traced the color shift to unintended oxygen exposure during shipping. Together, we rolled out new packaging options, eliminating the problem for everyone who followed. This level of technical engagement draws on the advantages only true manufacturers enjoy — access to the full spectrum of production, storage, and shipment information.
The specialty chemicals landscape evolves constantly: new process methodologies, stricter regulatory audits, and heightened demands for both sustainability and reliability. Customers, from large multinational pharmaceutical companies to nimble research start-ups, want more than just “material off the shelf” — they expect tailored, responsive support grounded in real experience, not just sales talk.
Our take, formed by years of working directly with this compound, is that only vertically integrated, hands-on production achieves this result. Our investment in skilled in-house technicians, modern analytical equipment, and rigorous documentation yields a product that meets demanding diagnostic and performance benchmarks over the long term. Updates in our process, from greener solvents to more robust packaging, directly respond to the actual needs seen on both sides of the warehouse door.
The most valuable advances in specialty chemical manufacturing result from open knowledge-sharing between chemists in the plant and those using the final materials. We keep this information loop active, pushing ourselves on process innovation, analytical scrutiny, and even packaging methods to counteract issues uncovered out in the field. As the chemical industry faces tighter supply chains, rising compliance hurdles, and new pressures around environmental practices, this collaborative, data-driven mindset ensures that Benzyl 4-(chlorosulfonyl)tetrahydro-1(2H)-pyridinecarboxylate continues to offer an edge. Each batch sent out reflects not only a synthesis formula, but the collective experience and commitment of every person contributing to its journey from reactor to research bench.