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HS Code |
859600 |
| Product Name | DL-Homocysteic Acid |
| Chemical Formula | C4H7NO4S |
| Molecular Weight | 181.17 g/mol |
| Cas Number | 635-80-9 |
| Appearance | White to off-white crystalline powder |
| Solubility | Soluble in water |
| Purity | Typically ≥98% |
| Melting Point | 230-235 °C (dec.) |
| Storage Temperature | 2-8°C |
| Ph Value | 3.0-4.0 (10 g/L, H2O, 20°C) |
As an accredited DL-Homocysteic Acid factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | The DL-Homocysteic Acid is packaged in a sealed amber glass bottle, containing 25 grams of fine, white crystalline powder. |
| Shipping | DL-Homocysteic Acid is shipped in tightly sealed containers to prevent moisture and contamination. It is packed according to chemical safety regulations, typically as a non-hazardous, stable solid at room temperature. During transit, handling guidelines ensure protection from extreme temperatures, physical damage, and incompatible substances. Shipping paperwork includes safety and regulatory documentation. |
| Storage | DL-Homocysteic Acid should be stored in a tightly sealed container, protected from light and moisture. Keep it at room temperature (15-25°C) in a dry, well-ventilated area, away from incompatible substances such as strong oxidizers. Ensure proper labeling and secure storage to prevent accidental mixing or exposure. Use appropriate personal protective equipment (PPE) when handling the chemical. |
Applications of DL-Homocysteic Acid in Industrial ManufacturingDL-Homocysteic Acid, as manufactured in our facility, demonstrates unique properties valuable for advanced chemical synthesis and precision formulation in several specialized industries. Below, we detail our experience supporting select customers with controlled implementation, regulatory adherence, and consistent product specifications. 1. Pharmaceutical Intermediate for Amino Acid Derivative SynthesisPharmaceutical manufacturers use DL-Homocysteic Acid as a key intermediate in the synthesis of modified amino acids and related bioactive compounds. Our customers rely on high assay material for route-selective reactions in multi-step active pharmaceutical ingredient (API) synthesis, where specific structural analogs are required. Accurate stoichiometry and batch documentation remain critical for controlled substance handling, especially during process validation for commercial drug manufacturing. The compound’s contribution to chiral pool expansion is essential for peptide modification in CNS-targeted products. Industry compliance standards
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2. Neuroscience Research Reagents ManufacturingResearch chemical producers incorporate DL-Homocysteic Acid for cell assay reagent kits and standards used in neurobiology laboratories. The compound allows precise study of glutamatergic activity in vitro and in vivo, supporting research into synaptic transmission and neurodegeneration. Quality-critical production includes stringent trace metal control and stability monitoring, as low-level contaminants can interfere with reproducibility in sensitive bioassays. The acid is provided in buffer-compatible formats for direct reagent formulation. Industry compliance standards
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3. Analytical Reference Standard ProductionDL-Homocysteic Acid serves as a purity standard in analytical laboratories and for certified reference material producers, allowing precise quantification of sulfur-containing compounds in pharmaceutical and environmental matrices. Preparation must control for hydroscopicity and batch-to-batch consistency at the sub-mg scale. Material is processed under monitored humidity and dispensed into amber glass with traceability documentation to meet audit requirements and pass stringent proficiency tests for ISO 17034 certified reference material supply. Industry compliance standards
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4. Diagnostic Kit Ingredient for Metabolic Disorder TestingProducers of in vitro diagnostic kits utilize DL-Homocysteic Acid as a reference analyte for homocysteine and sulfur metabolism panels. The material’s purity and traceability are critical for calibrator and control level consistency, especially in methods based on chromatographic, colorimetric, or immunological detection. Exact mass-to-volume dilutions are performed under validated SOPs to ensure reproducibility in certified kit lots, with attention paid to non-interference with patient sample matrices. Industry compliance standards
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Producing DL-Homocysteic Acid from raw materials up to the final packed form has been part of our core manufacturing expertise for well over a decade. Laboratories, biotech innovators, and research institutions count on us not just for a product, but for a relationship built on reliability and direct accountability. When a researcher picks up a flask of our DL-Homocysteic Acid, they count on decades of process improvement, careful selection of input materials, and hands-on batch verification shaping every single delivery.
We synthesize DL-Homocysteic Acid in bulk and fine grades, adjusting process steps to suit both higher-volume pharmaceutical manufacturing and critical, lower-scale laboratory needs. One of the standards we keep repeating across all our product batches is a purity threshold above 98%, measured using HPLC. Even though this requires repeated purification runs, we found that insufficient purity leads to downstream surprises for our partners. There have been times when a single trace contaminant interrupted a bioassay or altered a synthetic pathway, and we have learned not to compromise here. By managing process steps under ISO 9001-backed quality control, our chemical operators can spot trends in color, crystal habit, and spectral fingerprint long before the product hits a bottle or drum. Something only possible when synthesizing at the primary source.
Within our own catalog, DL-Homocysteic Acid generally appears in two models–standard research grade and a high-purity grade optimized for pharmaceutical and clinical R&D. Clients working in neuroscience, nutritional studies, and metabolic pathway mapping often opt for the higher-purity variant. These customers explain that downstream instrumental methods like LC-MS or enzyme-coupled detection respond strongly to trace interferences, so separation from those must be absolute. We keep moisture limits under 0.5%, as lofted moisture content has caused clumping and inconsistent dissolving in automated liquid handlers. Every bottle leaving our plant carries a unique batch record, which includes spectral data as direct evidence of identity and purity, not just a standard COA template.
DL-Homocysteic Acid sits among those special molecules whose practical importance only becomes clear through use: neurochemistry labs probe its role as an excitatory amino acid receptor agonist, clinical researchers apply it in metabolic studies, and some nutritional companies investigate its presence in food supplements and metabolic intermediates. Once we supplied custom-milled DL-Homocysteic Acid for a team working on glutamatergic synapse research; their demand was for exceptional solubility and absence of pyrogenic contaminants, driven by highly sensitive in vivo systems. In another project, a customer looking at sulfur amino acid pathways required us to validate the product for optical purity, given their work dissected enantiomeric interactions.
In all these cases, DL-Homocysteic Acid served as more than a simple chemical—it became a linchpin in uncovering subtle biological processes. Because we build and oversee the entire process, we catch and correct the shifts in crystal polymorph, plating, or even dissolution profile that sometimes impact experimental results. Each time a customer has flagged a solubility issue or batch inconsistency, we opened our formulation logs, re-analyzed archive samples, and found practical solutions—adjustment of drying parameters, introduction of inert atmosphere during transfer, or refining aggregate size by re-crystallization. Such corrective work stays possible only because a manufacturer can directly intervene.
Some researchers ask what sets one bottle of DL-Homocysteic Acid apart from another, especially with so many suppliers in the market. Unlike distributors or traders, manufacturing at origin means we monitor and control each critical step. Over the years, we have seen recurrent challenges when labs source Homocysteic Acid from resellers or secondary packers. Variability in batch traceability, incomplete spectral data, or loss of physical consistency between lots complicate experiments. When we’ve investigated such issues, we often found that pass-through suppliers lost the connection to original process controls or pooled raw material of different grades without revalidation—a situation that does not arise in a vertically integrated operation.
Compared to similar amino acid derivatives, such as L-Homocysteic Acid or the sodium salt variant, the racemic DL-form we produce offers broader compatibility with non-stereoselective assays. L-form variants sometimes display limited solubility or biological selectivity in certain model systems. Some industrial formulations specify the sodium salt for process economy, but that comes with the trade-off of altered pH and ionic strength, impacting sensitive enzymatic or cell-based applications. By designing our manufacturing to maintain a neutral base form (not a salt), we help end-users tailor their own buffer systems without introducing foreign ions or unintended variables. This might seem small, yet in delicate research scenarios these differences shape reproducibility and translate into significant cost savings when troubleshooting experimental failures.
Being a primary source demands that we answer to strict audit requests from GMP facilities, contract research groups, and independent quality control reviewers. Every batch of DL-Homocysteic Acid moves through routine impurity profiling, residual solvent screening, and stability testing, because long-term storage and cross-batch reproducibility matter. Documenting our process with lot-to-lot analytical traces, photographic records of crystalline form, and full chain-of-custody reports helps our buyers pass their own regulatory checks and avoid legal or reputational risks tied to ingredient authenticity. We do not dilute, repackage, or decorate products for quick turnover. Instead, we invest time and process scrutiny at the manufacturing stage, so problems do not need to be fixed downstream by corrective blending or repurification.
This approach helped one multinational pharmaceutical group save months in method qualification during a drug discovery project, after their regulator flagged unexplained UV absorbance in reference samples sourced from a non-manufacturer. By pulling our validated DL-Homocysteic Acid stock and providing six months’ worth of spectral data, temperature logs, and batch genealogy, the team cleared critical regulatory blocks. Direct access to our process engineers made troubleshooting efficient—an advantage unavailable from traditional resellers.
Manufacturing amino acid derivatives such as DL-Homocysteic Acid demands environmental awareness, given potential byproducts involving sulfur compounds and acidic effluents. Our plant runs closed-loop solvent recovery systems and filtered exhausts to limit both workplace exposure and community impact. Excess solvents are reprocessed in-house, and process water passes through staged bioreactors before reentry to municipal systems. Employees routinely monitor air and workspace for sulfur-containing volatiles, using sensors calibrated to detect any trend away from baseline. These investments in environmental and workplace safety stem as much from hard-learned lessons as from regulation–over the years, we have seen how short-term corner cutting brings long-term costs in employee turnover and local trust.
We keep safety and documentation central not only for regulatory reporting but also for building real partnerships with our customers. When research universities or pharmaceutical clients tour our plant before committing to a supply contract, transparency around raw material handling, filtration, and packaging allows them to verify safe process management themselves. This open-door approach pays dividends in fewer misunderstandings and aids us in anticipating changes in regulatory expectations. On more than one occasion, our transparent operations have been the deciding factor in a client’s long-term sourcing strategy, especially when grants or trials demand documentation from the ground up.
DL-Homocysteic Acid’s sensitivity to ambient moisture calls for packaging that protects both integrity and usability. Early in our production journey, we faced problems from simple plastic vials or bags, as the contents clumped and required hazardous drying before weighing. Switching to series-sealed glass bottles with desiccant-lined inner closures resolved these issues for laboratory quantities. Larger shipments move in lined HDPE drums with nitrogen flush, then double-sealed for temperature and humidity control. Shelf-life under these controls runs beyond 24 months when stored between 2°C and 8°C, but actual real-world stability often surpasses printed expiration dates, which our archive testing confirms. Direct shipment with real-time tracking reduces breakage and temperature excursions during transport, a comfort for clients with sensitive timelines and analytical demands.
Custom packaging has also become part of our routine offerings. For multi-center clinical trials or distributed research groups, we subdivide DL-Homocysteic Acid in exactly matched aliquots, each traceable by barcode to its mother lot. Researchers repeatedly comment that this reduces preparation variance and logistics errors, and from our side, shrinks replacement product waste. Here, the manufacturer’s touch—knowing the actual handling properties of the material—results in lower downstream costs and streamlined experimental start-up.
Many times, the lessons of chemical manufacturing do not appear in glossy product catalogs or third-party listings. Instead, they arise at the interface between our engineering teams and researchers facing new experimental hurdles. In one example, a leading biotech startup requested a custom particle size distribution to optimize automated pipetting operations. By working directly with our process engineers, the customer narrowed down the optimal range over just a week of side-by-side trials—a pace infeasible for large distributors with multi-step communication. In another, a global research consortium flagged variable yields in an assay, traced to microionic impurities leaching from poor primary packaging by a reseller. Since we control every step from basic raw material up to closure selection, we isolated the culprit, recast packaging, and moved forward without recurring trouble.
Over decades, we have seen that a direct relationship with the manufacturer drives practical innovation. Decisions about process tweaks, purification runs, or packaging choices develop best not on a spreadsheet, but through direct observation and open exchange. The chance to participate in this sort of iterative improvement remains one reason we continue making DL-Homocysteic Acid at source, instead of outsourcing to faceless tollers. With every batch, we carry forward not just manufacturing know-how, but the collective insight of our colleagues and global partners—an asset invisible on paperwork, but unmistakable in daily use.
Applications for DL-Homocysteic Acid keep evolving as researchers discover new biological targets and diagnostic platforms. We field requests for specialized purity with tighter spec tolerances, custom-labeled isotopologues for tracer studies, and large-volume drums for scale-up in pilot production. Our plant invests in new analytical instruments and process controls based on actual feedback from the field—not just internal forecasts or margin studies. This horizontal flow of ideas from bench to tank and back sharpens our response to growing requirements and industry changes.
Supply disruptions have shown that overdependence on intermediaries puts critical research programs at risk. Direct manufacturer relationships, transparent records, and stable source supply chains have proven their value during periods of transport gridlock or raw material scarcity. Buyers collaborating with us gain early warning of production challenges and share planning data, ensuring continuity in discovery science and commercial production alike. This partnership stands in sharp contrast to the price-first, details-later approach common elsewhere in chemical sourcing.
Each of our clients, whether academic, industrial, or clinical, values more than just a label—they seek the confidence that their DL-Homocysteic Acid comes from a process rooted in experience, accountability, and adaptive innovation. By anchoring production in our own facilities and sharing the real-world insights we gain, we help bridge the gap between synthetic chemistry and cutting-edge application. Whether troubleshooting a complex bioassay, guaranteeing regulatory compliance, or supporting a new formulation, a direct line to the manufacturing source proves time and again to save headache, cost, and valuable time.
The many differences separating a bottle of pure DL-Homocysteic Acid from a generic pack on a distributor’s shelf come from the discipline, care, and process investment at origin. For those committed to real research progress and secure ingredient supply, this difference shapes both the daily practice and long-term ambitions of their work. In our experience, quality built from the ground up, managed by those who make it, cannot be bought in after the fact—it grows with each batch, every shipment, and every open conversation across the supply chain. That is the standard we continue to uphold for DL-Homocysteic Acid, year after year.