|
HS Code |
857809 |
| Chemical Name | D-Serine |
| Molecular Formula | C3H7NO3 |
| Molecular Weight | 105.09 g/mol |
| Cas Number | 312-84-5 |
| Appearance | White crystalline powder |
| Solubility In Water | Freely soluble |
| Melting Point | 229-231°C (decomposes) |
| Ph Value | 5.0-7.0 (1% solution) |
| Isomer | D-enantiomer of serine |
| Storage Temperature | 2-8°C |
| Synonyms | D-2-Amino-3-hydroxypropanoic acid |
| Purity | >98% |
| Usage | Neuroscience research, NMDA receptor co-agonist |
| Boiling Point | Decomposes |
| Density | 1.68 g/cm³ |
As an accredited D-Serine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | D-Serine is packaged in a sealed amber glass bottle, labeled clearly, containing 25 grams, with safety and handling instructions included. |
| Shipping | D-Serine is shipped in tightly sealed containers, typically under cool, dry conditions to preserve stability and prevent contamination. It is packed in compliance with regulatory guidelines, clearly labeled with handling and hazard information. Depending on quantity and destination, shipping may require temperature control and documentation for chemical transport safety. |
| Storage | D-Serine should be stored in a tightly sealed container, protected from light and moisture. It is best kept at 2-8°C (refrigerated) to maintain stability and prevent degradation. The storage area should be well-ventilated and away from incompatible substances. For prolonged storage, D-Serine may be kept at -20°C. Always refer to the safety data sheet for specific guidelines. |
Competitive D-Serine prices that fit your budget—flexible terms and customized quotes for every order.
For samples, pricing, or more information, please contact us at +8615365186327 or mail to sales3@ascent-chem.com.
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Tel: +8615365186327
Email: sales3@ascent-chem.com
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At our facility, making D-Serine takes more than following a recipe. We've spent years refining how we control every batch—temperature, pH, timing, filtration, and crystallization. Researchers and manufacturers who use our D-Serine notice a difference: every shipment brings the same white, odorless crystals they need to move projects forward without missing a step. We don't rely on bulk reselling or contract packaging. The process happens under one roof, by hands that have measured, tested, and improved every run. This focus on precision allows us to guarantee a purity that meets pharmaceutical and neuroscience research standards. Impurities, even ones that don’t register in broad industrial uses, can upend experiments or lower the repeatability of entire programs. Our team crowds the front line between industrial output and research-quality control. We run HPLC and mass spectrometry ourselves, instead of outsourcing, to confirm each lot’s specifications before packing it up. The typical batch falls well within the standard 99%+ assay, and we aim to keep chiral impurities at trace levels—lower than most labs would test for if they produced it themselves.
Those new to D-Serine as a specialty ingredient often overlook that its applications rely not just on purity, but on a precise three-dimensional arrangement. For us, simply producing “serine” or a D/L racemate is not good enough. A new customer from a pharmacology startup once told us their earlier supply, pulled from a non-specialized trader, ruined half a year of work. The difference came from an overlooked level of L-serine contamination that caused biological variability. D-Serine, as the D-enantiomer, unlocks NMDA receptor pathways and serves as a tool for life sciences, but contamination by even small fractions of the L-form blocks interactions and clouds interpretations. We monitor optical rotation at each purification stage, ensuring no racemization creeps in. This isn’t just pride in process; it reflects the major difference between suppliers who blend, grind, or repackage someone else’s generics, and those who control their own fermentation or enzymatic conversion.
Interest in D-Serine keeps growing in pharmaceutical, nutraceutical, and research settings. Our production has tracked this surge not because there’s broad commercial hype, but because data keeps showing D-Serine’s unique action in brain chemistry. In the lab, our customers analyze it as an NMDA receptor co-agonist—no other serine form can trigger the same pathways. For neural modeling and clinical research, even a hint of contamination gives false positives. That’s why universities and drug development start-ups rely on us for custom grades or orders. Sometimes, a customer needs a higher water content or a different particle size for direct suspension into experimental media; we adjust production parameters accordingly, since we run small and large batches directly, never pushing the order into a broker’s queue. This way, we cut lead time and sidestep untraceable blending.
We’ve seen D-Serine used in two main ways: as a direct research substrate for neuroscience and in pharmaceutical applications exploring neurodegenerative and psychiatric therapies. Some contract manufacturing customers use it to build peptide drugs, which demand strictly defined inputs. Others focus on cell culture—D-Serine in the wrong concentration or purity can send expensive cell lines off track. With our powder, bioassay techs always know what’s going into their mix. We regularly support research programs with detailed batch certificates, customized analytical documentation, and specific packaging requirements. It isn’t just about ticking regulatory boxes; it’s about making sure every project detail aligns with on-the-ground needs, whether the material feeds into preclinical work or forms a basis for new patent filings.
One major pharmaceutical partner built their in-vivo studies around a consistent feed of our D-Serine. They switched after previously working with multiple traders and noticed neurological endpoints would shift batch-to-batch despite “purity” claims on paperwork. Supply chain traceability—right down to raw material source and handling documentation—eliminated guesswork. Our technical team works out unusual problems too, such as providing extra documentation to meet new clinical entry guidelines or tweaking physical characteristics to improve solubility without changing molecular structure. These kinds of adaptations only work because the process and physical handling take place right at the source.
Our D-Serine meets a high bar for purity and chiral consistency. The batches typically show no more than 0.2% unspecified isomers or byproducts. Each lot undergoes HPLC, optical rotation, moisture analysis, and residue on ignition checks. While we produce a standard 99%+ assay, custom higher-purity or specialized particle size grades are also on offer—not sitting in storage, but tailored in real time to an order. The powder is readily soluble in water, useful for rapid dosing in biological protocols. We pack according to customer requirement—whether that means smaller vials for academic research use, double-sealed drums for industrial formulation, or tamper-evident containers for GMP environments.
Every request for a custom grade prompts direct coordination between our chemists and customer teams. For example, we once produced a microcrystalline form for a tablet manufacturer testing novel delivery forms, and another lot for a food science lab exploring D-amino acid impacts. These experiences showed us that most application problems start with material inconsistency or mishandling farther down the chain. By controlling production and distribution, we bridge these pitfalls—small changes in storage or handling at a reseller aren’t an issue, as product never leaves our control until it reaches the user.
Many who look for D-Serine aren’t aware of vast differences between direct producers and traders. Traders often acquire bulk lots from distant manufacturers, repackage under their own brand, and sometimes even blend leftover stock to meet order demands. That leaves buyers exposed to variable physical characteristics—color drift, odor, fluctuating solubility, and undetected contamination. The risk isn’t theoretical. Once, a researcher reported a substrate inhibition issue that traced back to off-batch L-Serine not declared by their vendor. Our ability to track every step—from raw amino acid selection, through controlled biocatalysis or synthesis, to finished product—means each drum, jar, or vial is an unbroken chain, not a puzzle assembled across borders and storage lockers. Lab managers on tight timelines appreciate this, especially once they’ve hit project delays from uncontrolled supply chains.
Production at source brings another advantage: flexible support. Distributors and brokers often provide basic paperwork but not the kind of analytical backup needed for new submissions or regulatory filings. We keep not just COAs (Certificates of Analysis) but detailed in-process data for every lot. When a research customer needs extended impurity or excipient details, we generate full spectra in-house. This depth, bred from our manufacturing history, stands in contrast to rebranders and resellers who can't always obtain primary process data.
Fields like neuropharmacology and synthetic biology continue to expand demand for D-Serine, especially as new research reveals both mechanistic and therapeutic importance. We help life science companies, start-ups, and academic labs meet their project milestones, whether they’re mapping D-amino acid signaling, designing enzyme inhibitors, or building new amino acid-based functional foods. Our support often means same-week supply for unusual grades or fast answers to method questions—sometimes direct collaboration on experimental design to select the right application form.
Proximity to the manufacturing process also gives us an edge when the regulatory landscape shifts. If a customer faces increased site inspection, new excipient reporting, or changes to allowable impurity levels, our QA team can respond by adjusting processes or documentation workflows without waiting for slow upstream changes. We're not just passing along someone else’s information, we can change the process and paperwork at source, which smooths pilot runs and full-scale adoption alike.
D-Serine doesn’t play the same role as more common L-amino acids or low-cost racemates. From experience, those using generic “serine” for research quickly run into challenges. The L-form has almost no NMDA receptor modulation in biological models that depend on D-type activity. Even small admixtures skew pharmacological measurements and may lead to irreproducible or misleading biological results. Some traders try to meet short-term demand by blending brews with uncertain D:L ratio or mismatched impurity profiles—not a risk we leave to our customers. Our lines for D-Serine stay distinct from L-Serine production, including full equipment segregation and separate control batches.
A buyer from a university once brought us a half-empty vial from a secondary market vendor: label smudged, with a faint yellow tinge, and asked if it was still any good. Lab results revealed oxidized byproducts and tens of ppm iron—contaminants typical of poorly controlled repackaging and secondary exposure. Our direct manufacturing path removes these variables: material never mingles, overheats, or picks up metal or microbial load in a warehouse setting. Customers considering suppliers can look for full-chain documentation, in-house spectra, and lot-based traceability to avoid these pitfalls.
There’s a long history in our industry of cost-cutting traders undercutting manufacturers by mere cents per gram, but their products rarely match the quality needed for precision work. Our process doesn’t chase volume for its own sake; each lot is tuned for defined endpoints. Inconsistent supply, fluctuating impurity profiles, or unseen batch blends only increase user risk. Our biggest customers—from large pharma to focused research labs—look for one thing above all: reliability over time, not price wars.
Running our own quality assurance means we’re first to spot any out-of-spec trend and correct it. We verify both physical (color, solubility) and chemical (HPLC profile, moisture, pH) parameters at point of manufacture. We also manage batch retention for recalls or investigative work and keep detailed process notes for every shipment leaving the facility. This close-loop system prevents the common problems of time lapse and handling variations that surface in loosely controlled distributions.
Our experience producing and delivering D-Serine has brought us into close partnership with innovators at the front of neuroscience, diagnostics, and food technology. We regularly engage with these partners not just at point-of-sale but in joint technical exercises—assisting in protocol validation, cross-validating analytical results, or solving unexpected material compatibility questions. In one case, a drug developer needed to verify trace metals well below industry norms. Because of our direct involvement in every production stage, we were able to adjust filtration steps and provide source documentation down to original raw material analysis.
We’ve helped teams move forward by handling special requests—producing D-Serine optimized for radioactive labeling or isotope tracing, for example, or arranging temperature-controlled logistics on short notice when overseas customs delayed a shipment. These challenges remind us that supplying a molecule isn’t just selling a commodity; it’s an ongoing technical relationship rooted in shared standards, responsiveness, and a stake in successful outcomes.
The biggest distinction comes down to reliability, knowledge, and responsiveness. As a direct producer, we answer for every lot's properties—not just what’s printed on a spec sheet but its path through every piece of production equipment, every storage vault, down to the last minute before shipment. Traders and distributors, even those with decent standards, lack this window into the actual process. Feedback from long-term customers underlines our value: confidence to plan trials and production runs, knowing supply and quality won’t suddenly change.
In this market, material that “just works” for one task can fail the next. A food company working on D-amino fortified beverages needs assurance there are no off-tastes or residual solvent traces. A pharmaceutical trial needs documentation that stands up to regulatory lenses in the US, Europe, and Asia. We’ve learned that once customers see the full value of verified, directly produced D-Serine, returning to bulk or repackaged grades feels reckless in comparison.
As neuroscience and metabolic research progress, D-Serine will take on new applications—from exploring healthy brain aging to unlocking subtle amino acid pathways in synthetic biology. Our production team watches new developments closely. Changes in regulatory standards or analytical techniques, new findings around environmental exposure and enantiomeric purity, or shifting industrial practices all inform our process improvements. We invest in both equipment and employee training, and frequently participate in technical symposia and standards-setting meetings.
Real-world feedback keeps us moving forward. A spike in demand from a new research initiative may force an audit of how quickly we can adjust batch sizes or packaging configurations. Unexpected changes in impurity tolerance challenge our analytical approach and encourage us to expand our documentation and traceability. Through every challenge, we keep our focus on providing D-Serine that meets critical endpoints, built on decades of process knowledge and direct accountability.
Supplying D-Serine isn’t about volume or price tables. For us, every batch reflects years of hard-won expertise in what makes this amino acid impactful for advanced research and high-quality production. By holding onto every step—from raw input to finished, documented product—we guarantee the properties, performance, and traceability that discerning researchers and industry players need. While the D-Serine market may seem full of interchangeable vendors, a closer look reveals clear, traceable differences born from deep process involvement, technical backing, and a commitment to customer ambition and safety. Those differences set the standard for what D-Serine can deliver as science moves forward.