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HS Code |
875806 |
| Cas Number | 556-50-3 |
| Molecular Formula | C8H16N4O5 |
| Molecular Weight | 248.24 g/mol |
| Synonyms | Glycylglycylglycylglycine |
| Appearance | White to off-white powder |
| Solubility In Water | Soluble |
| Melting Point | 285 °C (dec.) |
| Ph Of 1 Solution | 5.0 - 7.0 |
| Storage Temperature | Room temperature (15-25°C) |
| Purity | Typically ≥98% |
| Chemical Class | Oligopeptide |
| Structural Formula | H-Gly-Gly-Gly-Gly-OH |
| Ec Number | 209-129-3 |
As an accredited Tetraglycine factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Tetraglycine is packaged in a sealed, amber glass bottle containing 250 grams, labeled with chemical details, hazard warnings, and storage instructions. |
| Shipping | Tetraglycine is shipped in sealed, airtight containers to prevent moisture absorption and contamination. Containers are clearly labeled with hazard and handling information. During transit, it is kept in a cool, dry, and well-ventilated environment, with precautions to avoid physical damage and exposure to incompatible substances. Handle according to standard chemical safety protocols. |
| Storage | Tetraglycine should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from incompatible substances such as strong oxidizing agents. Keep it protected from moisture and direct sunlight. Preferred storage temperature is at room temperature, generally 15–25°C (59–77°F). Ensure the storage area is clearly labeled and complies with standard chemical safety protocols to prevent contamination or accidental exposure. |
Applications of Tetraglycine in Industrial ManufacturingTetraglycine is a specialized amino acid derivative widely incorporated in industrial sectors where controlled chelation, intermediate building, or highly pure glycine fragments are required. As an original manufacturer, we support downstream formulations in advanced materials, pharmaceuticals, food ingredients, metalworking, bioprocessing, and other regulated applications. Below, we detail major industry scenarios, compliance frameworks, technical ratios, integration steps, and product end-uses based on in-plant experience. 1. API Intermediate Synthesis for Peptide PharmaceuticalsPeptide drug manufacturers often rely on tetraglycine as a reliable protected glycine sequence for stepwise peptide assembly. Its use ensures consistent chain extension in solid-phase or solution-phase peptide synthesis under GMP conditions. Tetraglycine provides controlled release of glycine units during deprotection steps, which supports reproducible results in the downstream production of bioactive peptide APIs. Customers leverage our high-purity, low-endotoxin grade in their validated manufacturing lines, subject to EU and US pharmacopoeia standards. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Metal Complexation and Electroplating AdditiveElectroplating and metal finishing companies use tetraglycine as a chelating auxiliary in nickel and copper plating baths. Its ability to bind metal ions moderates metal deposition, reduces undesirable precipitation, and supports smooth, uniform coatings. Industrial plants integrate strictly controlled grades to maximize bath lifetimes and minimize waste. Adjustment of tetraglycine loading depends on bath composition, plating speed, and end-use requirements for deposited metal characteristics. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Food-Grade Buffer and Nutritional Supplement PrecursorIn food and beverage processing, tetraglycine serves as a specialized glycine source in nutrient blends, beverage premixes, and buffer formulations. Its controlled hydrolysis provides precise glycine release—important in sports nutrition, medical dietary foods, or as a component in flavor stabilization blends. Strict compliance with local and international food additive approvals guides its plant-level usage, with batch traceability and HACCP control throughout the supply chain. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Bioprocess Reagent for Microbial Fermentation MediaTetraglycine is incorporated by biomanufacturers as a substrate component in controlled microbial fermentation processes. Its gradual breakdown provides both carbon and nitrogen sources, supporting optimized culture growth and targeted metabolite yields. Precise grade selection and stringent microbial limit testing are vital for use in cGMP or industrial enzyme fermenters. The specific input ratio and integration step depend on cell type, fermentation kinetics, and product titer specifications. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
5. Laboratory Reagent in Protein Sequencing and Analytical ChemistryAnalytical laboratories and sequencing facilities utilize tetraglycine as a calibration standard and sample matrix when analyzing polypeptides via HPLC, mass spectrometry, or capillary electrophoresis. Its defined chain length and ready solubility provide repeatable internal standards for method validation and QC analysis. Our high-purity, traceable batches support ISO 17025-accredited laboratories and commercial protein analysis service providers. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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We’ve been manufacturing Tetraglycine for years, and watching demand change has taught us a lot about where this product really delivers value. Chemists and engineers recognize Tetraglycine as a straightforward, four-unit glycine peptide with a reputation for consistency and reliability. With its molecular formula C8H16N4O6 and a well-defined structure, you know exactly what you’re working with. That predictability shapes why labs and factories keep coming back for more, especially in sensitive or scaled-up projects.
Our factory workers have seen every possible batch issue or oddity crop up in commodity glycine and short peptides. Tetraglycine’s ease of dissolution—no exotic solvents or pH gymnastics—means it slides right into workflows. Quality control benefits every step. Our testing benches repeatedly confirm that it meets purity benchmarks for research and commercial-scale applications.
On the production floor, we don’t only think about purity. We look at batch-to-batch consistency. Large-scale users need a product that acts the same way every single time. Our main model, made through solid-phase peptide synthesis, produces a uniform white powder with minimal dustiness and consistent moisture profile. Lab managers tell us that time spent weighing, dissolving, and prepping drops dramatically when they skip over batches that don’t match.
Our chemists have honed the methods to minimize side-chain byproducts and unreacted fragments. This attention to process matters when customers use Tetraglycine to build higher peptides, feed cell cultures, or serve as a water-soluble buffer in specialty formulations. Some products arrive at customers’ doors with visible clumping, hints of discoloration, or resin fragments left over from less careful synthesis. Years of tweaking purification steps, especially during final freeze-drying, means our batches stay smooth and free-flowing.
A lot of people lump Tetraglycine together with diglycine or triglycine. Our experience working with biotech firms and chemical processors has drawn the lines between these products. Tetraglycine’s longer chain affects solubility curves, reactivity with coupling agents, and even handling on automated dosing machines. For instance, di- and triglycine dissolve faster at ambient temperatures, but tetraglycine’s slightly slower profile can prevent foaming and over-rapid mixing in industrial tanks. This might seem minor to outsiders, but plant operators notice the difference in foaming, dosing control, and loss of product to tank walls.
In peptide synthesis, the longer glycine chain lets manufacturers build more complex structures with a single coupling step, cutting time off multistep syntheses. We’ve watched this play out in peptide pilot projects. Using Tetraglycine often shortens synthetic sequences and reduces reagent use. In the lab, that means less chromatography and purer final material. In plant settings, it saves real money in solvents and waste handling.
Other glycine-based products sometimes compete with Tetraglycine on price, especially for simple buffering or low-purity industrial needs. But that cost saving quickly disappears if purity slips or side reactions creep into the process. Feedback from customers has shown us that rework and side-product cleanup can erase any gains from cheaper, lower-grade material. Large customers in the pharma and biotech world rarely gamble on sources that don’t deliver consistent peptide lengths or introduce cross-contaminants from rushed or incomplete purification.
Batches from our reactors often go straight into pharmaceutical development research labs, biotech production facilities, and specialty food ingredient blenders. In those fields, Tetraglycine’s low toxicity and clean biochemical profile carry real weight. From what we’ve tracked and confirmed, one key use lies in serving as a building block for custom peptides and as an intermediate in the assembly of diagnostic reagents.
In diagnostics, teams assembling test kits look for reagents that don’t interfere with sensitive colorimetric or fluorescent endpoints. Our Tetraglycine performs predictably, showing no batch-to-batch variation that would throw off signal baselines or kit calibration. On the pharmaceutical side, there’s growing interest in longer glycine linkers for everything from prodrug conjugates to new delivery technologies. Our quality team keeps close tabs on any feedback related to downstream reactivity or impurity pickup.
Outside pure science labs, the more practical aspects of Tetraglycine—easy storage, low dust formation, no odd odors—keep it in demand. Warehouse managers comment on how it stacks and stores better than smaller peptide products that tend to cake or produce static. Shipping teams appreciate that it tolerates swings in humidity without developing clumps or caking, unlike certain bulk amino acids and peptides that have to be ground and sieved after transit.
Pharmaceutical and biotech customers rarely settle for average. They insist on documentation, certifications, and traceability. As a manufacturer, we invest in systems for full lot tracking and analytical review—HPLC, IR, NMR, and microbial testing—before any batch leaves the plant. Auditors can review digital records linking each drum to a validated process. Our operations crew learns to expect spot checks and random audits, so every shipment follows the same rigor.
We’ve also committed ourselves to updating certifications as requirements shift. GMP compliance, ISO standards, and Kosher or Halal status come up often, influenced by end-use or regional market. Each of these certifications involves real work—facility upgrades, documentation, and training.
We keep close relationships with auditors and regularly host on-site inspections. This routine built-in transparency keeps our focus sharp and supports customers aiming for their own regulatory filings. As often as certificates matter, it’s the person-to-person trust that makes us a long-term supplier instead of a one-off vendor.
Years on the production floor have shown us that high purity at the raw material stage only matters if it survives every transfer and packaging step. Sticking to stainless steel, non-shedding plastics, and dedicated lines for Tetraglycine isolates each batch from other amino acids and peptides. Our bulk packaging process keeps moisture and airborne particle counts below strict thresholds. Operators cycle through regular training to spot even minor visual deviations, from specks in solution to unusual clumping during packing.
We document cleaning cycles between product switches to limit cross-contamination. Over the years this discipline has cut down on customer complaints and helps us pass the tough scrutiny found in regulated industries.
Most of our customers process Tetraglycine with further synthetic or formulation steps. Sometimes complications show up—unexpected sticking in feed hoppers, incomplete dissolution in high-output blenders, or slight residue in pipetting robots. The only way to head off those problems is steady feedback between us and users. If test labs find undissolved material or see carryover when switching solvents, our team assesses possible root causes. That could be a particle size drift, a packaging seam gap, or even static picking up extra airborne material in the warehouse.
One real example: a customer running automated liquid handlers reported random clogs traced back to inconsistent granule sizing. Our QC team re-checked the sieving and blending steps, traced the batch, and found one older mesh showing slightly higher breakage rates. Swapping that sieve and adding an extra inspection round fixed the issue. That kind of troubleshooting isn’t taught in textbooks—it comes from years of hands-on work and keeping communication lines open.
As a manufacturer, we see the real impact of production on air, water, waste, and our own workforce. Tetraglycine itself is generally safe, but synthesizing and handling any peptide puts demands on our health and safety protocols. Our team regularly reviews all workers’ exposure data, air monitoring results, and PPE requirements, making sure to address any issue immediately.
Waste from peptide production, though minor on a per-batch scale, adds up in a busy facility. We’ve invested in closed-loop solvent recovery, careful filtration, and routine hazardous waste pickups to keep everything above board. On top of that, every new operator trains under supervision, learning to keep powders damped and workstations clean to avoid inadvertent inhalation or lingering residue.
We rarely see offsite environmental complaints or emissions issues, and inspect our systems quarterly. That commitment, demanded by both regulators and corporate responsibility, keeps the product and operation sustainable for years to come.
Some of the most exciting uses for Tetraglycine come from researchers probing new peptide-based materials, biomolecule scaffolds, or delivery vectors. We listen closely when academic groups or new startups approach with design ideas, formulation questions, or oddball application requests; they bring fresh perspectives and challenge us to push the limits on purity, structure, and supply flexibility.
Research often forces us to run small custom batches—modifying synthesis parameters, running unusual purifications, or accommodating requests for nonstandard testing. Though this sometimes stretches our capacity, each new project sharpens our skills and keeps our processes responsive. Tetraglycine serves not just the routine, but the creative edge of chemistry and drug discovery.
For material scientists creating bioactive coatings, long glycine peptides like Tetraglycine enable finer control over self-assembly and surface attachment. In diagnostic devices, its low reactivity avoids background effects that shorter peptides could provoke. Every time our product runs in a new trial or prototype, we ask for data, learn from results, and fold improvements back into production.
No chemical manufacturing story is complete without listening—sometimes daily—to customers’ field realities. If a client’s blending line rattles off every time they switch materials, or if one batch of Tetraglycine refuses to dissolve on the same schedule as previous lots, we take that seriously. Regular phone calls, site visits, and open records help connect the dots between our plant and their processes.
Occasionally, clients uncover issues before our own in-house teams spot them. We’ve learned to see complaints as prompts for improvement, not just hassle. Root cause analysis can uncover upstream raw material shifts, a change in a reagents’ purity, or small tweaks put in by maintenance staff on night shift. Customer-driven checks led us to recalibrate our analytical standards, tighten sieving protocols, and add real-time moisture monitoring.
We’ve added surveys and feedback sessions into regular customer interactions. Some suggestions—like packaging sizes better suited for automated lines, clear labeling for easier inventory checks, and more transparent grading—have made their way into standard practice. Our regular meetings with long-term clients drive continuous changes, big and small.
Recent years have taught us more than we ever wanted to learn about global supply chain resilience. Delays in sourcing protected amino acid precursors, global container shortfalls, and regional disruptions have threatened our ability to keep shelves stocked. But by locking in local backup suppliers and holding inventory, we prevent downstream chaos for our clients.
Price swings happened, too. Our procurement team developed direct relationships with primary reagent producers, and never relies solely on brokers. Bulk ordering, long-range planning with major accounts, and transparency on timing help everyone weather the bumps. As a manufacturer, the commitment goes beyond what’s cheapest or fastest; reliable supply and consistent batches make up the long-term partnership.
Early warning systems, automated stock checks, and open communication lines with users all contribute to resilience. Our best clients often appreciate a call or email flagging possible delays, and most can plan buffer stocks or adjust schedules if given notice. Mutual trust keeps everyone moving—even in rough times. We know lost days in a pilot batch or a pharma run mean real money, so we plan accordingly.
Tetraglycine bought from a manufacturer ought to come with guidance, not just paperwork. Our technical staff—chemists, QC specialists, and engineers—take turns fielding questions about formulation, atypical applications, and testing especially during scale-ups or tech transfers. Direct dialogue between the people who make the peptide and the ones who use it cuts through confusion.
Sometimes that means sending analytical standards, offering spectral data, or walking through a tricky MSDS section with a safety officer. Other times we dive into details of process optimization, sample handling, or document submittals for regulatory purposes. By supporting clients directly, we keep the feedback loop tight, and spot trends—missing certificates, new contaminant concerns, drying or blending quirks—faster than passive sales channels.
Manufacturing at scale means seeing a lot of variations—in raw inputs, synthesis runs, and real-world bulk shipments. Years on the job have produced a Tetraglycine that holds up to scrutiny: high-purity, with tight size control, and honest documentation. Our clients rely on a batch that matches the last, whether they use 10 grams or 500 kilos across monthly runs. We don’t shortcut interior process steps for margin or speed, because experience shows that’s where problems hide. Each batch reflects our own standards.
Rather than hiding behind distributors, we favor direct dialogue and full disclosure—exact origin, quality control stats, and details relevant to every lot. We invite audits, routine samples, and, when needed, off-cycle testing. Clients trust Tetraglycine from a maker who stands behind it, not just a name on the label. We find that approach leads to long-term partnerships and shared improvements for everyone down the chain.