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HS Code |
479973 |
| Chemical Name | Methyltrienolone |
| Cas Number | 965-93-5 |
| Molecular Formula | C19H24O2 |
| Molecular Weight | 284.39 |
| Synonyms | Metribolone, R-1881 |
| Drug Class | Anabolic androgenic steroid |
| Form | Oral tablet |
| Bioavailability | High (oral) |
| Half Life | 6-12 hours |
| Activity | Non-aromatizable androgen |
| Iupac Name | 17β-Hydroxy-17α-methylestra-4,9,11-trien-3-one |
As an accredited Methyltrienolone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Methyltrienolone is packaged in a small, amber glass vial containing 1 gram, with a tamper-evident cap and clear labeling. |
| Shipping | Methyltrienolone is shipped in secure, leak-proof containers, compliant with regulations for hazardous chemicals. Packaging ensures protection from light, moisture, and physical damage. Proper labeling, including safety and hazard information, accompanies each shipment. All transportation follows international and local legal requirements for chemical handling, ensuring safe and responsible delivery. |
| Storage | Methyltrienolone should be stored in a tightly sealed container, protected from light and moisture, at a temperature between 2°C and 8°C (refrigerated). It should be kept away from incompatible substances, such as strong oxidizing agents. Ensure storage in a secure, well-ventilated area with restricted access to authorized personnel, and clearly label the container for laboratory or research use only. |
Applications of Methyltrienolone in Industrial ManufacturingMethyltrienolone, a potent synthetic anabolic steroid, serves as a reference standard in pharmaceutical research and quality control. As a manufacturer, we supply this specialty raw material to licensed downstream sectors where its unique binding profile and properties fulfill critical analytical functions. Below, we detail the key industrial application scenarios of Methyltrienolone, outlining specific compliance obligations, formulation ratios, integration stages within manufacturing, and corresponding finished product types. 1. Pharmaceutical Research Reference Standard ProductionPharmaceutical quality control laboratories and certified reference material producers utilize Methyltrienolone for analytical calibration and method validation, particularly in steroid analysis. Its extremely high androgen receptor affinity assists in benchmarking bioassays and chromatographic evaluations for GMP-regulated pharmaceutical products. This application supports dosing accuracy checks and impurity identification across global compendial requirements. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
2. Forensic Analytical Control and Anti-Doping Laboratory SupplySpecialized forensic and anti-doping laboratories require Methyltrienolone as a highly specific internal and external reference in banned substance detection arrays. Its non-medical status and potent AR binding make it a benchmark compound for developing and validating advanced mass spectrometry and immunoassay protocols for athlete biological passport monitoring and anti-doping screening operations. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
3. Clinical Diagnostic Kit and Research Reagent ManufacturingManufacturers of immunoassay-based or chromatographic clinical diagnostic test kits employ Methyltrienolone in confined laboratory-scale production as a control substance for steroid hormone quantitation. This includes its use in assay controls for androgen receptor binding studies relevant to endocrine disorder diagnostics and specialized pharmacology research reagent sets. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
4. Academic and Commercial Bioassay DevelopmentAcademic research teams, contract research organizations, and commercial bioassay developers source Methyltrienolone for use as a benchmark ligand in receptor binding assays and cellular reporter gene experiments. It supports studies regarding androgen receptor activity within molecular pharmacology and toxicology projects, as well as offering a non-therapeutic standard for quantifying comparative binding selectivity and cell signaling pathway activation. Industry compliance standards
Typical usage ratio
Downstream process integration
Final product types
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We manufacture Methyltrienolone by keeping focus squarely on the chemistry and the real-world applications. In our line of work, nothing matters as much as clarity over how a molecule interacts with both process equipment and end-use environments. Once you step past the surface-level information, you find a substance with unique structural traits and a story that's closely linked to the evolution of synthetic androgens. No middlemen stand between us and the process—every batch comes straight from our controlled environments.
At its core, Methyltrienolone stands as a 17α-alkylated derivative of trenbolone. Chemists sometimes refer to it by its shorthand, R1881. This molecule displays potent androgenic characteristics with an affinity for the androgen receptor that surpasses most compounds you’ll find in both research and industry. The oral bioavailability draws immediate attention—many substrates break down quickly due to hepatic metabolism, but the methylation at C-17 ensures this compound cuts through first-pass clearance with its integrity largely preserved.
We see much talk about power or efficacy in steroid chemistry, but rarely with the specificity and reliability documented around methyltrienolone. Published research, including binding affinity assays and clinical investigations, shows this product binds both to the androgen receptor and, to a lesser extent, to progestin receptors, yielding a profile that pushes the frontiers of synthetic anabolic agents. Any manufacturer worth their salt pays close attention to this quality—not as a point of marketing, but as a signal to those handling the molecule in academic or pharmaceutical contexts.
Consistency marks the line between a haphazard operation and a true chemical manufacturer. In our case, we set batch targets that don't stray from 99% HPLC purity, and maintain strict controls on residual solvents—less than 0.5% by validated analytical methods. Every lot faces both visual microscopy and advanced spectral analysis: IR, NMR, and MS. Standardized particle sizing ensures reliable solubility when users dissolve samples for receptor assays, chromatography, or biochemical experimentation.
A well-handled manufacture produces crystalline powder, slightly off-white to pale yellow, reflecting minimal contamination with side products or residual reaction intermediates. One often-overlooked detail is odor; finished methyltrienolone, if properly recrystallized, gives no discernible smell due to absence of volatile side chains or excess reagents. We invest heavily in purification and repeated solvent exchanges—the kind of techniques that don't just read well on paper, but actually lead to real batch-to-batch consistency.
Methyltrienolone often finds itself compared to compounds like trenbolone acetate, stanozolol, methandienone, or even methyltestosterone. From our production benches, the differences start at the synthesis step. We work with nitrogen-rich starting materials, using stepwise methylation and condensation, rather than the acetylating approaches that suit other classes of anabolic molecules. The result impacts not just the chemical but the level of control we can assert over purity and molecular integrity.
Trenbolone, for instance, lacks the 17α-methyl group. As a result, it degrades quickly in the liver if taken orally, so producers aim for injectable formulations. Methyltrienolone, by contrast, survives the digestive tract's harsh environment, opening a door for oral administration in research settings. In application, methyltrienolone’s receptor binding eclipses even trenbolone, marking a difference that matters both to researchers and to anyone calibrating analytical assays. Compared to methyltestosterone, another classic, the binding affinity and functional activity of methyltrienolone outpace the older standard dramatically, with lower required test doses in vitro.
Stanozolol and methandienone, often cited in performance circles, bring a slightly different structure—built for moderately anabolic action and a different safety and metabolic profile. Our methyltrienolone, though, emerges clean from laboratory synthesis with unwavering potency, even in nanomolar or sub-nanomolar conditions. These characteristics change how academic protocol writers select compounds. In recent years, peer-reviewed journals cite methyltrienolone as a gold standard for androgenic testing; this isn’t just tradition—it stems straight from measurable differences in molecular strength and selectivity.
We handle the supply chain for the direct precursors and reagents. This independence means our process can afford selectivity in sourcing. By managing our own procurement, impurity profiles shrink, and the need for corrective filtering or post-treatment diminishes. The result: a product that stands apart from what aggregators or bulk resellers might source from anonymous factories.
No academic or industrial team approaches a potent synthetic without caution. Methyltrienolone, due to its high receptor affinity and oral bioavailability, finds primary use in receptor binding assays and molecular biology studies. Our discussions with pharmacologists highlight one core issue—the challenge of finding a reference compound capable of demonstrating the full spectrum of androgen receptor modulation. Methyltrienolone fills this niche with as little background “noise” as possible, ensuring each signal measured in these assays reflects true receptor interaction, not off-target artifacts.
We collaborate with several research groups working in androgen and progestin receptor studies. They often note the compound’s ability to signal at extremely low concentrations; data from both North American and European labs consistently show meaningful results starting below 1 nM, a threshold out of reach for nearly every other commercially accessible anabolic agent. This trait saves both material and time, streamlining bioassay pipelines and helping labs stick to tight budgets without sacrificing result quality.
Pharmacological studies occasionally use methyltrienolone to probe the mechanistic basis of androgenic responses, such as gene transcription via receptor activation. The molecular structure, with its rigidity and lack of metabolic breakdown, ensures it stays present long enough for temporal studies—allowing teams to better map out the downstream consequences of receptor activation. We see more universities requesting reference standards for this purpose over the past decade, reflecting a broader scientific recognition of its methodological value.
Technical teams in our plant start with the raw basics: clean reagents, careful temperature control, and multi-stage monitoring. The process requires both isolation of intermediates and fine control during the methylation phase, where impurities or overreaction can introduce hazards or degrade yield. Our lead chemists train extensively—quantitative NMR and analytical techniques play a daily role in guiding adjustments. We monitor not just for yield, but for side-product minimization and even the smallest signs of isomerization or byproduct formation.
Once synthesis completes, we run multiple washes and final crystallization in precisely measured solvents. People outside production often overlook how much batch stability and solubility stem from how carefully powders get dried. Dry solvents and neutral atmospheres set the standard; open vessels or humid lines invite contamination or loss of chemical integrity. We maintain environmental logs for each series of batches, so the data supports every certificate of analysis we stamp.
Shipping, too, reflects a chemist’s priorities. Poor packaging leaches moisture or oxygen, so we use independently sealed containers, argon or nitrogen purging, and specially lined bottles for international orders. These aren’t just procedural steps—they stop a powerful compound like methyltrienolone from degrading before it ever sees a lab bench.
Supply of methyltrienolone brings constant regulatory scrutiny. As a manufacturer, we navigate evolving import and export frameworks, and accommodate the strict requirements attached to substances that cross the threshold from fine chemical to controlled agent. That means dedicating trained compliance teams, and investing in software that tracks both outgoing lots and the changing patchwork of legal restrictions. Chemical traceability isn’t an afterthought; the risk of diversion or improper use makes it a front-line concern.
Safe handling commands respect, too. The high affinity and potency of methyltrienolone present occupational risks rarely seen with other laboratory chemicals. Our staff work to international occupational safety guidelines—for one, by using glove boxes or controlled atmosphere hoods when weighing and bottling, and by integrating both electronic and physical checks into inventory management. Where shelf stability or photodegradation could become a concern, our facility’s controlled lighting and ambient conditions keep batches stable. These measures protect both worker health and product reliability at the user’s end.
We field technical queries and material compatibility issues directly from customers. They ask about solubility in particular media, about crystallinity under various temperatures, and about long-term storage conditions. Some want guidance about conversion to working solutions, others need reassurance that we don’t introduce toxic residual catalysts or unreacted starting materials. Because our chemists see the entire creation arc, answers aren’t canned—they come from actual logbooks and process notes.
A molecule’s story gets told not just in the journals, but in the small details seen only up close. Our production teams operate at a scale large enough to meet demand but small and flexible enough to make batch adjustments. Scaling up presents both a temptation and a risk. Overly aggressive expansion dilutes focus and threatens quality. We’ve grown our methodology organically over the years, adding new purification steps as better spectroscopic tools became available, and documenting each change so future production gains, not loses, reliability.
History teaches us that methyltrienolone never played a big part on pharmacy shelves, but it took on a new life as scientific reference material. Each year brings greater scrutiny and improved analytical methods. Our experience in mitigation—anticipating regulatory shifts or shipping bottlenecks—means we plan releases with an eye toward shelf life, packaging, and downstream usability. Being hands-on means we don’t just react; we adapt protocols quickly, adjusting synthetic routes or logistics based on changes in precursor material availability.
This direct approach touches every stage from raw material order to the final sign-off on documentation. If a batch strays from specification, it doesn't ship. If a customer needs a custom particle size or special documentation, our lab can accommodate—without betting against the core focus on purity and transparency.
No chemical thrives in isolation from its context. Our methyltrienolone production represents more than a run through reactors and filters; it’s about feeding a circle of scientific inquiry, enabling research, and fostering transparency in industry practices. Academic teams call for ever-tighter purity and documentation, and regulatory authorities move the bar upward every year—in each case, our operations have adapted in parallel, hiring new analysts and investing in robust chromatographic and spectrometric tools.
Where the field once tolerated incomplete batch records or loosely defined impurity thresholds, modern manufacturing makes those standards obsolete. Our archival practices keep both paper records and secure digital backups on hand, so any anomaly—whether a change in starting material supplier or an issue with solvent purity—leaves a trace for review. This deep record keeping not only serves compliance agencies, but also fortifies confidence among labs choosing us for critical-order compounds.
Reproducible science relies on reproducible chemistry. We rarely talk in hypotheticals—only in facts observed and records made. Every improvement, whether an upgrade in purification or an enhancement of storage container material, derives from observations in real-world conditions. Batch documentation, calibration logs, and deviation reports inform every future cycle—closing a feedback loop that supports both scalability and artisanal attention to chemical quality.
Market disruptions sometimes test even the most carefully arranged supply networks. Changes in precursor costs or interruptions at the customs level flip day-to-day routines upside down. We prepare with redundancy—stocking critical intermediates in secure, environmentally stable storage, and keeping open communication with both vendors and regulatory bodies. In more than one instance, this agility has proven the difference between a timely delivery for an urgent research project and a missed opportunity that delays a publication or experiment.
We remain mindful of the broader social and ethical questions surrounding potent androgenic agents. This product lives in a sensitive domain: Used with rigor and transparency, it advances understanding in endocrinology and molecular biology; handled carelessly, it could fuel misuse. Our policies include strict vetting of end-users and a refusal to supply to any parties lacking firm legal and research credentials. Regular lab checks and audits close the circle of accountability and force us to revisit, rather than just rely on, best practices.
That’s not just due diligence—it’s respect for the molecule, the work, and the consequences of error or negligence in chemical supply.
As chemists and producers, we see methyltrienolone as more than a line on an order sheet; it’s a test of how well scientific manufacturing can respond to shifting demands, tighter controls, and rising expectations. Our place in the market grows out of technical integrity and a willingness to push incremental improvements, not grand promises. We stand by every order with the collective rigor of a team that’s spent years perfecting process, troubleshooting synthesis steps, and staying current with literature, both academic and regulatory.
In every sense, the journey from precursor to finished sample captures what’s possible when a manufacturer treats both product and process as intertwined, each informing and elevating the other. This philosophy remains at the core of our work, and defines the difference between an ordinary synthesis and a trusted source. Every package shipped carries the weight of careful measurement, deep expertise, and a spirited commitment to scientific advancement.