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17-Methyltestosterone

    • Product Name 17-Methyltestosterone
    • Alias Methandren
    • Einecs 200-351-1
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry admin@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    651814

    Name 17-Methyltestosterone
    Chemical Formula C20H30O2
    Molecular Weight 302.45 g/mol
    Cas Number 58-18-4
    Appearance White to off-white crystalline powder
    Melting Point 162-167°C
    Solubility Slightly soluble in water, soluble in ethanol and chloroform
    Usage Androgen and anabolic steroid
    Oral Bioavailability High
    Mechanism Of Action Binds to androgen receptors
    Synonyms Methyltestosterone, Methitest
    Atc Code G03BB02

    As an accredited 17-Methyltestosterone factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing White, opaque plastic bottle labeled "17-Methyltestosterone," 100 mg tablets, 100-count; safety-sealed cap and warning labels for laboratory use.
    Shipping 17-Methyltestosterone is shipped in tightly sealed, clearly labeled containers to prevent contamination and ensure stability. Packaging complies with all applicable regulations for handling and transport of pharmaceutical chemicals. Shipment includes appropriate documentation, Safety Data Sheets (SDS), and is handled by licensed carriers specializing in regulated or temperature-sensitive substances.
    Storage 17-Methyltestosterone should be stored in a tightly sealed container, away from moisture and light, at a controlled room temperature (15–30°C or 59–86°F). Keep it in a secure, well-ventilated area, separate from incompatible substances such as strong oxidizers. Ensure the storage area is labeled appropriately and access is restricted to authorized personnel to prevent unauthorized handling.
    Application of 17-Methyltestosterone

    Applications of 17-Methyltestosterone in Industrial Manufacturing

    As a direct producer of 17-Methyltestosterone, we supply this material to specialized sectors that require strict quality, regulatory compliance, and traceable manufacturing processes. Below, we detail authentic application scenarios supported by recognized industry standards and technical requirements.

    1. Hormonal Growth Promoter in Fish Hatchery Feed Production

    Major aquaculture feed plants incorporate 17-Methyltestosterone for producing masculinized fry, especially in tilapia hatcheries. This compound serves as an androgenic additive during early feeding phases, which leads to the development of male populations favored for their faster growth rates. Its application follows licensed control, subjected to local and export regulatory restrictions, and employs dosage levels set by feed safety committees. Processing typically occurs in specialized premix blending, under monitored environmental and worker safety protocols, with the final medicated mash or pellets distributed only to licensed grow-out facilities.

    Industry compliance standards

    • FAO/WHO Codex Alimentarius for aquaculture feed additives
    • EU Regulation (EC) No 1831/2003 on additives for use in animal nutrition
    • China GB/T 17888 and NY5071 standards for aquatic feed safety
    • National guidelines from authorities such as USDA/APHIS and Vietnam MARD

    Typical usage ratio

    • 20–60 mg per kg feed; adjusted based on targeted fish species, age, and local regulation; exposure period typically administered for 21–28 days post-hatch

    Downstream process integration

    • Microdosed premix addition during feed blending and cold-pressing phases; compound incorporated prior to extrusion or pelletizing to prevent degradation

    Final product types

    • Masculinized larval feed for tilapia
    • Specialized fry-raising diets for Asian sea bass and catfish species
    • Starter feeds for all-male fry production in selected aquaculture exports

    2. Reference Standard for Pharmaceutical Quality Control

    Primary pharmaceutical manufacturers and analytical laboratories apply 17-Methyltestosterone as a certified standard to validate analytical methods, calibrate instruments, and test hormone concentration in finished testosterone formulations. The strict integrity of such reference samples ensures compliance with regional and global pharmacopeial benchmarks, supporting batch release testing, documentation, and process validation as mandated by pharmaceutical regulators.

    Industry compliance standards

    • United States Pharmacopeia (USP) monographs
    • European Pharmacopoeia (Ph. Eur.) method chapters
    • Chinese Pharmacopoeia (ChP) reference substance standards
    • Good Manufacturing Practice (GMP) guidelines (ICH Q7/Q8, WHO)

    Typical usage ratio

    • Reference solutions prepared at 0.1–1 μg/mL for HPLC and GC calibration; adjusted per validated analytical protocols

    Downstream process integration

    • Weighing and dilution in reference standard preparation rooms, followed by use in HPLC and GC analytical sequences

    Final product types

    • Pharmacopoeia-certified reference standards
    • Analytical control samples for pharmaceutical and biopharmaceutical plants
    • Documented batch release certificates for API and drug product testing

    3. Active Pharmaceutical Ingredient in Veterinary Hormonal Preparations

    Veterinary pharmaceutical facilities utilize 17-Methyltestosterone as an active ingredient in compounded hormonal products for registered uses, such as reproductive control and management of hormonal deficiencies in certain animals. Manufacturing follows national veterinary drug regulations, with dedicated cleanroom lines and batch tracing. Formulation and compounding teams precisely meter the input to comply with prescriptive guidelines, and the finished dosage forms undergo strict release testing and official batch certification.

    Industry compliance standards

    • Veterinary Drug Registration policies of USDA Center for Veterinary Biologics
    • European Medicines Agency (EMA) rules for veterinary medicinal products
    • China Ministry of Agriculture Veterinary Drug GMP standards
    • Local pharmacopoeial monographs (e.g., British Veterinary Pharmacopoeia)

    Typical usage ratio

    • Typically 5–25 mg per dose, tailored per animal species and prescribed administration; ratios finalized following regulatory and scientific review

    Downstream process integration

    • API mixing precedes wet granulation or suspension blending in GMP Grade C or D rooms; in-process and finished-product sampling for hormone assay

    Final product types

    • Oral hormonal tablets for veterinary use
    • Veterinary pellets or boluses
    • Hormone-fortified feed supplements under veterinary prescription

    4. Hormone Analysis Control in Environmental and Food Safety Laboratories

    Certified testing laboratories use 17-Methyltestosterone as an internal or external hormone marker when monitoring residues in aquatic food, water, or environmental samples. Its known concentration and stability assist in quality-assured quantitation for regulatory screenings and post-market surveillance. The use adheres to international test method protocols, with strict system suitability and data integrity validation prior to regulatory reporting.

    Industry compliance standards

    • ISO/IEC 17025 laboratory accreditation requirements
    • EPA Method 1698 for steroid hormones in environmental samples
    • EU Council Directive 96/23/EC on residue control in food of animal origin
    • Chinese Food Safety National Standards for hormone detection

    Typical usage ratio

    • Spike or reference addition at 0.2–2.0 ng/g or mL depending on matrix sensitivity and method calibration curve requirements

    Downstream process integration

    • Secondary standard spiking prior to sample extraction or instrumental analysis via LC-MS/MS or GC-MS workflows; included during sample batch preparation

    Final product types

    • Residue-testing kits for food and water analysis laboratories
    • Quality-control panels for hormone detection system validation
    • Published residue surveillance datasets supporting local food safety
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    Certification & Compliance
    More Introduction

    17-Methyltestosterone: A Practical Perspective from the Manufacturer’s View

    Understanding 17-Methyltestosterone

    On the production floor, 17-Methyltestosterone stands out as a reliable synthetic androgen. Our chemists shape its identity, not just through molecular design but by paying attention to how this compound interacts with real-world challenges. We respect the responsibility it brings: a steroid closely patterned to natural testosterone, carrying a methyl group at the 17th carbon. That minor-seeming change expands its reach—enabling oral administration while providing stability across storage and transport conditions. Our daily work with this product roots our respect for its potency and the care demanded at each production step.

    Lab-Crafted Consistency and Purity

    17-Methyltestosterone arrives on the pharmacological stage as a white or nearly white crystalline powder. Getting to that refined state is no small feat. Precision in the synthesis process is essential, because even slight impurities can change both the expected outcome and regulatory standing. We rely on solid-phase chromatography and high-grade solvent recovery practices to push purity higher than the usual thresholds demanded by pharmacopoeias. Each batch goes through extensive HPLC analysis, and random sampling sometimes finds imperfections untracked by the untrained eye. Real hands, trained with years of experience on the line, calibrate the machines and interpret the printouts. So, the numbers you see in the certificate of analysis represent not just compliance, but real-world experience in what separates a trusted product from one that draws scrutiny.

    Why This Methyl Group Matters

    Small molecular tweaks change the game. Adding a methyl group at the 17-alpha position—right where one alteration can decide oral activity or metabolic breakdown—transforms plain testosterone into a pharmaceutical workhorse. In production, we see direct evidence of how this change alters stability and shelf life. The product resists degradation from stomach acids and goes to work after oral dosing, which isn’t true of most natural androgens like plain testosterone. Researchers and clinicians can actually use this for oral therapy and see deliverable results, especially where injectable products pose practical or patient-compliance issues. The methyl group does more than enable absorption. It grants the finished compound longer resistance to enzymatic attack, which means professionals a world away from our plant can dose with predictability and confidence.

    Application in Clinical Settings

    Years ago, most testosterone derivate therapies required injections, often repeated over several weeks. Many patients reported discomfort, inconsistent timing, and frequent hospital visits. With 17-Methyltestosterone, oral tablets opened new possibilities: a controlled dose at home, better patient compliance, and easier dose adjustments. Endocrinologists turn to this molecule for specific cases, especially for male hypogonadism. It can also play a supporting role in some female pathologies, such as in certain breast cancers, where a physician calculates risk and benefit. We hear from medical partners describing how switching to oral androgen therapy lightens the patient’s experience, reducing anxiety tied to needles and clinics. While other routes—a patch, gel, or implant—exist, few match the targeted impact and convenience for appropriate candidates.

    For aquatic and veterinary industries, the compound finds its niche as well. In aquatic farming, specific hormone dosing influences the sex of fish populations. This is not commodity chemistry; it is precise, measurable hormonal engineering. Dosing accuracy, ease of mixing with feed, and consistent quality change the economics of aquaculture. Each kilogram we ship carries a ripple effect out to pond and tank. Our conversations with fish biologists confirm how failures in consistency endanger the agricultural return of entire crops. Widely used hormones like 11-ketotestosterone and natural testosterone do not reliably translate to oral or feed applications, due to breakdown in the digestive tract. 17-Methyltestosterone, with the right formulation, crosses that barrier.

    Manufacturing: Experience, Not Just Process

    Chemistry textbooks provide reaction diagrams, but practical manufacturing requires more than recipes. Temperature control and solvent selection both deserve ten times their weight in attention. Small changes at scale—one extra degree, a slightly longer reaction—shortcut theory and shape outcomes in the real world. Chemical experience means observing a slightly different precipitate, adjusting filtration timing, and troubleshooting subtle color differences in a slurry. We’ve invested in closed-system reactors and recovery units, not only for environmental compliance but because they reduce contamination risk and loss. In our facility, semi-automated lines help with repeatability. Still, every operational shift relies on human oversight; experienced technicians anticipate deviations when producing pharmaceutical-grade products.

    Batch records tell part of the story. The reality of 17-Methyltestosterone manufacturing runs through controls more rigorous than food-grade or industrial applications. We calibrate reagents, double-check weights, log room humidity, and maintain reagent traceability from receiving dock to blending line. Sampling intervals take into account historical process risk. An untrained eye might miss a deviation in melting point or slight cloudiness after recrystallization. Our team intervenes, pulls suspect material, and adapts on the spot. Years in the business let us recognize that specifications on a page never replace the vigilance that preserves a product’s quality in every shipment.

    Quality: More Than Numbers

    Manufacturers know that certificates do not tell a complete story. A lot can hide behind an accepted product, especially in complex molecules like 17-Methyltestosterone. That’s why in-house analytical capacity matters. Our laboratory uses both HPLC and NMR to validate each lot, not simply to check boxes but to ensure customer trust. We track and trend values for potential impurities, including anabolic steroids analogs and residual solvents—far beyond standard monograph guidelines.

    Purity matters: trace contaminations affect not only your outcomes but also downstream reliability in formulation. Recent demands from regulatory agencies put even more focus here. We hold reference-grade analytical standards and cross-check results with external laboratories every quarter. Manufacturers who cut corners on verification lose not only business but also the trust of industry partners, and often face regulatory attention. We choose to over-deliver in this area, knowing quality lapses ripple well beyond the plant fence.

    Regulatory and Compliance Considerations

    17-Methyltestosterone sits within a tightly regulated area. As a synthetic steroid, it faces careful oversight from pharmaceutical regulators in most countries and increasing attention from customs and safety officials worldwide. Our compliance team invests the energy to track the latest legal developments and maintains export controls. Authorities take a hard look not just at the compound, but also at documentation, user intent, and paper trails. Transparency comes from deliberate over-communication: batch records, traceability for key intermediates, and retention samples stored to back up every shipment.

    In global business, different regions expect different documentation. American, European, and Asian agencies ask for their own version of trace records, safety profiles, and risk assessments. As a manufacturer, juggling these demands isn’t just about ticking boxes. It shapes how we set up traceability, maintain digital archiving, and prepare for audits. No two shipments experience the same paper path, and rare process deviations might need special filing. Our job is to stay up to date and to move quickly when changes hit, because a delayed response can put long-term supply chains at risk.

    Differences Between 17-Methyltestosterone and Other Androgens in Manufacturing and Use

    Working directly with several androgens has highlighted clear differences that matter in application and sourcing. Plain testosterone brings metabolic uncertainty in oral use, needing injection or topical alternatives for reliable effect. Other synthetic analogs, like nandrolone or stanozolol, show distinct profiles—both in action and stability. 17-Methyltestosterone provides oral viability and metabolic resilience, and its shelf stability benefits both clinic and field storage.

    From a technical production angle, some analogs require harsher reagents or more complex purification steps. The methyltestosterone synthesis involves strict handling of reagents like methylating agents and protection from water or oxygen to avoid unwanted by-products. Some molecules can tolerate broader temperature ranges or shorter reaction sequences, but these may carry their own risks of impurity build-up or reduction in yield. Our facility’s air control and cleaning systems reflect the exacting standards required here. Finished lots of 17-Methyltestosterone line up with high-purity standards and consistently low levels of residual solvents. That means a smoother experience downstream for formulators or veterinarians who blend, press, or package tablets and sachets.

    Environmental Responsibility and Safety at Source

    As a chemical manufacturer dealing with an active pharmaceutical ingredient, our impact stretches well past plant gates. Responsible disposal, waste minimization, and solvent recycling are embedded in our operational culture. At each stage, byproducts and tank washes receive treatment to avoid environmental harm. Solvents circulate through distillation units, and waste residues are stabilized before collection for regulated disposal.

    Workplace safety shapes our daily routine. Handling 17-Methyltestosterone, especially at scale, demands proper containment and personal protective equipment. Operators undergo frequent training on dust management, accidental exposure, and correct emergency response. Real-world risk doesn’t wait for a compliance audit. Chemical vapors, plumes, and dust can threaten product integrity and worker health if not managed vigorously. We monitor air for low-level contaminants and ensure correct ventilation in all processing areas, not simply for regulatory appearances but because operators’ health is a daily concern.

    Packaging: Designed for Protection and Integrity

    After final quality control, packaging builds the bridge between manufacturer and end-user. 17-Methyltestosterone is sealed in air-tight, light-resistant containers, minimizing exposure to moisture and UV degradation. Each container receives a tamper-evident seal and unique identification code, connecting directly with our digital batch tracking. Labels include both regulatory and practical storage information, reflecting feedback from medical and research clients.

    Shipping conditions matter just as much. We avoid temperature fluctuations and exposure to humidity on the warehouse floor and in transport. The packaging team regularly reviews client feedback—especially from distributors in high-humidity climates—and adjusts insulation and liner specifications for seasonal changes. Unexpected issues like customs inspections or long transport times prompt us to include extra barrier systems, further protecting the product until use.

    Supply Stability and Customer Partnerships

    Stability in production resonates throughout our relationships with customers. Consistent deliveries allow formulators and clinicians to plan therapies with confidence. Supply interruptions rarely announce themselves far in advance; raw materials sometimes dry up due to unrelated global events, regulatory barriers, or transport bottlenecks. By maintaining robust stocks, cultivating multi-source input supplies, and operating flexible production lines, we reduce those risks.

    Our team commits to open communication. Direct user feedback—the kind that surfaces as a phone call after a troubling test result—helps us tighten controls and adapt procedures. Our longevity in this field comes from partnerships based on reliability, prompt troubleshooting, and a genuine commitment to shared outcomes. If a hospital pharmacist identifies a stability issue or a feed manufacturer sees mixing difficulties, we investigate, replicate scenarios in-house, and help refine solutions.

    Supporting Safe Innovation in Research

    Research partners often look for new applications or formulations. We provide technical support, analytical results, and in some cases, pilot-scale samples for experimental use. Innovative formulations call for new compatibilities, which pharmaceutical companies might pursue to improve absorption or alter release profiles. Our technical team collaborates on compatibility testing or custom blending, always aligning with safety and regulatory limits.

    The Road Ahead: Emerging Issues and Solutions

    Market and regulatory scrutiny continue to intensify. Counterfeiting, diversion, and unregulated use challenge legitimate supply chains. We protect shipments with embedded data markers and digital trace systems, letting partners authenticate product origin before each cycle or blend. On-site audits, both virtual and in-person, are welcomed, and we maintain full transparency in production and quality records.

    Environmental expectations climb year after year. Responding to regulatory demands requires investment in cleaner solvents, emissions reduction, and re-use of byproduct streams. Our plant adapts with energy-efficient reactors and solvent-recovery upgrades that cut both emissions and long-term operational costs. Responsible stewardship not only keeps regulators satisfied but sustains future access to critical raw materials threatened by broad environmental policy shifts.

    Conclusion: More Than a Molecule

    From synthesis to shipment, 17-Methyltestosterone’s journey runs through real places and real decisions. Consistency in manufacture, a culture of responsibility, and open partnerships allow us to deliver products that hold up to scrutiny in the field. The practical experience gained on the manufacturing floor points to what matters most: every quality batch supports clinical reliability, research discovery, and industry progress. In one molecule, thousands of hours of training, adaptation, and commitment manifest—ensuring a product that stands ready for honest and impactful use worldwide.