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11Alpha-Hydroxyprogesterone Acetate

    • Product Name 11Alpha-Hydroxyprogesterone Acetate
    • Alias 11α-OH-progesterone acetate
    • Einecs 252-588-4
    • 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

    851399

    Chemical Name 11Alpha-Hydroxyprogesterone Acetate
    Molecular Formula C23H32O4
    Molecular Weight 372.50 g/mol
    Cas Number 979-02-2
    Appearance White to off-white crystalline powder
    Solubility Practically insoluble in water, soluble in organic solvents such as ethanol and chloroform
    Melting Point 214-218°C
    Clinical Use Progestin; formerly used in gynecological disorders
    Storage Conditions Store at room temperature, away from moisture and light
    Route Of Administration Oral

    As an accredited 11Alpha-Hydroxyprogesterone Acetate factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.

    Packing & Storage
    Packing A white, sealed 10g amber glass vial labeled "11Alpha-Hydroxyprogesterone Acetate, ≥98% purity, for research use only."
    Shipping 11Alpha-Hydroxyprogesterone Acetate is shipped in secure, clearly labeled containers adhering to safety regulations for chemicals. Packaging ensures protection from light and moisture. It is transported at controlled room temperature, with accompanying safety data and hazard documentation, to prevent degradation and ensure compliance with international shipping guidelines for hazardous materials.
    Storage 11Alpha-Hydroxyprogesterone Acetate should be stored in a cool, dry, and well-ventilated area, away from sources of heat, moisture, and direct sunlight. It should be kept in a tightly closed container, clearly labeled, and placed in a secure location, away from incompatible substances such as strong oxidizers. Follow all applicable regulations and safety guidelines when storing this chemical.
    Application of 11Alpha-Hydroxyprogesterone Acetate

    Applications of 11Alpha-Hydroxyprogesterone Acetate in Industrial Manufacturing

    As a producer of high-purity 11Alpha-Hydroxyprogesterone Acetate, we supply this advanced steroidal intermediate for multiple regulated sectors. Our manufacturing focus covers its integration into pharmaceutical ingredient synthesis, veterinary pharmaceutical formulations, hormone research chemical supply, and specialty chemical intermediates. Each of these downstream paths entails unique compliance demands, process roles, ratio controls, and drives production of targeted high-value end products.

    1. Pharmaceutical Corticosteroid Intermediate Synthesis

    Major pharmaceutical synthesis enterprises utilize this intermediate as a core precursor in the production of semi-synthetic corticosteroids. Companies formulate batch-specific conversion routes to optimize the positioning of hydroxyl and acetate groups, directly impacting product yield and purity. Advanced reactors and highly controlled conditions ensure full compliance with regulated manufacturing standards, particularly in upscaling for API supply. In-process QC monitors residual solvents and impurities at every step, protecting process validation for each corticosteroid API batch.

    Industry compliance standards

    • ICH Q7 Good Manufacturing Practice (GMP) for APIs
    • United States Pharmacopeia (USP) specifications for corticosteroid intermediates
    • European Pharmacopoeia (Ph. Eur.) 11.0
    • FDA 21 CFR Part 210/211 current GMP guidelines

    Typical usage ratio

    • Conversion reactions target 0.95–1.05 molar equivalents of the intermediate per target molecule, adjusted based on route-specific yield optimization and impurity profile monitoring

    Downstream process integration

    • Entered during the main stage of multi-step steroid synthesis; feeds into acetylation and subsequent hydroxylation steps prior to crystallization and purification of target corticosteroid APIs

    Final product types

    • Betamethasone, Dexamethasone, Prednisolone, and associated corticosteroid APIs

    2. Veterinary Drug Manufacture

    Veterinary pharmaceutical formulators use this material to develop progestogen-based treatments for livestock reproductive regulation and disease control. Application involves careful scale-up under controlled factory environments, selection of solvent systems free from prohibited residues, and adherence to global feed additive and drug residue limits. QA units cross-reference animal-specific pharmacopoeia maxima before formulating veterinary hormone active substances using this critical intermediate.

    Industry compliance standards

    • VICH GL1–GL3 GMP guidelines for veterinary medicinal production
    • European Pharmacopoeia monographs for veterinary steroids
    • FDA Center for Veterinary Medicine (CVM) standards
    • OECD Maximum Residue Limit (MRL) lists for food-producing animals

    Typical usage ratio

    • Up to 1.10 molar equivalents in target API synthesis; reduced to maintain below maximum residue limits defined for animal tissues, with process controls based on intended species and regional regulations

    Downstream process integration

    • Utilized at the initial steroidal framework building step; proceeds to esterification and micronization before formulation into injectable or feed additive veterinary products

    Final product types

    • Reproductive control implants, livestock progestogen injectable solutions, and medicated feed additives for regulated animal husbandry

    3. Hormone Research Chemical Sourcing

    Academic and private research laboratories require ultra-pure steroidal intermediates for hormone mechanism studies, receptor assay development, and preclinical pharmacology exploration. Sourcing teams rely on validated manufacturer documentation, full traceability from batch to origin, and analytical purity substantiation. Shipment packaging and documentation comply with international sample transport and laboratory use regulation to guarantee material integrity through delivery and on-site handling.

    Industry compliance standards

    • ISO/IEC 17025 laboratory material standards
    • OECD Recommendations for Good Laboratory Practice (GLP)
    • IATA Dangerous Goods Regulations for sample shipment
    • REACH registration under laboratory reagent exemption

    Typical usage ratio

    • Research protocols typically specify 5–50 mg/mL concentrations, modulated per assay development requirements; total mass varies with experimental scale and receptor panel size

    Downstream process integration

    • Stock standard prepared from pure intermediate; dissolved in analytical-grade organic solvents and dosed into in vitro or in vivo assay systems as baseline comparator or substrate

    Final product types

    • Reference standards, receptor binding assay kits, pharmacological pathway mapping collections, and custom hormone derivatization test substances

    4. Specialty Steroid Chemical Intermediate for Fine Chemical Industry

    Producers of specialty steroids integrate this acetate into the synthesis chains for niche active steroidal compounds. Operation depends on multi-stage organic synthesis with emphasis on yield preservation in each coupling, reduction, or deacetylation step. Process engineers customize chemical pathways and select catalysts and solvents based on desired downstream structure, controlling each reaction stage under industry-specific environmental and worker safety standards. Strict documentation and material tracking enable transparent supply to specialty and custom chemical markets.

    Industry compliance standards

    • ISO 9001 certified quality management systems
    • Responsible Care environmental safety protocols
    • European REACH registration for specialty chemicals
    • National standard catalogues for substances used in restricted chemical manufacture

    Typical usage ratio

    • Typically 0.90–1.15 molar equivalents; process engineers adjust within this window for minimal byproduct formation and complete transformation to downstream specialty structures

    Downstream process integration

    • Entered after raw starting material isolation; feeds into functional group transformation and derivatization steps, often as a substrate for further chemical modification targeting unique steroidal end-products

    Final product types

    • Bespoke synthetic steroids, rare hormone analogues, intermediate-stage molecules for advanced organic synthesis, building blocks for steroid-based specialty surfactants and additives
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    Certification & Compliance
    More Introduction

    11Alpha-Hydroxyprogesterone Acetate: Focused Manufacturing, Real-World Impact

    Our Commitment to Precision in Steroidal Chemistry

    Manufacturing 11Alpha-Hydroxyprogesterone Acetate requires a careful hand and a clear understanding of progesterone derivatives. Our experience with this advanced molecule goes back decades. We pay close attention to every batch, from the initial synthesis through the final packaging. Each step has been refined so our customers can expect consistency and strict compliance with quality expectations.

    Model and Specifications: What Sets It Apart

    We manufacture 11Alpha-Hydroxyprogesterone Acetate with a focus on purity and trace control. By staying close to the chemistry, we keep impurities in check and ensure the compound's characteristics are closely monitored. Our typical product appears as a white to off-white crystalline powder. Identification follows modern chromatographic and spectrometric techniques. Purity levels routinely exceed 98% by HPLC, with residual solvent content well below international thresholds. Moisture content rarely strays beyond 0.5%.

    Each specification, from melting point to specific rotation, is tested using instruments calibrated in-house and through third-party proficiency audits when necessary. We don’t cut corners on this process. The final product leaves our plant with a certificate that includes batch-specific analytical data, so downstream laboratories can match their own test results against ours with full confidence.

    We keep the particle size uniform for independent reproducibility in formulation and research use. Some customers ask us to tailor the granulation or micronization according to end-use, and our facilities support these modifications under controlled conditions. Our decision to avoid large-scale automation here comes from firsthand experience: people catch details that machines miss. That difference shows in the feedback we receive from formulators and process engineers.

    Understanding the Role of 11Alpha-Hydroxyprogesterone Acetate

    This compound doesn’t end up on pharmacy shelves by itself, yet it underpins generations of medicinal research. Its structure, a hydroxy and acetate-modified progestogen backbone, makes it especially interesting for developing corticosteroids and investigating hormone receptor pathways.

    Many groups employ our 11Alpha-Hydroxyprogesterone Acetate as an intermediate for hydrocortisone analogs. Synthetic protocols build upon this backbone to yield a series of anti-inflammatory and metabolic compounds. Other customers prefer it as a starting point for probing enzyme selectivity in steroid biochemistry. Our partners in academia mention its stable acetyl group, which shields the molecule during strict reaction conditions, reducing side products that could upset downstream work.

    In industrial-scale synthesis, robustness is non-negotiable. We address that with careful batch scheduling and continuous online monitoring, observing each reactor for both temperature and individual reactant profiles. This isn’t just chemistry—it’s about minimizing downtime, preventing off-spec waste, and reducing the risk of unexpected decomposition.

    How Our Experience Informs Every Batch

    We have watched the market for steroid intermediates change as regulatory requirements tightened. Several years ago, new restrictions on genotoxic impurities led us to reevaluate our testing panels. Rather than wait for demands from buyers or regulators, we anticipated the likely changes and introduced high-sensitivity LC-MS screening. Those investments paid off: customers from regulated markets appreciate documentation that clears the most rigorous hurdles.

    One challenge involves the traceability of origins for raw materials. Sourcing the right grades of progesterone requires audits of agricultural suppliers as well as chemical refiners. We’ve seen price spikes and supply bottlenecks during crop failures in key producing regions. Our solution comes from building long-term partnerships with two main suppliers, both of whom document environmental and social responsibility certifications. We don’t just check a box. We regularly send our own staff to audit these facilities and talk to vendors face to face. The most robust supply agreements emerge from genuine trust—and, just as importantly, a clear protocol for recalls or rapid shutdowns in the event of contamination or quality concerns.

    Comparing 11Alpha-Hydroxyprogesterone Acetate to Related Molecules

    Steroidal intermediates cover a wide landscape. Some users ask how our 11Alpha-Hydroxyprogesterone Acetate differs from others such as 17Alpha-hydroxy or plain progesterone acetates. Our technical team has examined these differences in published and unpublished research.

    The main distinction—one recognized in both pharmacology and process chemistry—involves receptor affinity and ease of subsequent modification. Where 17Alpha-hydroxy derivatives see more direct application in female reproductive therapies and injectable formulations, the 11Alpha-hydroxy group serves synthetic corticosteroid pipelines and topical agents intended for inflammation or dermatologic use.

    Process-wise, certain substitutions make purification easier or harder depending on solvent systems and degradation byproducts. Our acetate-modified version holds up under harsher temperature and pH conditions than standard hydroxyprogesterone, permitting richer dialogue between process chemists seeking to scale up without unpredictable decomposition.

    Some customers initially try cheaper alternatives sourced from markets that don’t emphasize trace characterization. We’ve spoken to buyers who found that even small differences in impurity profile alter the yield and performance of their downstream processes. Repeatedly we see a return to compounds with verifiable batch records and side-by-side impurity mapping—especially in higher-regulated sectors.

    Challenges and Solutions in Manufacturing

    No production plant operates without hurdles. 11Alpha-Hydroxyprogesterone Acetate synthesis relies on sensitive oxidation and acetylation steps, which react strongly to fluctuations in humidity and temperature. Over decades, our maintenance staff has tracked seasonal shifts and adjusted the environmental controls inside the plant as a daily ritual. These real-world adjustments help us avoid batch failures, something a fully outsourced shop won’t always recognize until it’s too late.

    We also face regulatory questions about solvent recovery and hazardous waste. Disposal of halogenated byproducts poses an ongoing challenge, both for safety and cost reasons. Rather than outsource waste management blindly, we invested in an on-site destruction and filtration system. It cost more up front but paid dividends as external disposal regulations tightened. Now, our wastewater routinely tests below permitted thresholds—a fact confirmed in our annual environmental audit reports.

    Another frequent topic is worker safety. Many of the raw materials involved develop potent dust or vapors if mishandled. We maintain positive-pressure rooms and personal protective equipment practices that our line staff helped design. These protocols didn’t emerge from the imagination of some distant compliance officer, but from the lived reality of chemists who spend every day in the plant. Inspection teams consistently note the high morale and low turnover among our technical operators, which we see as a key sign that we’re getting safety right.

    The Human Element: Building Knowledge and Relationships

    Our operation draws from the collective knowledge of chemists, maintenance crews, and support staff who often stay with us for a career. We share success stories internally; when a new analyst spots an unexpected signal in a chromatogram, we don’t treat it as an error but an opportunity for review and discussion. In some cases, that attention has caught contamination or batch drift before it could affect our customers.

    Training sits at the core of our system. Each new hire undergoes practical instruction in both manual and automated systems. Experienced staff oversee routine operations until they’re convinced the next person understands both the written procedure and the practical shortcuts that make a difference during crunch times.

    We host visiting scientists from downstream companies who want to see firsthand how their intermediates are produced. The dialogue has improved our approaches, from how we document storage conditions to how we stage quality control lots. Practical feedback leads to actionable changes in our protocols, which we document and review at each quarterly meeting.

    11Alpha-Hydroxyprogesterone Acetate and the Future of Steroidal Synthesis

    The world of pharmaceutical chemistry doesn’t stand still. Each year we review advances in catalyst technology and biotransformation. Emerging green chemistry movements pay close attention to minimizing hazardous reagents—a push we wholeheartedly support, both for industrial and ethical reasons.

    Some researchers are exploring enzyme-based oxidations to substitute classical chemical routes. We have pilot projects underway, attempting to use immobilized enzymes to introduce the hydroxy group, then cap it with acetate under biologically milder conditions. This approach could slash both hazardous waste and reaction time, although consistent yields remain a challenge at large scale. We see promise there, and we allocate resources every year for those proof-of-concept trials.

    Meanwhile, digital control systems are helping us catch deviations earlier. Process analytical technology lets our team monitor real-time data streams. Whenever production metrics start to stray from the setpoint, our operators receive immediate alerts and can adjust agitation, pH, or temperature without waiting for a full QC cycle. This sort of automation pairs well with human oversight—not as a substitute, but as another set of eyes.

    Market Demands: How We Respond

    Supply and demand for 11Alpha-Hydroxyprogesterone Acetate run in cycles. A sudden uptick in interest from a new therapy or reformulation can tax even the largest supply chains. We have learned to maintain safety stock beyond what just-in-time models call for. This decision isn’t always easy from a financial perspective, but we’ve watched our customers get caught short more than once when relying on traders who promised delivery they couldn’t fulfill.

    We don’t offer every size or packaging option under the sun, yet we will rework batch sizes or schedules to cover validated high-priority needs when science and logistics make it possible. Experienced buyers know that a steady manufacturer does more than just deliver a product: they deliver reliability. We keep our logistics department integrated with both production staff and senior management so that bottlenecks get spotted and solved quickly.

    In moments of uncertainty—whether from regulatory change, logistics constraints, or abrupt demand spikes—close connections with trusted customers matter even more. Our longest-standing relationships have brought insights we wouldn’t otherwise have—like better container labeling systems, custom documentation, or changes in batch sizes that minimize total waste on the user end. These lessons work both ways, tightening bonds and improving industry practices.

    Quality Beyond the Certificate

    Manufacturers get judged by much more than a COA. Downstream partners can tell when a compound performs well in their processes and when issues show up batch to batch. Our tight adherence to established protocols, combined with regular review and incremental improvement, has made a difference both for us and our customers.

    We support open communication whenever issues arise. In one case, a longtime client flagged an unexpected peak in their routine NMR screen. We replicated their analysis in our own lab, confirmed the impurity, and tracked it to a supplier who changed their drying protocol. The problem didn’t appear on our standard panel but showed up using their more specialized test. By collaborating openly—sending raw spectra, not just summary sheets—we removed the contaminated lot and changed our vendor protocol. That incident could have soured a relationship; instead, it deepened trust and sharpened our vigilance for new threats.

    This approach—take every outlier seriously and follow it to its origin—makes a bigger difference than flashy certifications ever did. Our regular customer reviews reflect that. Many mention not just the product itself, but the willingness to field questions about anything from storage advice to alternate solvent systems.

    Paving a Way Forward With Transparency and Rigor

    Transparency continues to shape our approach. As market regulations evolve, the paperwork burden grows, yet we see value in openness. Every certificate that leaves our facility includes not only final release data but the actual method parameters. Our documentation team links each piece of data back to individual production and QC records. We open our books willingly to both auditors and partners who want to verify our process.

    We share best practices with other manufacturers who face similar challenges. Some view this as giving away trade secrets; we see it as part of our responsibility to raise the bar for everyone producing pharmaceutical intermediates. Issues like uncontrolled emissions, poor storage hygiene, or unreliable recordkeeping hurt both patients and the industry’s reputation. Cooperation and accountability build a better foundation for all.

    In discussions at professional meetings and regulatory summits, we don’t hesitate to outline our real-world hurdles or admit complications, even at the risk of exposing growing pains. By bringing challenges to the table—labor shortages, raw material price spikes, complex compliance hurdles—we invite realistic, practical solutions that benefit manufacturers, clients, and eventually the people whose lives depend on safe medicines.

    Why Experience Matters in Steroidal Chemistry

    Manufacturing 11Alpha-Hydroxyprogesterone Acetate isn't just about meeting a written standard. It’s about understanding the ripple effects that small process adjustments can have on the final compound. It’s about foreseeing market swings and regulatory shifts, then building enough flexibility into your operation to respond.

    We ground our work in hands-on expertise—daily troubleshooting, ongoing investment in people and equipment, and an open door to feedback. This ongoing exchange produces a compound that meets laboratory and production expectations, batch after batch. While we constantly examine ways to lower our environmental footprint and streamline logistics, we refuse to cut corners on quality or safety to get there.

    As interest in steroidal chemistry continues to grow, we remain convinced that success relies on practical experience, transparent operations, and a willingness to rethink established routines. Open discussion, rigorous self-examination, and long-term relationships drive our results—and make each batch of 11Alpha-Hydroxyprogesterone Acetate a symbol of progress for everyone involved.