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Dienestrol Diacetate

    • Product Name Dienestrol Diacetate
    • Alias Dienoestrol diacetate
    • Einecs 212-341-4
    • 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

    766690

    Chemical Name Dienestrol Diacetate
    Molecular Formula C22H24O4
    Molecular Weight 352.42 g/mol
    Cas Number 147-75-7
    Appearance White to off-white crystalline powder
    Solubility Slightly soluble in water, soluble in organic solvents
    Pharmacological Class Synthetic nonsteroidal estrogen
    Route Of Administration Oral, topical
    Storage Conditions Store at room temperature, away from moisture and light
    Use Formerly used in hormone replacement therapy

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

    Packing & Storage
    Packing Dienestrol Diacetate, 25g, packaged in an amber glass bottle with a secure screw cap and tamper-evident seal.
    Shipping Dienestrol Diacetate should be shipped in compliance with all applicable regulations for hazardous chemicals. It must be securely packaged in tightly sealed containers, protected from light and moisture, and clearly labeled. Transportation should avoid extreme temperatures and rough handling to prevent leaks, spills, or degradation of the compound.
    Storage Dienestrol Diacetate should be stored in a tightly closed container, kept in a cool, dry, and well-ventilated area away from incompatible substances. Protect it from light, moisture, and excessive heat. Store at room temperature, typically between 15–25°C (59–77°F). Proper labeling and secure storage are essential to prevent unauthorized access and to maintain chemical stability.
    Application of Dienestrol Diacetate

    Applications of Dienestrol Diacetate in Industrial Manufacturing

    As a dedicated manufacturer, we supply Dienestrol Diacetate to established industries with clearly defined processing protocols and quality criteria. Our direct supply chain guarantees traceability and specification consistency for advanced chemical applications. Below, we outline principal downstream scenarios where this raw material is a key input in regulated sectors.

    1. Pharmaceutical Estrogenic Agent Synthesis

    Dienestrol Diacetate serves as an active pharmaceutical ingredient in the formulation of synthetic estrogenic products for therapeutic use. Downstream manufacturers rely on tightly controlled synthesis protocols and stringent purification steps to produce bulk estrogenic agents. Our material integrates at the pre-formulation stage, enabling precise dosing for hormone replacement therapies, gynecological treatments, and related medical indications under international regulatory frameworks.

    Industry compliance standards

    • Current Good Manufacturing Practice (cGMP) (21 CFR Parts 210 and 211, FDA)
    • International Council for Harmonisation (ICH Q7: Good Manufacturing Practice for Active Pharmaceutical Ingredients)
    • European Pharmacopoeia (Ph. Eur.), United States Pharmacopeia (USP) monographs
    • EDQM Certificates of Suitability (CEP) where applicable

    Typical usage ratio

    • 2–10% in compounded formulations; precise proportions depend on target dosage form (oral, topical, or parenteral) and therapeutic strength requirements

    Downstream process integration

    • Material introduced during the primary synthesis and crystallization phase
    • In-process quality testing for content uniformity and purity follows prior to blending with excipients
    • Final blending and tableting, encapsulation, or ampule filling as determined by dosage form

    Final product types

    • Estrogenic API bulk powders
    • Hormone replacement therapy tablets and injectables
    • Estrogen topical creams and gels
    • Gynecological suppositories

    2. Veterinary Hormonal Formulation Manufacturing

    Dienestrol Diacetate is a component in specialized hormonal feeds, veterinary pharmaceutical premixes, and injectable preparations used for livestock reproductive and therapeutic management. This application requires compliance with veterinary drug directives and demonstrated traceability from raw input to finished dose, with integration into validated mixing and filling processes to ensure uniformity and safety throughout the value chain.

    Industry compliance standards

    • VICH GL43: Good Manufacturing Practice for Active Pharmaceutical Ingredients (veterinary)
    • EU Regulation 2019/6 on veterinary medicinal products
    • US FDA 21 CFR Part 225 (Current Good Manufacturing Practice for Medicated Feeds)
    • Veterinary Pharmacopoeias (e.g., BP (Vet), USP Veterinary)

    Typical usage ratio

    • 0.01–0.05% in animal feed premixes; 1–5% in veterinary injectable solutions depending on species and administration form

    Downstream process integration

    • Feed-grade material incorporated during micronized blending steps before pelleting or extruding
    • Liquid form added in solution during aseptic filling process for sterile injectables
    • In-process residue analysis to confirm regulatory compliance for withdrawal periods

    Final product types

    • Veterinary injectable hormone solutions
    • Premixed reproductive support granular feeds for cattle, swine, and sheep
    • Boluses for livestock gynecological treatment

    3. Hormonal Laboratory Reference Standard Production

    Accredited diagnostic and research reagent manufacturers use Dienestrol Diacetate as a reference material for analytical quality control in estrogen assay development. High-purity crystalline inputs are essential to ensure the traceability of hormone quantitation methods and the calibration of ELISA, mass-spectrometry, and chromatographic test kits for clinical and environmental monitoring laboratories.

    Industry compliance standards

    • ISO 17034:2016 (General requirements for the competence of reference material producers)
    • ISO/IEC 17025:2017 (Testing and calibration laboratories)
    • IFCC (International Federation of Clinical Chemistry) reference method protocols

    Typical usage ratio

    • Concentration as reference: 0.01–2 mg/mL in ethanol or methanol; adjusted based on required calibration curve specification

    Downstream process integration

    • Incorporated during the preparation of analytical standards via precision weighing and solvent dissolution
    • Aliquot filling into vial sets for downstream packaging of reference standards or QC controls
    • Lot-specific certificate of analysis verification prior to batch release

    Final product types

    • Calibration reference kits for immunoassay (ELISA) and chromatography systems
    • Analytical QC standards for hormone testing in hospital, forensic, and environmental labs
    • Proficiency testing standards for regulatory laboratory accreditation programs

    4. Medicinal Chemistry Research and Development

    Advanced research facilities, preclinical CROs, and academic institutions source Dienestrol Diacetate as a key scaffold for synthesizing novel estrogen analogues and studying receptor binding mechanisms. Material is required in high-purity, defined particle size, and under documented chain-of-custody to support reproducibility in targeted medicinal chemistry and toxicology workflow setups.

    Industry compliance standards

    • OECD Good Laboratory Practice (GLP) Principles
    • ISO 9001:2015 (Quality Management Systems for R&D services)
    • USP General Chapters <1040> and <1225> for Analytical Procedures and Validation

    Typical usage ratio

    • 1–20 mg per reaction batch in standard synthesis protocols; scale and ratio adjusted to experimental design or pilot batch requirements

    Downstream process integration

    • Integrated at the initial synthetic step as starting material for target molecule production
    • Utilized in in vitro and in vivo screening platforms, downstream purification, and characterization via NMR, MS, or HPLC
    • Material traceability maintained through experimental and documentation chain

    Final product types

    • Custom-synthesized estrogen derivatives
    • Investigational compounds for preclinical development
    • Reference compounds for pharmacological receptor studies
    • Validated controls for toxicological assessment
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    Certification & Compliance
    More Introduction

    Dienestrol Diacetate: Consistent Quality from a Manufacturer’s Perspective

    A Commitment to Purposeful Chemistry

    Dienestrol Diacetate has a long-standing place in synthetic chemistry. This compound, with its distinct ester functionalization, offers a practical approach for research and manufacturing environments that rely on precise molecular behavior. As those who oversee every stage of production—from raw material selection to final packaging—our perspective is shaped by thousands of hours spent refining processes, scrutinizing analytical data, and collaborating with technical users. This hands-on background lets us see not just the functional aspects of dienestrol diacetate, but also its role and value in a wider context.

    Model and Physical Specifications

    Our production focuses on a model designed for reliability and reproducibility. Dienestrol Diacetate comes as a white to off-white crystalline powder, with a melting point consistently maintained within the range established by pharmacopeial references. Every lot receives close individual analysis through HPLC and GC methodologies developed in house, with validation against external standards to ensure purity reaches defined thresholds established by regulation and end-user feedback.

    By controlling solvent selection and temperature profiles during synthesis, we minimize isomer content and residual solvents. Moisture content and particle size distribution, often mentioned by end-users in their feedback, are monitored through routine Karl Fischer titration and sieve fractionation. These steps are not left to downstream partners; they are handled directly by our own technicians and chemists, many of whom have contributed personal improvements to each step over years of continuous refinement. We continue to invest in NMR, FTIR, and mass spectrometry instrumentation, recognizing that detailed data and batch traceability help our customers meet rigorous quality expectations.

    Application Contexts

    The main uses of Dienestrol Diacetate arise in academic and industrial synthesis environments. Its utility stems from the stability provided by the diacetate protecting groups, which allow safe handling and controlled reaction when selective deprotection is desired. Researchers often favor the diacetate form over the base compound due to its ease of solid-state storage and improved shelf life, backed up by our own observation of comparative stability trends over multi-year batch monitoring.

    In the pharmaceutical sector, requests often call for bulk lots meeting both compendial and research grades, driven by pilot-scale reactions and structural analog work. Laboratories appreciate the lower reactivity towards hydrolysis under standard storage compared to non-acylated analogs. Transition metal-catalyzed reactions, which have become more common in the last decade, show better selectivity and yield profiles when starting with an esterified form, and we have collaborated with several groups to fine-tune parameters that affect these outcomes.

    Agrochemical and specialty material researchers contact us for custom packaging, sample sizes, and documentation support, often needing flexibility as project requirements evolve. A clear advantage comes from working with a manufacturer—not a distributor—whose technical staff understands both the practical issues and the theory behind compound behavior.

    Practical Differences Compared to Other Compounds

    Years of direct interaction with both commercial and academic researchers has brought feedback about the nuanced differences between Dienestrol Diacetate and related products. Take, as a comparison, dienestrol base or the monoacetate ester: While the unsubstituted version offers certain reactivity perks for rapid reactions, users often report unpredictable degradation under ambient and humid conditions. We learned early that the diacetate form, with its dual protection, carries a lower risk of decomposition during storage and transportation—a key factor for companies shipping globally or storing significant reserves.

    Synthesis researchers point out another distinction. Monoesters, often produced as intermediates, present purification headaches and present spot-inconsistency in melting points. In contrast, our tightly controlled diacetate model survives recrystallization and drying with reproducible characteristics. This reliability matters in process scale-up, where minor fluctuations cascade into yield loss and downstream complications. We redirect considerable attention at preventing batch variability, knowing that a failed reaction wastes time, labor, and raw materials.

    Some new clients expect all dienestrol derivatives to behave the same way in catalysis or bioconjugation. Experience says otherwise. The full diacetate shields both phenolic hydroxyls, which can be selectively removed in stepwise protocols. Having control over this transformation gives chemists flexibility when building analogs or linking molecules. The base version, lacking this dual protection, limits that flexibility and increases the chance of unintended byproducts.

    From an analytical perspective, we see distinctive UV absorption spectra and chromatographic retention that permit easy tracking of the diacetate. This benefit, while sometimes taken for granted, earns high praise from QC leaders fed up with ambiguous peaks. By gathering direct feedback and monitoring our own data, we adjust purification and analytical calibration each year to reduce carryover and sharpen product identity.

    Practical Quality Management—Avoiding Guesswork

    Producing Dienestrol Diacetate in-house brings certain challenges and responsibilities. Over the years, common pain points have become familiar: incomplete reactions, color formation, off-odors, or solvent entrapment. Broadening our staff’s understanding of root causes and deploying failure mode analysis keeps us ahead of such issues. In response to stability complaints, we adopted barrier packaging and vacuum sealing. Shipments arriving after lengthy customs inspections consistently pass retest protocols, supported by stability results collected under ICH guidelines.

    Inventory management becomes a different game for a chemical manufacturer than for brokerage houses. In most trading scenarios, expiry dates and chain-of-custody detail lose visibility at each transfer. Our approach, maintaining detailed batch records and environmental logs, reduces risk for researchers and procurement teams. This practice aligns not just with compliance demands but with our practical goal: ensuring customers receive a product that behaves the same way in every run, every time.

    It’s tempting to claim consistent results out of habit, but the issue rests more on staff vigilance and process discipline than on declarations. A misstep during acetylation, quenching, or washing creates feedback loops. We take shifts discussing these challenges openly—frontline operators, R&D chemists, and quality managers learning from each other’s oversight and improvement suggestions. Customers have acknowledged the difference in technical support and root cause resolution when they’re working with the actual manufacturing team.

    Handling Requests for Purity and Customized Approaches

    End-users’ requests shape the course we take with Dienestrol Diacetate. Research groups want the option of small or large pack sizes. Regulatory projects demand letters of conformance and reference datasets. Agricultural sector users, often looking to incorporate the product into formulations or custom synthetic paths, call for custom solution concentrations. Traditional resellers shy away from small runs or customized blends—these pressures highlight the strength that comes from manufacturing expertise. We take pride in balancing efficiency with flexibility, providing both catalogue and made-to-order services.

    Some weeks, projects require greater than 99% purity—reached through careful fractionation and multiple chromatographic passes. Other teams focus on process economy and prefer 97–98% purities, provided the impurity spectrum remains well characterized—again, gathered through transparent communication and direct analytical work, tracked through the batch records. Adaptability means more than just altering process variables: it involves listening to niche requirements from diverse industries and problem-solving in real time, which can only happen at a manufacturer’s bench.

    Supporting Long-Term Research and Analytical Consistency

    Many chemical users find their projects extended over years, needing reorders that precisely match the initial batch quality. These research cycles, aiming for publication or scale-up, depend on batch consistency. We keep both archival data and retained samples, regularly referenced for side-by-side comparisons, which alleviates concerns about drift in melting point, elemental analysis, or residual solvent values. Archived materials backstop the need for requalification if funding cycles or regulatory needs delay use. Chemical manufacturers, with access to all process and analytical levers, are uniquely positioned to honor these commitments.

    This focus distinguishes our offering from those pressed by resellers sourcing from different manufacturers year to year. Feedback from long-term partners suggests that easy access to previous batch analytics and in-depth discussion of observed differences saves time spent troubleshooting. High-resolution data and regular self-audits build mutual trust between our team and the teams who use these materials in applications ranging from structural analog development to pharmacological screening.

    Improvements and Sustainability in Production

    Looking at the synthesis behind Dienestrol Diacetate, most research on process improvements has centered on yield and energy savings. Through direct control of raw material supply and reaction parameter monitoring, we have made shifts toward lower-waste filtration and solvent recycling systems. Where older methods used excess acetylating agent and generated problematic side products, our updated protocols now employ tighter stoichiometry and catalyst selection, trimming both environmental footprint and isolation time.

    Technicians on the plant floor often spot ways to eliminate unnecessary steps or tweak operational settings before inefficiencies take hold. Our tradition encourages these observations—some of our best process control changes began as an operator’s note tucked into a batch sheet. Safe handling, minimized exposure, and ergonomic changes for drum charging and cleaning have all come about through this continuous improvement mindset.

    Customers increasingly ask about green chemistry and lifecycle analysis. In recent years, we have moved towards biobased reagents and closed-loop solvent recovery, with pilot studies showing both cost and waste reduction payback. These incremental changes yield real results once scaled across annual production, and they set a framework for compliance with future environmental directives and changing regulations.

    Compliance and Trust—Building on Experience

    Production of Dienestrol Diacetate must anticipate future regulatory developments, not merely respond to them. Increased attention from authorities highlights the need to document trace contaminants, record personnel training, and preserve transparency with customers. Our compliance team tracks changes in chemical management, hazardous substance registration, and technical documentation so that customers downstream stay prepared for audits and inspections.

    Occupational exposure standards and safety data demand constant verification and communication. Our on-staff chemists take part in regulatory workshops and stay current on new classification systems for chemical hazards. This ongoing project ensures batch documentation remains current, risk communications are meaningful, and our response to inquiries draws upon firsthand production knowledge, not approximated answers or after-the-fact research.

    Several long-term partnerships have developed because purchasing teams and technical leaders see the difference when questions reach the manufacturing floor. Regulatory compliance is not just about forms and certificates—it is about creating real accountability, learning from both successes and shortfalls, and using past experiences to guide responsible future practice.

    Responding Directly to Evolving Industry Needs

    Real-world questions rarely emerge as hypothetical scenarios. Over recent years, users in pharmaceutical, agricultural, and research settings have increased requests for transparency in supply chain, shorter lead times, and up-to-date technical support. Working as both producer and technical support, we take ownership of these needs with full access to batch process records, plant operations details, and analytical archives. This access gives us the ability to troubleshoot, optimize, and offer informed guidance tailored to specific challenges.

    One frequent scenario involves requests for targeted documentation or reference data for regulatory submissions. Since process and analytical details are controlled within the same team, this type of communication unfolds seamlessly; analysts and technical writers interact directly with plant operators and synthesis specialists, cutting response times and reducing the chance for error. Customers report benefiting from this streamlined process, especially during complex project reviews or in settings where delays can put projects on hold.

    Order customization and shipment planning form another recurring theme of communication. The ability to handle bespoke requests for lot sizes, certificate formats, and transport options comes from direct involvement in every production and logistic step. Teams further down the supply chain value this flexibility, knowing they interact with the actual origin of their material.

    Continuity and Forward Outlook in Production

    Long-term focus on Dienestrol Diacetate keeps our technical team vigilant and adaptable. Rising standards in product analysis, environmental impact, and user-driven customization have required investments in both people and infrastructure. The stability and predictability of our output result from consistent training, staff retention, and experience-based process improvements. We continue to measure, adapt, and document every aspect of production and analysis, drawing from our history as a manufacturer responsible for both large and small scale needs.

    Collaborations with academic groups and commercial partners keep us engaged with frontline developments in application and process optimization. Feedback loops between users and the production team feed back into iterative improvements. In the changing landscape of synthetic and research markets, this engagement supports long-term partnerships and security of supply for users of Dienestrol Diacetate.

    As global trends drive new testing standards and end-use requirements, our experience allows us to respond to technical queries, adapt production systems, and refine management of both raw materials and finished product inventory. Years spent producing and improving this compound confirm that attention to detail, open communication, and strong technical understanding offer the best assurance of value to those who depend on reliable chemistry.