Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing sales7@sinochem-nanjing.com 3389378665@qq.com
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Norgestrel

    • Product Name Norgestrel
    • Alias Levonorgestrel
    • Einecs 200-673-1
    • Mininmum Order 1 g
    • Factory Site Tengfei Creation Center,55 Jiangjun Avenue, Jiangning District,Nanjing
    • Price Inquiry sales7@sinochem-nanjing.com
    • Manufacturer Sinochem Nanjing Corporation
    • CONTACT NOW
    VTB
    Specifications

    HS Code

    100841

    Name Norgestrel
    Chemical Formula C21H28O2
    Molecular Weight 312.45 g/mol
    Drug Class Progestin
    Use Hormonal contraceptive
    Route Of Administration Oral
    Atc Code G03AC03
    Cas Number 6533-00-2
    Bioavailability 96%
    Metabolism Hepatic
    Elimination Half Life 12–30 hours
    Protein Binding 97–99%
    Legal Status Prescription only
    Mechanism Of Action Progesterone receptor agonist

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

    Packing & Storage
    Packing The packaging for Norgestrel contains 25 grams, sealed in an amber glass bottle with a tamper-evident cap and detailed labeling.
    Shipping Norgestrel should be shipped in tightly sealed containers, protected from light and moisture. It is typically classified as a non-hazardous material, but care should be taken to avoid extreme temperatures. Follow standard regulations for shipping pharmaceuticals, including clear labeling and documentation. Ensure compliance with local and international transportation guidelines.
    Storage Norgestrel should be stored in a tightly closed container at room temperature, typically between 20°C to 25°C (68°F to 77°F), away from moisture, heat, and direct light. It should be kept out of reach of children and incompatible materials, such as strong oxidizers. Ensure storage in a secure, well-ventilated area to maintain its stability and efficacy.
    Application of Norgestrel

    Applications of Norgestrel in Industrial Manufacturing

    Norgestrel serves as a critical raw material across several tightly regulated pharmaceutical manufacturing chains. As the producer, we address the stringent quality, consistency, and regulatory needs of each market segment where our material is applied. The following key downstream application scenarios illustrate practical industrial uses, compliant integration into formulations, and requirements faced by our partners.

    1. Combined Oral Contraceptive Production

    In contraceptive tablet manufacturing, finished product consistency deeply depends on the controlled integration of Norgestrel as an active pharmaceutical ingredient (API). Large-scale tablet producers combine Norgestrel with estrogens such as ethinylestradiol in calibrated ratios, subjected to validated granulation and tableting systems under cGMP environments. Manufacturers monitor incoming API by HPLC and pharmacopoeia-specified assays, controlling process variables to maintain reproducible bioavailability and batch uniformity. Each production batch is subject to strict analytical release and regulatory review before shipment.

    Industry compliance standards

    • US FDA 21 CFR 210/211 for cGMP drug production
    • European Pharmacopoeia (Ph. Eur.) assay and purity monographs
    • USP Monograph for Norgestrel and final tablet formulations
    • ICH Q7A guidelines for API manufacturing

    Typical usage ratio

    • 0.075 mg to 0.3 mg Norgestrel per tablet, adjusted to formulation requirements
    • Combination with 0.03 to 0.035 mg ethinylestradiol per tablet standard
    • Ratio determined via bioequivalence and PK studies for regulatory submission
    • Batch scaling follows approved pharmaceutical dossier ranges

    Downstream process integration

    • Norgestrel introduced post-micronization, with blending in high-shear granulator
    • In-line spectral analysis to confirm uniformity before compression
    • Formulation blended with excipients such as lactose and microcrystalline cellulose
    • Granulation, tableting, coating, and blister packing all under validated systems

    Final product types

    • Monophasic contraceptive tablets (combined with estrogen)
    • Triphasic oral contraceptive packs
    • Private-label and branded contraceptive pill brands
    • Regulatory-approved reference oral contraceptive products

    2. Progestin-Only Emergency Contraceptive Manufacturing

    Formulators use Norgestrel as the key progestin component for high-dose emergency contraceptive pills. The API must conform to strict impurity and residual solvent specifications, as mandated by health authorities. Production focuses on rapid tablet disintegration and high stability during shelf life. Rigorous process control underlies granulation, tableting, and blistering—ensuring the high-dose unit delivers consistent pharmacokinetic profiles per authorities’ post-marketing surveillance. Routine process validation and robust quality assurance documentation are essential.

    Industry compliance standards

    • WHO Prequalification for emergency contraceptive APIs
    • US FDA cGMP for solid oral dosage forms
    • EMA guidelines on uniformity of dosage units
    • ICH Q3A/B for impurity and residual solvent control

    Typical usage ratio

    • Typically 0.75 mg per tablet, single or double dose regimen
    • Formulation may vary based on bioequivalence to reference listed drug
    • Excipient loading ranges 25-80% based on disintegration profiling
    • Adjustments for local registration dossier requirements

    Downstream process integration

    • Norgestrel incorporated after API sieving and pre-blending
    • Direct compression or wet granulation, based on dissolution specification
    • In-process control for content uniformity and tablet weight variation
    • Final blister packaging under humidity and temperature monitoring

    Final product types

    • Progestin-only emergency contraceptive tablets (single and two-tab packs)
    • Public health program kits for distribution
    • Pharmacy over-the-counter branded generics
    • Government-registered essential medicine packs for NGOs/aid distribution

    3. Progestin-Based Hormone Replacement Therapy (HRT)

    In the formulation of menopausal HRT, downstream manufacturers rely on Norgestrel for its predictable hormonal activity, integrating it with estrogenic compounds. Strict adherence to multi-country pharmacopoeial standards is vital for regulatory submissions. Production involves pre-formulation studies to optimize particle size and dissolution, given the critical impact on therapeutic equivalence. Downstream processes must ensure stability within fixed-dose combination tablets or multi-layered oral forms, with full traceability from API lot to patient unit. Shelf-life stability and photostability testing form part of the finished product registration.

    Industry compliance standards

    • European Pharmacopoeia and USP monographs for fixed combination HRTs
    • Directive 2001/83/EC (EU Medicinal Product regulation)
    • FDA 21 CFR Part 211 cGMP for oral HRT manufacture
    • CPMP/EWP/553/95 Guideline for bioequivalence

    Typical usage ratio

    • Range: 0.15–0.3 mg per tablet, titrated based on clinical outcomes
    • Often combined with 0.625 mg conjugated estrogens or micronized estradiol
    • Dosage adjustment according to Phase III clinical data and market
    • Patient dosing supported by pharmacokinetic bridging studies

    Downstream process integration

    • Norgestrel micronization pre-blending with estrogen fraction
    • Continuous blending prior to tablet compression or film coating
    • Final dosage forms undergo stability chambers for accelerated and real-time testing
    • Every finished lot documented for backward and forward traceability

    Final product types

    • Fixed-dose combination HRT tablets
    • Layered oral formulations (multi-phase release)
    • Reimbursable or prescription-only HRT branded packs
    • Hospital supply oral HRT regimens

    4. Veterinary Reproductive Health Solutions

    Within the veterinary pharmaceutical market, Norgestrel plays a targeted role as a component in reproductive control drugs for companion and livestock species. Industrial-scale veterinary drug producers demand rapid dissolution grades and controlled particle distribution, meeting veterinary GMP/GLP standards. Raw material entry into premix or matrix systems supports synchronization protocols for breeding herds and animal population management. Analytical support addresses residue maximum limits in food animals, and every processing step is closely aligned with animal health regulatory frameworks.

    Industry compliance standards

    • VICH GL23 (GMP for veterinary pharmaceutical products)
    • US FDA CVM guidance for animal drug production
    • European Directorate for the Quality of Medicines (EDQM) standards for veterinary products
    • Maximum residue limits (MRL) per Codex Alimentarius Commission / EMEA

    Typical usage ratio

    • Therapeutic dosing: 5–30 μg/kg body weight in tablets/pellets
    • Adjustments according to species, breed, and route of administration (oral vs implant)
    • Premix matrix levels based on field trial outcomes and national directives
    • All final concentrations subject to regulatory review per market

    Downstream process integration

    • Micronized API introduction during veterinary premix blending
    • Compaction or pelletizing depending on method of delivery
    • Routine batch release tests for identity and dissolution
    • Residue testing protocol for food-producing animals to ensure legal MRL compliance

    Final product types

    • Oral veterinary tablets for canine and feline use
    • Synchronization pellets/implants for livestock (bovine, porcine)
    • Anestrus control medicines for companion animals
    • Sterility management nutritional blocks in animal husbandry
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    Certification & Compliance
    More Introduction

    Norgestrel: A Manufacturer’s Perspective on Quality and Reliability

    Our Approach to Norgestrel Production

    Our facility has produced Norgestrel for decades, developing the process to achieve consistent purity and reliable supply. Norgestrel plays a key role as a synthetic progestin, which stands at the core of many oral contraceptives and hormone replacement therapies. Every batch begins with carefully sourced raw materials, selected for chemical profile and traceability. Process controls put an emphasis on temperature management, solvent purity, and reaction time. In production, avoiding contamination is zero-tolerance — even slight solvent impurities can compromise the final product’s stability and bioactivity. In hormone manufacturing, meticulous control is not a luxury, but a basic standard.

    Experience teaches us that Norgestrel’s regulatory journey is just as challenging as its synthesis. Quality cannot be separated from compliance. We conduct thorough analysis at every stage: from input materials, through intermediates, down to the packaged final product. Chromatography spots trace-level byproducts. Heavy metal assays and residual solvent testing run in parallel with routine purity checks. Our records must be airtight, always ready for regulatory scrutiny. This constant documentation becomes the backbone for our guarantees to clients and partners.

    Specifications and Standardization

    We manufacture Norgestrel in the form of a white to off-white crystalline powder. Our typical lot specifications are set at 99.5% minimum purity, with loss-on-drying and individual impurity levels monitored by validated HPLC and titrimetric methods. Most years, lot variance never exceeds a narrow band. We avoid vague guarantees. Instead, data from each batch give us—and by extension, our clients—hard facts.

    Moisture content, polymorphic form, and particle sizing impact downstream formulation and shelf life. The pharmacopoeial standards, such as the USP and EP, set goals for purity, but not all Norgestrel in the market meets these marks. The difference often comes from diligence in crystallization, washing, and drying. Residual solvents left behind during final drying stages may alter how well the active ingredient binds or dissolves in tablet-form drugs. High-performance liquid chromatography has shown that even seemingly clean batches, if not fully optimized, can carry impurities that risk not just regulatory rejection but patient safety.

    What Sets Our Norgestrel Apart

    Many players offer Norgestrel on the open market. Some focus on volume, turning out large batches with limited oversight. We take a different approach: test, retest, and only release when the data meet our own historical benchmarks. This discipline has built us a record of customer retention that few in our field can match. When adverse events in the contraceptive market hit headlines, they almost always trace back to raw material or process control failures—as a direct manufacturer, we have a vested interest in avoiding such headlines.

    Differences between manufacturers can be subtle but important. Absence of certain impurities such as 13-Ethyl-17-alpha-ethynylgon-4-en-3-one or misidentified stereochemistry may not show up immediately in a finished formulation, but can affect the stability and ultimate performance of a drug. Small variations in crystalline structure can change dissolution rates, producing unpredictability in oral dosing, especially in low-dose contraceptive pills. We run detailed impurity profiling using LC-MS because years in the industry have taught us that shortcuts always find a way to the surface sooner or later.

    Usage in Pharmaceutical Applications

    Pharmaceutical innovators push for formulations that offer lower hormone doses with predictable release and absorption. In this context, a manufacturer’s product reputation is always on the line. Every company making oral contraceptives, emergency contraception, and certain postmenopausal therapies depends upon a supply of reliable, certified-pure Norgestrel. Beyond contraceptive pills, Norgestrel finds limited use in veterinary hormone regulation, particularly in controlling estrus cycles for livestock. The required regulatory diligence in animal health rivals any demands found in the human pharmaceutical sector.

    Norgestrel as an active pharmaceutical ingredient supports countless women in family planning and reproductive medicine. It’s not just another commodity—every lot can impact human health. A formulation scientist depends on a consistent active pharmaceutical ingredient profile so that tablet hardness, dissolution, and bioavailability data from the lab translate to real-world experience. Years of direct feedback from major innovators and generic drug manufacturers tell us that the smallest deviations in input quality mean months lost in formulation or, worse, clinical trial setbacks.

    Purity and Impurity Challenges

    Getting Norgestrel right means more than just hitting a purity target. Impurities matter. Even a trace (<0.1%) of unknowns detected in the finished batch can force a full recall under some regulatory bodies. During synthesis, the risk of side-product formation rises if process steps go unchecked—especially during the final hydrolysis and isomerization. Many commercial producers claim high yields but do not routinely perform full mass spec impurity profiling.

    Downstream DNA can be altered through the effect of hormone-mimicking impurities, which is particularly concerning for pediatric and long-term contraceptive use. The market is well aware of these risks. Our process incorporates repeated analyses: HPLC to profile known and unknown impurities, GC for residual solvents, and cross-reference with reference standards. By handling every step in-house, we hold direct accountability. End-users—whether a major multinational or a specialist compounding pharmacy—know whom to hold responsible.

    Supply Chain Pressures and Sourcing Transparency

    Norgestrel’s supply chain faces frequent pressure from raw material price spikes and fluctuations in regulatory policy around controlled substances. Sourcing intermediates with full documentation avoids surprise supply halts and batch rejections for regulatory gaps. We work from a stable base of long-term suppliers, some relationships now spanning over a decade, verified by on-site audits and ongoing performance reviews.

    Raw materials are all tracked and archived for traceability. We keep batch records available for inspection beyond statutory minimums. The drug substance market saw shortages in the past years, mainly from over-reliance on a handful of suppliers and offshore intermediates. By controlling as much of our process as practical, we insulate our customers from sudden disruptions.

    Manufacturing Technology and Process Refinement

    Continuous investment keeps our process robust. We rely on both classic synthetic chemistry and modern automation. Our reactors incorporate automated controls for temperature and pH, as these variables directly affect reaction completeness and stereochemistry. Experienced operators monitor every run, as manual intervention—guided by years of hands-on knowledge—sometimes outperforms any algorithm.

    Through pilot studies and repeated analysis, we find incremental process improvements each year. Lowering solvent consumption, cutting reaction times while keeping yield and purity steady, and optimizing energy inputs all benefit customers over the long term. Waste handling is another area we take seriously. We use in-process controls to minimize hazardous byproduct formation and close-loop solvent recovery systems to limit our environmental footprint. Regulators now expect far more than theoretical compliance; every detail must pass inspection.

    Packaging, Handling, and Stability

    Norgestrel demands careful packaging and storage. We use moisture-impermeable containers, inert gas blanketing, and, based on historical temperature-sensitivity studies, keep warehoused material in controlled environments. We never mix batches, as trace contamination can alter release profiles in sensitive applications. Finished lots come with full analysis certificates covering every detail pharmacopeias require—and then some. Storage protocols and shelf-life studies draw on over 20 years of real performance data.

    Transportation is similarly controlled, with regular training for shipping staff and pre-approved carriers. Cold chain logistics might seem a minor step for some products, but for Norgestrel, failing to keep to validated storage temperatures can mean loss of potency and non-uniform performance in final formulation. Once, years ago, one container sat on a tarmac in the summer sun during a customs strike—resulting in entire batch write-off. Such mistakes are always costly and always preventable.

    Differences Between Norgestrel and Related Molecules

    Clients occasionally ask about the difference between our Norgestrel and other common progestins, such as levonorgestrel or norethisterone. Norgestrel is a racemic mixture, with only one isomer—levonorgestrel—showing most of the clinical activity. Some innovators formulate with only the active isomer, but broad applications still utilize pure Norgestrel owing to its robust safety profile and established regulatory track record. As manufacturers, we have tested both approaches and can speak to the real consequences for formulation complexity and regulatory pathways.

    Norethisterone and desogestrel, for example, differ in their side chains and overall potency but also in the impurity challenges they present to the formulator. Norgestrel’s risk profile is well understood. When comparing, labs find that both the practical stability and ease of tableting favor Norgestrel, particularly in multi-source, high-volume settings like public health programs. Our experience producing, qualifying, and supporting both racemic and isomerically pure forms helps clients select the proper product for their unique application.

    Meeting Client Needs and Supporting the Industry

    Our direct relationships with pharmaceutical companies, research institutes, and regulatory agencies allow us to understand and react to market needs rapidly. We field questions about documentation, impurity profiles, batch consistency, and regulatory acceptance every week. Open communication has proven essential. When regulatory agencies demand a re-analysis or new method validation, we respond by opening our records, running confirmatory tests, and, if needed, modifying protocols. Rapid adaptation keeps our partners competitive—and keeps patients safe.

    Companies considering Norgestrel for new formulations rely on our openness about the underlying chemistry and any limitations in product use. Drug discovery is faster when the active ingredient comes with full documentation and experienced technical support. We provide long-term stability data, impurity fate studies, and scale-up support, all based on requests from the field over the years. There is no substitute for lived experience in addressing novel formulation issues that may arise.

    Continued Evolution and Industry Responsibility

    As new contraceptive technologies and therapies reach the market, we update our synthesis methods and quality control protocols, always aiming to decrease risk and lower the environmental burden of production. At every stage, we recognize the direct impact our Norgestrel can have on millions of lives. Sustainability and regulatory compliance are not just slogans; they are requirements from regulators, customers, and society at large.

    We see a future where tighter impurity controls and sustainable sourcing set the leaders apart. Environmental audits and ongoing research into process intensification make for a safer, cleaner industry. Investment in modern analytical instruments, staff training that never lags behind, and transparent communication with every stakeholder allow us to keep pace with global health needs. These actions build longevity and trust far better than marketing words.

    Summary: The Manufacturer’s Commitment

    Years producing Norgestrel show that the margin for error is slim. Trust builds not from price but from performance, batch after batch. Every kilogram represents a pledge to patients and our partners to never cut corners. Clients come to us not just for the API, but for the assurance that every step of our process, from arrival of starting materials to final shipment, stands up to scrutiny, meets every published standard, and takes the health of end users seriously.