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Home > Active Pharmaceutical Ingredients > Antibiotics > Methenolone enanthate for Sale > 99% High purity Methenolone enanthate 303-42-4
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99% High purity Methenolone enanthate 303-42-4

108 Inquiries

Unit Price: Get Latest Price
CAS No.:

303-42-4

Grade:

Pharmaceutical Grade

Content:

99%

Port:

SHANGHAI

Brand:

HyperChem

Packaging:

Aluminum foil bag

Price valid (until):

2025-08-18

Company Type:
Trader
Location:
China
Qualification:
Main Products:

Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

  • Product Description

  • Seller Information

  • Inquiry History

  • Description

    Name

    Methenolone enanthate

    CAS number

    303-42-4

    Description

    Primobolan enanthate is a protein anabolic hormone widely used in postoperative rehabilitation and promoting metabolism. It can also prevent symptoms such as osteoporosis. It can be prepared from Primobolan through acylation reaction.

    Structural formula

    Shop 99% High purity Methenolone enanthate 303-42-4-Detailed Image 1

    Molecular Formula

    C27H42O3

    Molecular Weight

    414.62 g/mol

    Appearance

    White powder

    Quality Standard

    99%

    Storage Condition

    Cool dry place( away from the light)

    Shelf Life

    >2 years if stored properly

    Sample package

    Aluminium foil bag

    Commercial package

    Aluminium Tin, Fiber drum

    Origin

    China

    Methenolone enanthate More Info

    Methenolone enanthate (CAS No. 303-42-4) is a synthetic anabolic-androgenic steroid (AAS) derived from dihydrotestosterone (DHT). It is the esterified form of methenolone, with the enanthate ester prolonging its release and activity in the body. Known for its mild androgenic effects and moderate anabolic properties, it is often favored for its lower risk of estrogenic side effects, such as water retention or gynecomastia, due to its inability to aromatize. Methenolone enanthate is commonly used in both medical and performance-enhancing contexts, offering a balance between muscle growth and reduced toxicity.

     



    Uses


    Methenolone enanthate is primarily used for muscle preservation and lean tissue growth. In clinical settings, it has been employed to treat muscle-wasting conditions, osteoporosis, and anemia due to its ability to stimulate protein synthesis and red blood cell production. Among athletes and bodybuilders, it is valued for its ability to promote steady, quality muscle gains without excessive water retention, making it ideal for cutting cycles. Additionally, its mild nature makes it suitable for longer-term use compared to more potent steroids, though it is often stacked with other compounds for enhanced effects.

     



    Applications


    In bodybuilding, methenolone enanthate is typically administered via intramuscular injection, with doses ranging from 200–400 mg per week for men and 50–100 mg per week for women, though female use carries a risk of virilization. Its slow-release ester ensures stable blood levels, requiring less frequent injections (usually once per week). It is commonly combined with compounds like testosterone or trenbolone for bulking, or with cutting agents like stanozolol for fat loss. Outside performance enhancement, it has been explored in veterinary medicine to improve muscle mass in debilitated animals, though its human medical use has declined due to stricter regulations.

     



    Precautions


    While methenolone enanthate is considered milder than many steroids, it still carries risks, including androgenic effects like acne, hair loss, and prostate enlargement in predisposed individuals. Women may experience virilization symptoms (e.g., voice deepening, clitoral enlargement) even at low doses. Hepatotoxicity is rare but possible with prolonged use. Post-cycle therapy (PCT) is recommended to restore natural hormone levels after discontinuation. Due to its status as a controlled substance in many countries, non-medical use may carry legal consequences. Always consult a healthcare professional before use, and monitor cholesterol, liver enzymes, and hormonal balance during cycles.


    FAQ

    Q1. Can I get a free sample?

    We can send you a samll free sample, and you only need to pay for the shipping cost.


    Q2. What is the HyperChem payment term?

    T/T in advance
    LC at sight
    DP at sight

    Bank transfer

    PayPal

    Bitcoin...


    Q3. What is HyperChem shipment policy?

    Our policy is to strive for the quickest shipment time possible.

    For ready stock samples, they are usually shipped within 3 working days after payment received.
    For non-ready stock, please contact HyperChem sales team to negotiate.


    Q4. What is HyperChem shipment term?

    By Express  
    FedEx  UPS  DHL  EMS                               
    Fast: 3-7 days around, high cost, door to door service

    By Air                                        
    Suitable for more than 50kg 
    Fast: 3-7 days, hight cost, port to port, professional broker needed 

    By Sea
    Suitable for more than 500kg      
    Fast: 7-45 days, low cost, port to port, professional broker needed 


    We will always attempt to utilize the quickest and most affordable way for customers to receive orders. And follow -up with customers via email for all shipment details as well as updated track information until it arrives without damage.


    Q5. What HyperChem will provide after shipment?

    For sample orders: 
    After shipment is done, an timely email including:

    1. Track details (Fedex /TNT/DHL/EMS Track number)
    2. Packaging photo
    3. COA, MSDS, etc
    4. Dispatch date & Estimated arriving time
    5. Shipping invoice

    For commercial orders
    A full set of shipment documents as well as package photos can be provided in scan-copy and original, to help customers complete the customs clearance process.



    Company Profile

    Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to cater to the requirements of our diverse range of clients.


    Among them, our key client industrial sectors around the global are:

    Pharmaceuticals
    Nutrition Ingredients/ Dietary supplements
    Cosmetic Ingredients
    Food Ingredients
    Veterinary API
    Agriculture fertilizer
    Custom Synthesis lab supply


    HyperChem provides to its wonderful and honorable clients comprehensive purchasing and distribution services which ensure that we are delivering the right generic, raw, or customized product, make sure that we are delivering it at the right time, ensure that it is delivered in the specified amount, and in the right kind of packaging to clients and customers of all types of industries irrespective of their size of operation.




    Basic Info
    Product Name:

    Methenolone enanthate

    Other Name:

    Androst-1-en-3-one,1-methyl-17-[(1-oxoheptyl)oxy]-,(5α,17β)-;5α-Androst-1-en-3-one,17β-hydroxy-1-methyl-,heptanoate;(5α,17β)-1-Methyl-17-[(1-oxoheptyl)oxy]androst-1-en-3-one;SH 601;SQ 16374;17β-Hydroxy-1-methyl-5α-androst-1-en-3-one 17β-enanthate;17β-Hydroxy-1-methyl-5α-androst-1-en-3-one heptanoate;Methenolone enanthate;Primobolan Depot;1-Methyl-Δ1-androsten-17β-ol-3-one enanthate;1-Methyl-17β-hydroxy-5α-androst-1-en-3-one enanthate;Metenolone enanthate;NSC 64967;Primonabol Depot;Methenolone 17-enanthate

    CAS No.:

    303-42-4

    Molecular Formula:

    C27H42O3

    InChIKeys:

    InChIKey=TXUICONDJPYNPY-FRXWOFFRSA-N

    Molecular Weight:

    414.62

    Exact Mass:

    414.62

    EC Number:

    206-141-6

    UNII:

    0SPD480WFH

    DEA Code Number:

    4000

    NSC Number:

    64967

    DSSTox ID:

    DTXSID7046754

    Categories:

    Antibiotics

    Characteristics
    PSA:

    43.4

    XLogP3:

    6.9

    Density:

    1.05±0.1 g/cm3(Predicted)

    Melting Point:

    70-70.5 °C

    Boiling Point:

    504.3ºC at 760 mmHg

    Flash Point:

    213.1ºC

    Refractive Index:

    1.525

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Carcinogenicity, Category 2

    Reproductive toxicity, Category 1A

    Reproductive toxicity, Additional category for effects on or via lactation

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Danger

    Hazard statement(s)

    H302 Harmful if swallowed

    H351 Suspected of causing cancer

    H360 May damage fertility or the unborn child

    H362 May cause harm to breast-fed children

    Precautionary statement(s)
    Prevention

    P264 Wash ... thoroughly after handling.

    P270 Do not eat, drink or smoke when using this product.

    P203 Obtain, read and follow all safety instructions before use.

    P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

    P260 Do not breathe dust/fume/gas/mist/vapours/spray.

    P263 Avoid contact during pregnancy and while nursing.

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P318 IF exposed or concerned, get medical advice.

    Storage

    P405 Store locked up.

    Disposal

    P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

    Other hazards which do not result in classification

    no data available

    Handling and Storage

    Precautions for safe handling

    Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

    Conditions for safe storage, including any incompatibilities

    Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.

  • Seller Information
    Business Type:

    Trader

    Main Products:

    Pharmaceuticals,Peptide,Cosmetics,Nutritional Supplements

    Location:

    Rm. 803, Tower 4, LOFT49 Creative City Pioneer Zone, No.88 Jiru Rd. Gongshu Dist., Hangzhou, 310015 ZJ, China

    Payment Terms:

    TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

    Average lead Time:

    10

    Total Annual Revenue:

    $5 million-$10 million

    Total Employees:

    11-50

    Year of Establishment:

    2013

    Certifications:

    Certification Report by Bureau Veritas

    About HyperChem

    Established in 2013, Hyper Chem has exclusive tie-ups with leading manufacturers, supplying raw materials produced in GMP and ISO 9002 certified facilities, and provides high-quality ingredients and raw materials to meet the needs of a diverse range of pharmaceutical cosmetics ingredients and nootropic supplements companies worldwide.

    Our Competitiveness

    One-stop supply

    Wide Range Of products including pharmaceutical, Cosmetic Ingredients and nootropic supplements

    Among all the pharmaceuticals,

    90% of them with GMP certificates,

    85% of them with DMF files and

    50% of them passed FDA approval,

    30% get CEP certificate

    20% are new R&D products.

    Custom Repackaging Service


    We can efficiently repackage your material into sample sizes, custom batch-specific sizes, or semi-bulk package sizes according to your specifications. And ensures the product is packaged in a quality-controlled environment and will maintain its integrity throughout every stage of the process.

    Quality Control/Quality Assurance


    HyperChem is committed to delivering on its promises of top-quality products with verified quality data.

    All materials are vigorously inspected by the factory and/or outsourced analytical laboratories to ensure each and every lot meets or exceeds our reference standards.

    Trade assurance service with 100% payment protection, It is best achieved by delivering products and services 100% right the first time, on time, every time.

    Professional

    Transparent Communication

    Fast Reaction,

    Professional Suggestion

    Beyond Expectation.

    We have exclusive partnerships with research and production facilities across the country and we offer varied pharmaceutical services in the most cost-efficient way. The production facilities are GMP, WHO-GMP, EU GMP and US FDA approved and are backed by strong regulatory support such as Dossier, DMF, Tech Pack and relevant Stability studies for regulatory filings.

  • Inquiry History
    108 Inquiries
    Country Product Purchase Quantity Date Posted
    Brazil

    Raw material CAS 303-42-4 and 521-12-0 and 6157875 and 81005-56-3

    5 KG Sep 26, 2025
    United States

    Methenolone Enanthate (Primobolan Depot) 303-42-4

    2 KG Apr 30, 2026
    United States

    Methenolone Enanthate (Primobolan Depot) 303-42-4

    500 G Feb 10, 2026
    United States

    Methenolone Enanthate (Primobolan Depot) 303-42-4

    1 KG Sep 1, 2025
    Italy

    Methenolone enanthate

    10 G Apr 20, 2026
    Canada

    Methenolone Enanthate

    100 G Feb 10, 2026
    United States

    Methenolone enanthate

    100 MG Jul 18, 2025
    United States

    Methenolone Enanthate

    1 KG Jun 26, 2026
    United States

    Methenolone enanthate

    500 G Jun 11, 2026
    United States

    Methenolone enanthate

    100 G Jun 4, 2026
    United States

    Methenolone Enanthate

    5 KG May 26, 2026
    Spain

    Methenolone enanthate

    500 G Apr 25, 2026
    Italy

    Methenolone enanthate

    10 G Apr 24, 2026
    Ireland

    Methenolone enanthate

    100 G Apr 18, 2026
    Canada

    Methenolone Enanthate

    2 KG Apr 15, 2026
    United States

    Methenolone enanthate

    100 G Mar 31, 2026
    Greece

    Methenolone Enanthate

    100  Mar 12, 2026
    United States

    Methenolone enanthate

    50 G Mar 5, 2026
    United States

    Methenolone enanthate

    1000 G Mar 1, 2026
    United States

    Methenolone enanthate

    100 G Feb 28, 2026
    Post an enquiry for this product
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