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Raw Steroid High Purity Powder 4-Androstenedione / 4-AD CAS 63-05-8 For Bodybuilding

Categories Prohormone Raw Powder
Brand Name: TINGYI
Model Number: 63-05-8
Certification: GMP , ISO 9001:2008
Place of Origin: CHINA
MOQ: Negotiation
Price: Contact Us
Payment Terms: Bank Transfer - Bitcoin - Western Union - MoneyGram
Supply Ability: 100 KG/Month
Delivery Time: Within 7 Working Days
Packaging Details: Stealth And Discreet Packaging
Product Name: 1,4-Androstadienedione
Other Name: 1,4-Androstadien-3,17-Dione
MF: C19H24O2
MW: 284.39
Appearance: White Powder
Shipping Method: EMS, HKEMS, FEDEX, DHL, UPS, Aramex, ETC
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    Raw Steroid High Purity Powder 4-Androstenedione / 4-AD CAS 63-05-8 For Bodybuilding


    Raw Steroid High Purity Powder 4-Androstenedione / 4-AD CAS 63-05-8 For Bodybuilding


    Abstract


    4-Androstenedione is the common precursor of male and female sex hormones. Some 4-Androstenedione is also secreted into the plasma, and may be converted in peripheral tissues to testosterone and estrogens.


    4-Androstane-diones are a pair of isomeric steroids which differ at the 5-position. They are distinguished as 5α-androstane-dione and 5β-androstane-dione. In humans, 5α-androstane-dione is a metabolic precursor of both testos-terone and estrone.


    Simplified hormone drugs, from the testis or urine extracted with the role of a male hormone steroids, norethisterone, testosterone propionate in the middle Body, is widely used in small rheumatoid arthritis, diuretic, and a variety of contraceptive to control infectious inflammation.

    4-Androstenedione can be synthesized in one of two ways.


    The primary pathway involves conversion of 17-hydroxypregnenolone to dehydroepiandrosterone by way of 17,20-lyase, with subsequent conversion of dehydroepiandrosterone to 4-Androstenedione via the enzyme 3-β-hydroxysteroid dehydrogenase. The secondary pathway involves conversion of 17-hydroxyprogesterone, most often a precursor to cortisol, to 4-androstenedione directly by way of 17,20-lyase. Thus, 17,20-lyase is required for the synthesis of 4-androstenedione, whether immediately or one step removed.


    The production of adrenal 4-Androstenedione is governed by ACTH, whereas production of gonadal 4-Androstenedione is under control by gonadotropins. In premenopausal women, the adrenal glands and ovaries each produce about half of the total 4-androstenedione(about 3 mg/day). After menopause, 4-androstenedione production is about halved, due primarily to the reduction of the steroid secreted by the ovary. Nevertheless, 4-androstenedione is the principal steroid produced by the postmenopausal ovary.


    Specifications


    TEST ITEMSSPECIFICATIONRESULTS
    DescriptionWhite Crystalline PowderWhite Powder
    IdentificationPositivePositive
    Assay(by HPLC)98.0~102.0%99.5%
    Absorbance(E1cm)465~495482.5
    Melting Point191~195°C193.5~195.0°C
    Loss On Drying0.5%max0.19%
    Specific Rotation+288°~ +298°+290.2°
    Residue On Ignition0.1%max0.03%
    Related SubstancesTotal:1.5%max<1.3%
    Single:0.5%max<0.4%
    Residue Solvents0.2%max0.10%
    Heavy Metals20PPm max<10PPm

    Usage

    4-Androstenedione is further converted to either testosterone or estrogen.


    In males, conversion of androstenedione to testosterone requires the enzyme 17β-hydroxysteroid dehydrogenase.

    In females, androstenedione is released into the blood by theca cells. Conversion of androstenedione to estrogen (e.g., estrone and estradiol) requires the enzyme aromatase. Androstenedione is a substrate for estrogen production in granulosa cells which produce aromatase. Thus, theca cells and granulosa cells work together to form estrogens.

    Used for simplified hormone drugs, from the testis or urine extracted with the role of a male hormone steroid, norethisterone, testosterone propionate in the middle body, is widely used in small rheumatoid arthritis, diuretic, and a variety of contraceptive to control infectious inflammation.


    The quality control process


    1)Purchasing
    Thorough market research, understand the price of raw materials and performance.To the procurement source to understand fully, and fully guarantee the quality of the procurement of raw materials.

    2) Inspection
    Four steps: sampling, sample pretreatment, measuring and data processing.

    3) Producing
    a)Each operator must do self-inspection of producs and make the corresponding inspection records.

    b)Full-time inspectors through check the operator self-inspection, and review and sign in the corresponding record. Full-time inspection is responsible for inspection of finished product, and make the finished product incoming inspection records.

    4) Before selling
    Test result can be provided before selling.
    Third-party detection institution is allowed if you are not satisfied with test results.

    5) After-sales service
    1.We will ship the goods within 3days after get your payments.If you want to cancel or change order, please tell me within 24hours after you finish the payment...So we both can make the best of the bad bargain.


    2.We will ship the goods that you order from us by EMS, DHL, UPS, or FedEx.We will decided to choose which courier depend on Different countries.To find the best way to delivery the goods for you.


    3.As usual you can get the goods with in 4-7days.If the goods were lost or not received for other reasons, please contact me Immediately.


    Factory price, pure injection, best credit.



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    Quality Raw Steroid High Purity Powder 4-Androstenedione / 4-AD CAS 63-05-8 For Bodybuilding for sale
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