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High Purity Raw Steroids Powder Formestane / Lentaron CAS 566-48-3

Categories Anti Estrogen Steroids
Brand Name: TINGYI
Model Number: 566-48-3
Certification: GMP, SGS , ISO 9001:2008 , KOSHER
Place of Origin: China
MOQ: Negotiation
Price: Negotiable ( Discounts For Big Order )
Payment Terms: Western Union, MoneyGram, Bank Transfer, Bitcoin
Supply Ability: 100 KG/Month
Delivery Time: Within 7 Working Days
Packaging Details: Stealth And Discreet Packaging
Product Name: Formestane
Other Name: Lentaron
CAS: 566-48-3
Purity: >99%
MF: C19H26O3
MW: 302.41
Appearance: White Powder
Shipping Method: EMS, HKEMS, FEDEX, DHL, UPS, Aramex, ETC
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    High Purity Raw Steroids Powder Formestane / Lentaron CAS 566-48-3


    High Purity Raw Steroids Powder Formestane / Lentaron CAS 566-48-3 Anti Estrogen Health Steroid


    Abstract


    Lentaron is a type I, steroidal aromatase inhibitor. It is used in the treatment of estrogen-receptor positive breast cancer in post-menopausal women. It is available as an intramuscular depot injection.

    Lentaron is often used to suppress estrogen production from anabolic steroids or prohormones. It also acts as a prohormone to 4-hydroxytestosterone, an active steroid which displays weak androgenic activity in addition to acting as a mild aromatase inhibitor.

    Lentaron has poor oral bioavailability and as such is no longer popular as many orally active aromatase inhibitors have been identified.




    Application


    Lentaron is a second generation, irreversible, steroidal aromatase inhibitor. It inhibits the aromatase enzyme responsible for converting androgens to estrogens, thereby preventing estrogen production. Breast cancer may be estrogen sensitive or insensitive. A majority of breast cancers are estrogen sensitive. Estrogen sensitive breast cancer cells depend on estrogen for viability. Thus removal of estrogen from the body can be an effective treatment for hormone sensitive breast cancers.


    COA


    TEST ITEMSSPECIFICATIONRESULTS
    DescriptionWhite or Almost White Crystalline Powderwhite powder
    IdentificationA.B.Positive
    Assay97.0~103.0%99.3%
    Specific Rotation+101°~+105°+102.6°
    Loss On Drying1.0%max0.27%
    Melting Point153~157°C153.0~155.0°C
    Organic Volatile Impuritiesmeets the requirement.Conforms
    Related Substancesmeets the requirement.Conforms
    Residual Solventsmeets the requirement.Conforms
    Particle Size100% ≤ 20 micronsConforms
    ConclusionThe specification conform with USP35 standard

    Indications/Purpose


    Aromatase converts androstenedione to estrone, and also converts testosterone to estradiol. Lentaron is often used to suppressestrogen production during anabolic steroids and prohormone cycles. Due largely to Lentarons similarity to androstenedione, it also acts as a prohormone to 4-hydroxytestosterone , an active steroid which displays weak androgenic activity in addition to serving as a mild aromatase inhibitor.


    Male bodybuilders and athletes also use it to prevent estrogenic side effects from anabolic steroids, to improve fat loss, and to increase muscle definition while dieting. However, several conclusive studies have demonstrated Lentarons estrogen blocking inferiority when compared to third generation AIs like Arimidex and Femara so its far less popular.


    Dosage

    The most common version of it sold was in a topical gel form and it was dosed at 100-200mgs per application. Users would apply it onto clean, dry skin and rub in thoroughly; usually on the thighs or upper arms. It took 1 to 5 minutes to dry.

    The injectable version for both breast cancer purposes and bodybuilders is 125mgs twice per week or 250mgs once per week.


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