Fine Chemicals

Product description:
4-Hydroxy Testosterone (4-Hydroxytestosterone), also known as 4,17β-dihydroxyandrost-4-en-3-one, is a syntheticanabolic-androgenic steroid (AAS) and a derivative of testosterone that was never marketed. It was first patented by G.D. Searle & Company in 1955 and is testosterone with a hydroxy group at the four position. 4-OHT has moderate anabolic, mild androgenic, and anti-aromatase properties and is similar to the steroidclostebol (4-chlorotestosterone).


Pharmacodynamics:

Aanabolic steroids have a similar effect to testosterone in the body. Effects include an increase in protein production within cells, (ie. skeletal muscle cells) and well as the development and maintenance of masculine characteristics.

Mechanism of action:

4-hydroxytestosterone is a fat soluble compound which can cross the lipid bilayers of cell membranes to enter the cytoplasm of cells. In the cytoplasm, 4-hydroxytestosterone can bind to an androgen receptor, which then gets transported to the nucleus of the cell to alter protein transcription and translation. Ananolic steroids are believed to increase muscle mass by increasing the production of proteins, as well as by reducing the effects of the stress hormone cortisol, which is known to promote muscle breakdown. It is postulated that other steroid hormones (glucocorticoids) may also be inhibited by anabolic steroids in order to prevent muscle catabolism.


Application:

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

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other product list:

Testosterone enanthate ( CAS: 315-37-7)
Testosterone cypionate (CAS: 58-20-8 )
Testosterone propionate ( CAS: 57-85-2)
Testosterone cypionate (CAS 1255-49-8 )
Testosterone isocaproate (CAS: 15262-86-9 )
Testosterone decanoate (CAS: 5721-91-5)
Testosterone undecanoate (CAS: 5949-44-0)


Semi-finished Injectable / Oral steroids:
Test prop-----------100mg/ml 200mg/ml
Test enan-----------250mg/ml 300mg/ml 400mg/ml 500mg/ml 600mg/ml
Test cyp------------200mg/ml 250mg/ml 300mg/ml
Test Sustanon-------200mg/ml 250mg/ml 300mg/ml 400mg/ml
Deca----------------200mg/ml 250mg/ml
Equipoise-----------200mg/ml 300mg/ml
Tren ace------------100mg/ml 200mg/ml
Tren enan-----------100mg/ml 200mg/ml
Dianabol------------50mg/ml
Winstrol------------50mg/ml
Masteron------------100mg/ml 150mg/ml
Primobolone---------100mg/ml
Supertest-----------450mg/ml
Anomass ------------400mg/ml
Ripex---------------225mg/ml
Tritren-------------180mg/ml
Tri Test------------300mg/ml
Tri Deca------------300mg/ml
Test Blend----------450mg/ml 500mg/ml
Nandro Test---------225mg/ml
Mass----------------500mg/ml
Cut Depot-----------400mg/ml
Tren Test-----------225mg/ml
Nandro Test Depot---------450mg/ml
Equi Test-----------------450mg/ml
Rip Cut-------------------175mg/ml
Tren Test Depot-----------450mg/ml

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