Intramuscular depot injection Formestane(4-Hydroxy Testosterone)
Used in the treatment of estrogen-receptor positive breast cancer in post-menopausal women
Product name: Formestane
Other name: Lentaron;Formestaqne;
hydroxyandrostenedione;4-Androsten-4,17beta-ol-3-one
CAS Registry Number: 566-48-3
Assay: 98%
Packing: 1kg/aluminum foil bag
Molecular Formula: C19H26O3
Molecular Weight: 302.41
Appearance: White crystalline powder
Standard: Enterprise Standard
Grade: Pharmaceutical Grade
Storage: Shading,confined preservation
Lead time: Within 12 hours upon receipt of payment
Delivery: EMS,DHL,TNT,FedEx,UPS
Usage: Formestane,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.
Product Description:
A. Formestane is a synthetic steroidal substance with antineoplastic activity. Formestane binds irreversibly to and inhibits the enzyme aromatase,thereby blocking the conversion of cholesterol to pregnenolone and the peripheral aromatization of androgenic precursors into estrogens.
B. Formestane is a drug that has been previously used in breast cancer treatment. Like most drugs which have some sort of phsyique usage,athletes eventually get a hold of it. Formestane is currently one of the best legal anti-estrogens out there. It is classified as an irreversible arromatase inhibitor,meaning,it destroys the aromatase enzyme.
C. 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.
Applications:
1). Formestane has a very long active life on the order of 24-36 hours. You can get any sport supplement version capsules for around $40 US or less. This amount of $ will usually last you about 3-4 weeks at a sufficient dosage of 200-400mg per day. I have found 200mg a day to be perfect for on cycle anti-estrogen usage and for post-cycle recovery of natural testosterone. Formestane has zero negative feedback (even though it is an androgen by definition) and serves to elevate natural testosterone as well as any anti-estrogen/anti-aromatase drug out there, next to clomid.
2). Formestane attacks the aromatase enzyme and is therefore a first line inhibitor. So if you need immediate relief of estrogen during your cycle, you need a second class drug (estrogen receptor blocker) such as nolvadex or clomid. Formestane is a lot like arimidex in its mechanism of action in attacking the aromatase enzyme itself.
3). Forma Stanzol decreases SHBG by 34% thus increasing androgen activity, which basically makes androgens/steroids in your systems MORE effective WITHOUT any increase in dosage.
4). Forma Stanzol increases IGF-1 levels by a whopping 26%. Doing so creates the perfect anabolic muscle building environment on cycle, off cycle and during pct.
Forma Stanzol decreases the number of progesterone receptors (inhibits the trenbolone and “deca-dick” type side effects and increases fat loss).
Product Name Formestane(C19H26O3) CAS: 566-48-3
Items Tested Specification Result
Description White Or Almost White Crystalline Powder White crystalline powder
Identification IR UV match with working standard
Melting Point 196~206 196.0~201.0
Specific Rotation +170??~ +181?? +175.0??
Resiue on ignition ?ü0.1% 0.05%
Loss on drying <0.5% 0.1%
Related Substances Not more than the reference solution (0.05%) Complies
Heavy Metals 20PPm max <10PPm
Purity 98.0~102.0% 99.46%
Conclusion It complies to reference standard
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