Prohormone and Designer Steroid Profile Furaza-A Orastan A, unmethylated furazabol

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[h=2]Furaza-A[/h]


Nomenclature: 5a-androstano[2,3-c]furazan-17b-tetrahydropyranol ether

Synonyms: Orastan A, unmethylated furazabol, CTD Winabol, CEL Furaza-A, Axis Labs Furazadrol, Furaguno

Originally marketed by Gaspari as Orastan-A, this is an unmethylated version of the illegal steroid Furazabol (or Androfurazanol), with a THP ether attached to protect the 17b-hydroxyl group.

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Here's the Vida profile for unmethylated furaza [1]. ~100% of the anabolic activity of test prop when injected, with only 30-50% the androgenic activity. Oral administration will be less effective due to first-pass metabolism by the liver.
The THP ether will likely be mostly cleaved by the stomach acids, leaving free unmethylated furaza as shown in the Vida diagram. That which survives with the THP ether intact may be taken up directly into the lymph system from the small intestine, bypassing first-pass liver degradation, since the THP ether increases the lipophilic properties of the drug. One suggestion to increase the amount that survives the initial acid bath etherified would be to dissolve the compound in oil prior to ingestion. This was a popular method a few years ago with 1-test ether gel capsules, though from what I've heard real-world results tended to be disappointing.

One of the more outlandish claims regarding this compound is that it positively impacts cholesterol, however I believe these claims date back to a time when the importance of the lipoprotein subfractions were poorly understood and a decrease in overall cholesterol was considered positive, today we understand that this is likely due to a drop in HDL ("good cholesterol") and is not a positive aspect of a drug's effects.

This compound is to furazabol what prostanozol (or p-stanz) is to winstrol, with unmethylated furaza being generally regarded as the superior of the two. Apparently, furazabol would be stronger if it had a 4-ene, but winny would be weaker with the same double bond [2]. 17α-methyl-4-androstene-2,3-furazan-17β-ol is both more anabolic and more androgenic than furazabol by oral administration according to the following graph:

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The solid thick black line labeled androfurazanol is (illegal) furazabol. The thin dotted line (compound V) is furazabol with a 4-ene. [2]

Compound V is not listed on the US Controlled Substances Act or UK Misuse of Drugs Act, and would therefore be as legal as any of the other grey-market steroids currently sold, if someone were to have it custom synthesized.

DHT-based, with a 2,3 furazan ring system, aromatisation is impossible, so gyno on cycle should not be a concern with Furaza-A. Effects and side-effects will both be somewhat less pronounced than most commonly cycled compounds, yet the original Orastan A had a vocal following who will no doubt be pleased to see it return to the market.
Solo cycles will typically be used to minimise muscle loss while cutting, and it will often be stacked with other compounds for its muscle-hardening effects, lean gains, and relatively low side-effect profile.
I've heard that effects will start to be felt around the 200mg mark, with most users opting for dosages of around 300mg ED, which can start to get quite expensive.​
 
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