High Purity Prohormone Steroids Powders Androstenedione 63-05-8
Androstenedione Quick Detail
|Androstenedione, Androstendione, bASD, ADION, Andro, 4AD|
|Packing: 1kg/ foil bag|
Pharmaceutical Grade USP28
Shading, confined preservation
4-AD; 4-Androstene-3,17-dione; 4-androstenedione
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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
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
Q1: Are you a manufacturer?
A: Yes, We manufacture bulk products in our factory located in
Jiayu, Hubei, and produce small quantity and customer synthesis
products in our lab located in Wuhan.
Q2: Do you have stock?
A: We understand most customers prefer stock, so we'll try to keep
stock for most products. However, for some rare products, we won't
keep stock and it needs time to synthesize.
Q3: What certificates and documents do you offer?
A: Some technical paperwork is available, such as COA, HNMR, HPLC,
Q4: Why should I choose you?
A: Powerful technical support-come from our highly skilled &
fully experienced staff, working in chemical industry for over 5
years, in average.
Strict quality control-comes form our sophisticated management
Professional and warm sales team-since we believe we can only win
via our hard work in a competitive world
Quick response and excellent presale and after sale service-since
we believe our customers deserve all the best service
Q5: Can I get best price from you?
A: Of course. We don't chase excessive profits and always try tp
give best offer. If you are good at bargaining, you can also enjoy
fun of bargaining. Just don't make it too hard!
Q6: How should I pay?
A: We accept all kinds of payment ways. such as T/T, Western union,
Moneygram , Bitcoin .
Q7: Do you provide free sample?
A: Yes, we can provide free sample if we have in stock, just need
you to cover the delivery cost.
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