Boldenoe undecylenate

  • CasNo:13103-34-9
  • Molecular Formula:C<sub>30</sub>H<sub>44</sub>O<sub>3</sub>
  • Purity:
  • Molecular Weight:452.678

Product Details

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What is the Boldenone undecylenate ?

Boldenone undecylenate is Light yellow oily matter, while it's Molecular Formula is C30H44O3. Boldenone Undecylenate is an anabolic steroid developed for veterinary use. It also belongs to testosterone derived anabolic androgenic steroid and androgen ester that is used in veterinary medicine, especially in horses. It is commonly given to horses in order to increase the lean body weight as it can increase the appetite of the horse. Boldenone undecylenate is also known to be capable of promoting strength and muscle endurance, which is extremely beneficial to the enhancement of athletic performance. It can also be used as a cutting steroid which can protect you from loss of lean tissue, which might be its most beneficial point of use.

What is the CAS number for Boldenone undecylenate ?

The CAS number of Boldenone undecylenate is 13103-34-9.

More information of Boldenone undecylenate 13103-34-9 are:


Androsta-1,4-dien-3-one,17b-hydroxy-, 10-undecenoate(7CI,8CI);10-Undecenoic acid, ester with 17b-hydroxyandrosta-1,4-dien-3-one (8CI);Ba 29038;Ba9038;Boldefarm;Boldenone 10-undecenoate;Equipoise;Parenabol;Vebonol;

CAS Number


Molecular Formula


Molecular Weight



1.05 g/cm3

Boiling Point

553.2 °C at 760 mmHg

Flash Point

232.2 °C







What is Boldenone undecylenate (13103-34-9) used for?

Boldenone undecylenate is a kind of synthetic and injectable anabolic-androgenic steroid. It is a kind of androgen ester that can be used in veterinary medicine, particularly in horse. As a synthetic steroid, it has a similar effect as the natural steroid testosterone. Upon treatment of boldenone undecylenate, horses exhibit improved temperament and appetite, further increasing their weight and strengthening the muscles tissues. However, the effect is generally mild. Similar growth promoting effect of boldenone undecylenate has also been observed in goats and calves. The mechanism of action of boldenone undecylenate is acting as a steroid hormone with androgenic activity, further binding to the androgen receptor to regulate related gene transcription. It should be noted, however, the activity of boldenone is mainly anabolic, with a low androgenic potency.


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