• Product Name:Boldenone undecylenate
  • Molecular Formula:C30H44O3
  • Purity:99%
  • Molecular Weight:452.678

Product Details;

CasNo: 13103-34-9

Molecular Formula: C30H44O3

Appearance: Light yellow oily matter

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1.What is the Boldenone undecylenate ?

Boldenone (BOL; 1,4-androstadiene-17b-ol-3-one) is a well-known androgenic steroid under the trade names Equipoise, Ganabol, Equigan, and Ultragan. It is used by bodybuilders and athletes to develop their physical performance and muscle size by elevating positive nitrogen balance via motivating protein anabolism and decreasing protein catabolism besides the water, nitrogen, and electrolytes retention. Also, BOL used as a growth promoter to improve the food conversion and growth in fattening animals to accomplish more competent production of meat illegally. BOL acts upon the AR in anabolic-responsive tissues, stimulating the body tissue building events due to the amplified protein synthesis.

boldenone undec-10-enoate

boldenone undec-10-enoate

Conditions Yield
1-Dehydrotestosteron, Undecylensaeurechlorid;
4-(bromomethyl)benzoic acid 1,1-dimethylethyl ester

4-(bromomethyl)benzoic acid 1,1-dimethylethyl ester

boldenone undecenoate

boldenone undecenoate





Conditions Yield
With C9H12Br2N2NiO2; In 1,4-dioxane; at 30 ℃; for 12h; Inert atmosphere; Sealed tube;

2.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:

CAS Number



1.05 g/cm3

Boiling Point

553.2 °C at 760 mmHg

Flash Point

232.2 °C

Vapor Pressure

0mmHg at 25°C

Refractive Index








3.What are another words for Boldenone undecylenate ?

Synonyms for Boldenone undecylenate 13103-34-9: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;

4.What is the molecular formula of Boldenone undecylenate?

The chemical formula of  Boldenone undecylenate is C30H44O3 which containing 30 Carbon atoms,44 Hydrogen atoms and 3 Oxygen atoms,and the molecular weight of  Boldenone undecylenate is 452.678.

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

Boldenone Undecylenate (BLD) is a synthetic derivative of testosterone and a widely used anabolic androgenic steroid. Boldenone undecylenate or boldenone undecenoate (BLD), a well-known AASs member, is primarily produced for veterinary use mainly for horses and known as Equipoise, Ganabol, Equigan, and Ultragan (Tousson et al., 2016). It also increases the growth and nutrient conversion of food-producing animals. Despite being banned in humans, BLD is still available illegally and heavily used by athletes and bodybuilders and for fitness purposes in non-athletics.


Relevant articles related to Boldenone undecylenate:



A novel strategy for the detection of boldenone undecylenate misuse in cattle using ultra-high performance liquid chromatography coupled to high resolution orbitrap mass spectrometry: From non-targeted to targeted

In this work multivariate strategies were employed in order to highlight new potential biomarkers of interest to detect the exogenous treatment of steers intramuscularly treated with boldenone undecylenate.

, Drug Testing and Analysis,Volume14, Issue4 April 2022 Pages 667-675

Boldenone undecylenate disrupts the immune system and induces autoimmune clinical hypothyroidism in rats: Vitamin C ameliorative effects

The present study was designed to evaluate the effects of boldenone undecylenate (BL) abuse alone and in combination with vitamin C (VC) on the immune responses and thyroid …

, International Immunopharmacology Volume 99, October 2021, 107939

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