Boldenone undecylenate Chemical Properties

Boiling point:

553.2±50.0 °C(Predicted)

Density 

1.05±0.1 g/cm3(Predicted)

storage temp. 

Controlled Substance, -20°C Freezer

solubility 

DMF: 25 mg/ml; DMSO: 5 mg/ml; Ethanol: 15 mg/ml; Ethanol:PBS (pH 7.2)(1:2): 0.3 mg/ml

form 

Colourless Solution

InChI

InChI=1/C30H44O3/c1-4-5-6-7-8-9-10-11-12-28(32)33-27-16-15-25-24-14-13-22-21-23(31)17-19-29(22,2)26(24)18-20-30(25,27)3/h4,17,19,21,24-27H,1,5-16,18,20H2,2-3H3/t24-,25-,26-,27-,29-,30-/s3

InChIKey

AHMMSNQYOPMLSX-JCROKFDDNA-N

SMILES

[C@@]12([H])CCC3=CC(=O)C=C[C@]3(C)[C@@]1([H])CC[C@]1(C)[C@H](CC[C@@]21[H])OC(=O)CCCCCCCCC=C |&1:0,10,12,16,18,21,r|

CAS DataBase Reference

13103-34-9(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xn

Risk Statements 

40-48

Safety Statements 

36/37

Boldenone undecylenate Usage And Synthesis

Description

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.

Chemical Properties

Yellow Oil

Originator

Boldenone undecylenate,Shandong Xinfa Pharmaceutical Co., Ltd.

Uses

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.

Manufacturing Process

To a solution 5 g of L-dehydrotestosterone in 25 ml of benzene was added 3 ml of pyridine and 7.1 ml undecylene chloride. The mixture was heated for 2 heurs at 70°C. After cooling pyridine hydrochloride was filtered off. The filtrat was purified via chromatography on neutral aluminum oxide. Benzenic eluate was concentrated to obtain 1-dehydrotestosteron 17-undecylenate (boldenone undecylenate) as an oil; λmax 243-244 nm.

brand name

Equipoise [Veterinary] (Fort Dodge Animal Health).

Therapeutic Function

Anabolic

benefits

With a chemical  structure that's nearly identical to testosterone, boldenone can  stimulate protein synthesis and the release of erythropoietin in the  kidneys. Athletes sometimes use boldenone, which may be sold on the  black market, to increase muscle mass and strength.

Mechanism of action

Boldenone is a steroid hormone which has androgenic activity. Androgens bind to the androgen receptor, which regulates gene transcription. 

Side effects

May include symptoms of masculinization like acne, increased hair growth, voice changes, and increased sexual desire.

Veterinary Drugs and Treatments

Boldenone is labeled for use as adjunctive therapy “. . . as an aid for treating debilitated horses when an improvement in weight, haircoat, or general physical condition is desired” (Package Insert; Equipoise?—Fort Dodge).
Boldenone may possibly be useful to stimulate appetite in cats.

Dosage

Average dosage of Boldenone Undecylenate is 300-500 mg per week for men and 50-100 mg per week for women. The injection should be administrated at least once every week and the length of a cycle is varies from 7-8 weeks to 10-12 weeks. Side effects are mild and occur in mainly in cases of high dosages. Athletes may experience acne, oily skin, hair loss, diarrhea, hypertension, prolonged blood clotting time, increased libido as well as post-menopausal bleeding, increased sex drive, swelling of the breasts and virilization symptoms in women.

References

https://www.drugbank.ca/drugs/DB01541
https://en.wikipedia.org/wiki/Boldenone_undecylenate
O'Connor, J. J., et al. "Evaluation of boldenone undecylenate as an anabolic agent in horses. " Canadian Veterinary Journal 14.7(1973):154.
Fararh, K. M. "Clinicopathological study on the effect of boldenone undecylenate as growth promoting agent in goats. Egyptian journal of comparative pathology and clinical pathology 19 (2), 167-174." (2006).
Neamat-Allah, Ahmed N F. "Effect of Boldenone Undecylenate on Haematological and Biochemical Parameters in Veal Calves." Global Veterinaria 13.6(2014):1092-1096.

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