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Drostanolone propionate powder

Rating: SKU: 521-12-0. Category:

Other names:Mast p, dromostanolone, propionate, Drolban, Masteril, Masteron

AASraw is the professional manufacturer of pure Masteron Propionate raw Powder which has independent lab and large factory as support, all production will be carried out under CGMP regulation and trackable quality control system. The supply system is stable, both retail and wholesale orders are acceptable.Welcome to order from AASraw!

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Product Description


Raw Masteron Propionate(Drostanolone) Powder Basic Characters

Product Name: Drostanolone Propionate powder(Mast prop)
CAS number: 521-12-0
Molecular Formula: C23H36O3
Molecular Weight: 360.53
Melt Point: 114-120°C
Color: White crystalline powder
Storage Temp: RT

What is Masteron Propionate(Drostanolone) Powder?

Masteron (Drostanolone) was brought to market around 1972 by Syntex Pharmaceuticals, the same company that brought Anadrol to market just a few years earlier. The medical objective was to help control breast cancer in females using its mild anti-estrogen properties. As the years went on companies have depended on SERMs like Nolvadex for this purpose since they have much lower side effects, and Masteron has fallen out of favor in the medical community.

Even though it existed during the golden age, many bodybuilders were disappointed that it never made it into their hands. People relied on word of mouth and gurus to guide them before the internet, therefore information was extremely outdated. If they had known about Masteron at the time, it would have been the number one steroid to use.

It has increased in popularity throughout the years, and in the last 30 years, it has been a mainstay to utilize in a contest prep cycle to give the bodybuilder strong muscles on stage.

Masteron propionate, or drostanolone propionate, popularly known as Masteron, is a dihydrotestosterone-derived androstane steroid. The labeling scheme for atoms and rings was created using the standard notations for the compounds in this class. It functions as an androgen receptor agonist, much like any other androgenic steroid. Drostanolone propionate Powder was originally used to treat breast cancer. It is now commonly used in sports, bodybuilding, and powerlifting as a performance booster, while also increasing protein synthesis, which results in the gain of lean muscle mass tissue and promotes recovery.  More people have used it, and it’s generally considered the more popular variety. Most brands and individuals refer to Masteron propionate when they are referring to Masteron. There are many Masteron propionate powders for sale online, it is very easy to buy them now.

How does the steroid Masteron Propionate Powder work?

Masteron is used by bodybuilders and athletes to gain muscle mass fast and to enhance their performance. Bodybuilders constantly look for bodybuilding supplements to achieve their goals fast and Masteron is a highly effective supplement that helps them achieve their bodybuilding goals. There are many anabolic steroids and what makes Masteron Propionate Powder the rarest steroid for your bodybuilding needs?

Masteron Propionate Powder has become popular among athletes and bodybuilders because of the way that it influences the hormonal systems in the body.

Because of its nature as an anti-estrogen, one might imagine some of the characteristics of Masteron. The compound is derived from dihydrotestosterone, or DHT, and doesn’t convert to estrogen in the body – a process which is known as aromatization. Free testosterone – that is, testosterone that is readily available for the body to use – can be aromatized into estrogen.

Masteron is believed to influence estrogen by inhibiting some of the enzymes that lead to its aromatization, or possibly through direct interaction with estrogen.

If Masteron is, indeed, a compound that inhibits the aromatase enzyme, it could be useful for helping to maintain optimal levels of free testosterone in the body. It could also be useful for preventing the aromatization of other compounds or steroids that are known to convert into estrogen.

What does Drostanolone Propionate Powder do for bodybuilders?

Drostanolone Propionate Powder is often referred to as an “androgenic steroid with anabolic effect” and it has been shown to produce strong anti-estrogenic properties, which can help keep estrogen levels under control and provide a harder look. The Drostanolone Propionate Powder benefits in bodybuilding are:

Perfectly Shaped Muscular Body

One benefit of Masteron Propionate Powder is to increase muscle mass, which has led to its often unapproved and controversial use by athletes and bodybuilders who want to increase strength or a muscular appearance.

Prevent Muscle Loss

Drostanolone propionate Powder also prevents muscle loss during dieting while increasing the loss of body fat. Some athletes may use the drug to build strength but maintain a certain weight to compete in a particular weight class. It may also be used to enhance the appearance of muscles — making them look harder and more defined — for those competing in bodybuilding competitions.

Weight Loss

Drostanolone propionate Powder also has a diuretic effect, which can sometimes increase weight loss.

Boosting The Strength, Energy, And Stamina

Side by side with hardening your muscles and improving their appearance a Masteron propionate Powder Cycle actually strengthens your muscles from within. Obviously, just a visibly strong and muscular appearance is of no use at all. We’re actually looking to build a strong and energetic body, fit for tough workouts, practices, and sports events. The good this is that you’re not compromising on your strength goals during a Masteron Cycle at all. It rather helps boost the strength, energy, and stamina any bodybuilder or athlete can dream of experiencing.

Masteron Propionate Powder benefits in medical use

Masteron Propionate Powder is one of the drugs that have multiple uses. Not only is this steroid useful in bodybuilding but it has also been widely utilized in the medical field for various treatments.

Even though Masteron Propionate Powder is not allowed in the medical field to be used for treating breast cancer, there are other ways it can be helpful. It can help treat gynecomastia and breast cancer that has metastasized to other parts of the body.

Masteron Propionate Powder can also be effective as a palliative treatment for inoperable breast cancer, especially when it is used together with other medications as well. In most cases, Masteron Propionate Powder is administered as part of a hormonal treatment plan that includes estrogen receptor antagonists and gonadotropin-releasing hormone agonists.

In addition to this, Masteron Propionate Powder has also proven to be effective in treating other types of cancer. It can help slow down the growth rate of prostate cancer cells by reducing the amount of cell division they are doing within the body.

It can also cause apoptosis or programmed cell death in certain types of brain tumors, which is why it has been recommended as a treatment for gliomas. As a treatment for leukemia, Masteron Propionate Powder can reduce tumor size and stop the spread of cancer cells to other parts of the body.

Masteron Propionate Powder can also be used for treating other diseases such as acquired immunodeficiency syndrome (AIDS), wasting syndrome, malaria, and chorioretinitis.

Drostanolone Propionate (Masteron Propionate) Powder Stack

Stacking Masteron Propionate Powder with other steroids can be effective in maximizing its benefits and minimizing possible negative effects. In fact, this is what most bodybuilders do when trying to achieve the best gains while minimizing the risks of experiencing side effects.

Masteron Propionate Powder Stack With Dianabol Or Testosterone

In bodybuilding, it is common for athletes to stack Masteron Propionate Powder with Dianabol or Testosterone. This can be a great combination especially if you are planning to bulk up because both of these products provide quick gains in lean muscle mass.

Masteron Stack With Nandrolone DECA

Masteron Propionate Powder may also be stacked with Deca Durabolin to prevent hair loss while providing fat loss benefits. Other steroids that can be stacked with Masteron Propionate Powder for better results include Anavar, Winstrol, and Trenbolone Acetate.

Masteron Stack With Other Steroids

Masteron Propionate Powder can also be stacked with other steroids for cutting. Some examples are Equipoise, Clenbuterol, Anavar, and T3.

It is not advisable to stack Masteron Propionate Powder with Triacetyluridine because of its negative effect on the liver. It is also not advised for you to use it together with Winstrol or Proviron because they can cause a condition called gynecomastia, which is why it is best to use Masteron with products that have few side effects.

Is it legal to buy Masteron Propionate (Drostanolone Propionate) Powder?

Masteron’s legality varies from country to country. In some places, it is a prescription-only medication while in others it is available over the counter without requiring a doctor’s prescription.

In most countries including Australia, Canada, New Zealand, and the United Kingdom, Masteron is a Schedule IV drug. This means that you need a prescription from a doctor before purchasing it legally.

In the United States, it is a Schedule III drug which means that you may need a prescription from a doctor if you plan on purchasing it legally. If you have not been prescribed Masteron by your doctor then buying it without a valid prescription is considered illegal.

In some countries like Brazil, Austria, and Norway, this steroid is classified as an anabolic steroid. This means that the sale of this product is prohibited in these countries.

There are some countries where Masteron is not classified as a controlled or illegal substance. Examples of places where Masteron can be purchased legally without requiring a prescription include South Africa, Mexico, and Turkey.

So as you can see, there are many countries where Masteron is legal and can be purchased without a prescription. However, in some places like the US, you may need to ask your doctor for a prescription before you can legally purchase it.

Why do we recommend you buy Masteron Propionate Powder?

Legal Status

As mentioned above, masteron legality varies from country to country. But Masteron powder is not, it is the raw material.


Masteron is not as popular as many other anabolic steroids and would be considered low-moderate in popularity on the market. It is, however, a staple in any source/seller’s inventory of products for sale. Those looking to buy Masteron Propionate Powder will find that it is quite an expensive anabolic steroid as well, and is by no means a cheap compound, even as an underground product.

Depending on the source, Masteron of underground origin will generally range from $170 – $230 for a 10ml vial that is in a concentration of 100mg/ml. Some cheaper sources may have Masteron available (in the same 10ml 100mg/ml format) in the range of $80 – $120.

It is much cheaper to buy masteron propionate powder than the finish vials, you even can buy masteron propionate powder for US$4-5/gram. For example, if you want to make 100mg/ml masteron propionate, 1 gram masteron propionate powder can make about 10ml. Masteron Propionte Powder is dozens of times cheaper. But first of all, it will be important to find a reliable Masteron Propionate Powder manufacturer. AASRAW is one of the best steroid powder suppliers, you can buy Masteron Propionate Powder wholesale to get a good price.

Easy And Safe Shipping

Compared to injection, the raw powder form of Masteron prop is easier to ship. It can ship by express like FedEx, DHL, TNT, UPS..etc. and declare by other normal product names to make it easier for you to complete the customs process in the destination country.

Quality Guarantee

Compared to the Masteron propionate vial, it is easier to identify the Masteron propionate powder quality. For the finished vials of Masteron, it is difficult for you to know how is the homebrew process, and what are the ingredients used mix. But for Masteron propionate powder, the best and most direct method is to test the purity of the powder. Masteron propionate powder is the main ingredient in cooking, you can see the quality immediately. Buy quality Drostanolone Propionate Powder with AASRAW supplier, After homebrewing, you will get a very pure and clear injection form of Masteron Propionate.

How to identify the best Drostanolone Propionate(Masteron Propionate) Powder manufacturer?

The market is tight for Masteron Propionate powder as there is more of a demand than available supply. This means sellers on the black market are able to ask a premium price for it. This also means there is a risk of poor-quality products being sold out there. If you decide this is the best product for you, make sure you are selective about where you buy it.

You can buy Masteron Propionate Powder online from numerous black markets and underground suppliers of anabolic steroid powder. But the best Drostanolone Propionate Powder manufacturer least need to be:

It Is A Legit Company

The best Masteron Propionate Powder supplier must be a legit company first. Legal registration and business, with office space and company staff, can use the company’s official mail or other official contact methods to communicate with customers.

It may be that the factory and the sales team are separated because the production workshop of the factory requires a certain scale of space,  it may be selected in a place where the cost of land is not so high. The sales team needs to have the most direct contact with customers, so the selected place may be an office building or an industry gathering place. No matter where it is located, it is a legitimate company.

Professional Technology Department

A professional and the best Drostanolone Propionate Powder supplier, it must have its own technology team, equipped with professional production and quality testing equipment. This ensures that the quality of the steroid powder produced is the best.

Certain Production Scale

A best Masteron Propionate Powder manufacturer must have a certain production scale from small scale to large scale. This ensures that both low-volume and high-volume production needs are met. And can ensure the consistency of anabolic steroid powder quality. The Masteron Propionate Powder produced by those informal small workshops cannot ensure the consistency of the quality of the Masteron Propionate Powder, due to the lack of systematic management and professional personnel and equipment. Maybe the quality of this batch is good, but the next batch will not.

Long-term Existence

The best Masteron Propionate Powder manufacturer, it can stand the test of time and the market, and after the test of market competition, it will exist in this market for a long time.

Masteron Propionate(Drostanolone) Powder Testing Report-HNMR

Masteron Propionate (Drostanolone) powder HNMR

What is HNMR and What does HNMR spectrum tell you? 

H Nuclear Magnetic Resonance (INMR)spectroscopy is an analytical chemistry technique used in quality control
and research for determining the content and purity of a sample as well as its molecular structure. For 
example, NMR can quantitatively analyze mixtures containing known compounds. For unknown compounds, NMR 
can(either be used to match against spectral libraries or to infer the basic structure directly. Once the
basic structure is known, NMR can be used to determine molecular conformation in solution as well as 
studying physical properties at the molecular level such as conformational exchange, phase changes,
solubility, and diffusion.

Drostanolone propionate powder(521-12-0)-COA

Drostanolone propionate powder(521-12-0)-COA

How to buy Masteron Propionate Powder from AASraw?

❶To contact us by our email inquiry system, or leave your WhatsApp number, our customer service representative(CSR) will contact you within 12 hours.

❷To provide us with your inquired quantity and address.

❸Our CSR will provide you with the quotation, payment term, tracking number, delivery ways, and estimated arrival date(ETA).

❹Payment is done and the goods will be sent out in 12 hours.

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Author of this article:
Dr. Monique Hong graduated from UK Imperial College London Faculty of Medicine

Scientific Journal paper Author:
1.Günther Trams
Department of Obstetrics and Gynecology, University of Hamburg, Hamburg-Eppendorf, Germany
2.Yang Liu
State Key Laboratory of Natural and Biomimetic Drugs and Department of Natural Medicines, School of Pharmaceutical Science, Peking University Health Science Center, Beijing 100191, PR China
3.A.A. Van Der Gugten
Biological Department, Antoni Van Leeuwenhoek-Huis, The Netherlands Cancer Institute, Amsterdam, The Netherlands
4.D. De Boer
Netherlands Institute for Drugs and Doping Research, Sorbonnelaan 16, 3584 CA Utrecht, The Netherlands
5.Jianghai Lu
National Anti-Doping Laboratory, China Anti-Doping Agency, 1st Anding Road, ChaoYang District, Beijing 100029, PR China
In no way does this doctor/scientist endorse or advocate the purchase, sale, or use of this product for any reason. Aasraw has no affiliation or relationship, implied or otherwise, with this physician. The purpose of citing this doctor is to acknowledge and commend the exhaustive research and development work done by the scientists working on this substance.


[1] Espinosa E., Molins E., Lecomte C. Hydrogen bond strengths revealed by topological analyses of experimentally observed electron densities. Chem. Phys. Lett. 1998;285:170–173. doi: 10.1016/S0009-2614(98)00036-0.

[2] Parker T.M., Burns L.A., Parrish R.M., Ryno A.G., Sherrill C.D. Levels of symmetry adapted perturbation theory (SAPT). I. Efficiency and performance for interaction energies. J. Chem. Phys. 2014;140:094106. doi: 10.1063/1.4867135.

[3] Sheldrick G.M. SHELXT-Integrated space-group and crystal-structure determination. Acta Cryst. 2015;A71:3–8. doi: 10.1107/S2053273314026370.

[4] “Drostanolone propionate (Masteron) administration – The Dose for Treating Breast Cancer”. Masteron. 2020-01-24. Archived from the original on 2020-10-01. Retrieved 2021-02-23.

[5] I.K. Morton; Judith M. Hall (6 December 2012). Concise Dictionary of Pharmacological Agents: Properties and Synonyms. Springer Science & Business Media. pp. 106–. ISBN 978-94-011-4439-1.

External links

[6] Caglioti G., Paoletti A., Ricci F.P. Choice of collimators for a crystal spectrometer for neutron diffraction. Nucl. Instrum. 1958;3:223–228. doi: 10.1016/0369-643X(58)90029-X.

[7]  Jeziorski B., Moszynski R., Szalewicz K. Perturbation Theory Approach to Intermolecular Potential Energy Surfaces of van der Waals Complexes. Chem. Rev. 1994;94:1887–1930. doi: 10.1021/cr00031a008.

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