Alias: Drostanolone; Drolban; Masteron Enanthate; Mast Enan.
CAS ID: 303-42-4
Molecular formula:C27H44O3
Molecular weight:416.64
Purity: 98.30% by HPLC
Specific Rotation: ‘+27.84°
Loss On Drying: 0.16%
Melting point: 53~56.5°C
Appearance: White crystalline powder.
Masteron is DHT (dihydrotestosterone) derivative. It is an injectable anabolic steroid. It is generally available as – Drostanolone Propionate and Drostanolone Enanthate. It is commonly slanged as Mastabol, Mast, or Masto. Its chemical structure is 2a-methyl-androstan-3-one-17b-ol. The Propionate version of Masteron is known as Masteron Propionate, and the Enanthate version is known as Masteron Enanthate.
Drostanolone Propionate is an androgenic / anabolic steroids (AAS) that was originally developed as an anti-estrogen for treating breast cancer, and it was extensively used with the SERM (Selective Estrogen Receptor Modulator) Tamoxifen (Nolvadex) for the purpose.
Masteron Enanthate and Masteron Propionate are both anabolic steroids, but the main difference between the two is that Masteron Propionate is fast acting anabolic steroid. It is usually dosed at 50-150mg/ml. On the other hand, Masteron Enanthate is the slower, but longer acting anabolic steroids. Masteron Enanthate contains ester attached to the drostanolone that is responsible for slower, but longer release of hormone. Where Masteron Propionate is needed to be injected every other day, Masteron Enanthate just requires to be injected twice per week. Masteron Enanthate is generally dosed at 200mg/ml.
Often used by athletes, Masteron helps their blood levels to rise and also helps to shoot up their plasma levels. Masteron Enanthate is one of the favorite injectable anabolic steroids of bodybuilders and athletes, because it has anti-estrogenic properties due to which it does not convert to estrogen through aromatization, and it works for longer durations.
Masteron is effective in blocking the conversion of free testosterone into estrogen by using the aromatization method which helps in increasing the amount of free testosterone, and thus prevents any side effects to occur which would have occurred if it would have converted into estrogen.
On the whole, Masteron Enanthate/ Propionate are weak anabolic steroids, and thus not much in independent use. It is often recommended for stacking with other steroids. Masterone is a safer that other anabolic steroids, as the possible side effects of Masteron Enanthate/ Propionate are very small.
| Test | Enterprise Standard | Results Of Analysis |
| Description | White Or almost white Crystalline Powder | confirms |
| Identification | Requirements Standard | confirms |
| Melting Point | ≥50℃ | 66℃-68℃ |
| Loss On Drying | ≤0.50% | ≤0.31% |
| Specific Rotation | +28°~ +32° | +31° |
| Assay | ≥98% | 99.15% |
| Conclusion | The specification conforms with enterprise standard | |
Muscle hardening and growth. One of the most noticeable effects of Masteron is the way that it improves the hardness of your muscles. It is also known for making people appear more ‘filled out’ by increasing muscle density.
Masteron helps with cutting. If you’re hoping to shed pounds and have a more pronounced physique then Masteron might be a great steroid for you.
Masteron helps to improve energy levels. It also helps to speed up metabolism and can boost the amount of energy that your cells produce.
Drostanolone Enanthate is used for physique and performance enhancement purposes. Mainly Masteron Enanthate is used in cutting cycles for hardening and cutting effects but is also used as an aromatase inhibitor (AIs) because of its unique properties allowing the steroid to be stacked with other wet steroids and working in synergy.
Masteron has low anabolic activity is pretty useless for gaining muscles when used alone. Is also not used in cutting cycles alone either. However, because of its Natural Aromatase Inhibitor properties, strong bind to SHBG and because this is the best steroid for getting hardening effects of the muscles, all while is offering less side effects, Masteron Enanthate is considered perfect when is stacked with other steroids.
Except for working as an aromatase inhibitor, Masteron is known to strongly bind to Sex Hormone Binding Globulin, a hormone that is binding to other steroids decreasing their effectiveness. Masteron, by binding to SHBG, makes other steroids much more effective.
Drostanolone Enanthate can be used for bulking cycles as an booster and aromatase inhibitor, or in cutting cycles for cutting, drying and getting shredded. If used for cutting, body fat should be less than 12%, otherwise there would be too much fat covering the muscles and the hardening effects won’t be seen.
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