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Testosterone Isocaproate Testosterone Anabolic Steroid Powder 58-22-0

Other Hot-Sale Products (Raw Powder)
Certification : ISO9001
Place of Origin : China
Price : negotiable
Payment Terms : T/T, Western Union, MoneyGram
Supply Ability : 50kg/batch
Delivery Time : within 24 hours
Packaging Details : discreet
  • Specifications

Testosterone Isocaproate Testosterone Anabolic Steroid Powder 58-22-0

Basic information:

Other name: Testex; PRIMOTESTON; Omnadren
register number :58-22-0
Molecular formula :C19H28O2
Molecular weight :288.42
EINECS No.: 200-370-5
Melting Point: 152-156 °C

Appearance: white or off-white crystalline powder
Assay: 98%


When the testosterone hormone was first brought to the shelf it was quickly available in pure testosterone form (ester free) and the small ester version Testosterone-Propionate; since that time numerous other forms have followed. All-in-all the most common forms of testosterone that are still available today include:

• Testosterone-Cypionate
• Testosterone-Enanthate
• Testosterone-Propionate
• Testosterone-Suspension
• Sustanon-250
• Omnadren

Of the six common forms of testosterone, all are comprised of the same identical testosterone hormone; the difference resides the in the ester(s) or in the e of Testosterone-Suspension the lack thereof. Once in the body, the testosterone hormone performs and functions in the same manner regardless of the form used, but there are differences based on the mode of action, in-terms of initial delivery and total active duration. This can largely be understood by examining and understanding the particular ester(s) attached, as this determines the particular forms half-life; however, there is one more difference worthy of note and we’ll discuss it shortly.

The half-life of these testosterone forms is determined by the size of the ester(s) attached; the larger the ester the longer the half-life. The longer the half-life, the longer the steroid will remain active in the body; conversely, the shorter the half-life, the smaller the ester the faster it will activate once in the body. Further, the testosterone’s ester also affects the total mass of the compound. For example, the larger the ester the more mass it takes up and as such the more it takes up in the total milligram dosing. To provide insight let’s look at Testosterone-Cypionate, a large ester base form and Testosterone-Propionate, a short ester base form. When we inject 100mg of Testosterone-Cypionate 69.9mg will be that of active testosterone hormone; conversely when we inject 100mg of Testosterone-Propionate 83.72mg will be that of active testosterone. In truth, while this is a worthy and an interesting note it is also insignificant, as total doses can be adjusted with any form in-order to provide the same total testosterone dosing.

Where ester size truly becomes worthy of consideration, is when planning out administration of the hormone. The smaller the ester, the shorter the half-life, the more frequently the hormone will need to be administered in-order to maintain peaked and stable levels of testosterone. Granted, depending on the purpose of use, therapeutic or performance, injection frequency can vary, but it remains short ester forms must be injected more frequently, and this basis is determined by half-life. The half-life of the six common testosterone forms is as follows:

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