Product Overview
Testosterone base is the non-ester form of testosterone and is used as a steroid active pharmaceutical ingredient. Unlike testosterone esters, it does not carry an added side chain.
Because of this, it is often used when formulators want the plain active form for further processing or specific product design work.
Testosterone base is a raw pharmaceutical material only. It is not a finished medicine and must be processed into an approved final product before use.
Therapeutic Applications
Testosterone base is used as an API in products where the direct form of testosterone is preferred.
It is often useful in dosage forms such as gels, creams, patches, and other systems where formulators want the hormone in its plain form rather than an ester form.
Since it does not need ester breakdown first, it can be chosen in product designs where direct hormone availability is important.
At the product level, the choice of testosterone base depends on the type of formulation, the target release pattern, and the approved route of use.
Specification Parameters
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CAS Number:- 58-22-0
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Chemical Name:– Testosterone
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Molecular Formula:- C19H28O2
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Molecular Weight:- 288.42 g/mol
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Appearance:- White or almost white crystalline powder
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Solubility:- Practically insoluble in water; soluble in alcohol and other common organic solvents
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Purity (HPLC):– Not less than 98.0%
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Loss on Drying:- Not above 0.5%
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Residue on Ignition:- Not above 0.1%
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Identification Tests:- IR, HPLC, and related standard tests
Packaging & Storage
Testosterone base is packed in sealed containers that help protect it from light and moisture. Common packs include HDPE drums or fibre drums with inner plastic bags.
Each pack is marked with the product name, batch number, net weight, and retest or expiry date.
Proper storage requires maintaining the material in cool, dry conditions away from heat sources, direct light, and humid environments.
Always reseal containers tightly after opening. Following these storage guidelines helps preserve the API’s integrity and maintains stability throughout its designated shelf life.
Why Choose Us
We keep our supply process simple and steady. Each batch is checked before release, and we provide the main papers you need, such as CoA, SDS, and basic technical data.
We also support many project stages, from early lab work to pilot scale and full production. Our aim is to give you stable quality, clear updates, and long-term support that make sourcing easier.
