Product Description

Buy Testosterone Propionate Online in Australia

When you’re ready to buy Testosterone Propionate in Australia for research purposes, it’s helpful to know this fast-acting testosterone ester stands out for its quick absorption and precise hormone level control. Unlike longer-acting testosterone variants, Testosterone Propionate has a shorter half-life of approximately 4.5 days, which means researchers can achieve better control over experimental hormone levels.

Testosterone Propionate (CAS 57-85-2) is a synthetic anabolic steroid and an ester of the naturally occurring androgen testosterone. This compound is widely used in research applications due to its rapid onset and well-characterized pharmacokinetic profile. In research settings, Testosterone Propionate is valued for its ability to produce consistent and reproducible results in androgen receptor studies, muscle physiology research, and preclinical therapeutic evaluations.

Browse our research chemicals collection for other laboratory products and our full product catalog for all available research compounds.

What Is Testosterone Propionate?

Testosterone Propionate is a synthetic form of the naturally occurring male sex hormone, testosterone. It is an esterified form of testosterone with the propionate ester attached, which provides a slower release of the hormone into the bloodstream compared to non-esterified testosterone. This modification in its structure allows for a more controlled release and gradual increase in plasma testosterone levels.

The compound has the molecular formula C₂₂H₃₂O₃ and a molecular weight of 344.50 g/mol. Its IUPAC name is (17β)-3-Oxoandrost-4-en-17-yl propanoate. The CAS registry number is 57-85-2, and the EC number is 200-351-1.

Buy Testosterone Propionate Online in Australia Chemical Properties

Pharmacokinetic Profile

Testosterone Propionate is administered through intramuscular injection. Upon administration, the ester bond is broken by enzymes in the bloodstream, releasing the active testosterone. This modification in its structure allows for a more controlled release and gradual increase in plasma testosterone levels .

Typically, Testosterone Propionate has a half-life of approximately 4.5 days, which requires frequent dosing to maintain stable levels in the body . This shorter half-life compared to other testosterone esters allows for more precise control over blood levels, making it particularly valuable for research applications where rapid onset and clearance are desirable.

Key Pharmacokinetic Parameters

Research Applications

Testosterone Propionate is widely used in scientific research across multiple fields. Below is a summary of key research applications and findings:

1. Androgenetic Alopecia Research

A recent study (2026) successfully established a reproducible C57BL/6 mouse model of androgenetic alopecia (AGA) through testosterone propionate induction. This study demonstrated that subcutaneous TP administration at 1.5 mg/day for 14 days successfully induces androgenetic alopecia in C57BL/6 mice, providing a robust, reproducible, and physiologically relevant platform for mechanistic exploration and preclinical testing of therapeutic agents targeting Wnt/β-catenin signaling.

Key Findings:

• High-dose and prolonged androgen exposure caused dose- and duration-dependent hair growth inhibition 

• Dermal thinning, follicular miniaturization, and β-catenin suppression mirrored human AGA pathology 

• The regimen of 1.5 mg/day for 14 days resulted in complete growth arrest, pronounced dermal thinning, follicular depletion, and marked β-catenin suppression (p < 0.001, 0.028, and 0.017, respectively) 

Conclusion: This model provides a robust platform for mechanistic studies and preclinical therapeutic evaluation.

2. Reference Standard in Anabolic Studies

Testosterone Propionate serves as the standard reference compound in anabolic and androgenic potency studies. The foundational study by Sala, Baldratti, and Arcari (1957) established testosterone propionate with an anabolic potency of 100 and an androgenic potency of 100, serving as the baseline for comparison with other compounds. This makes it an essential reference material for researchers evaluating new anabolic compounds.

3. Muscle Mass Building Research

Testosterone Propionate is often used for muscle mass building research. The original medical indication is for the treatment of androgen deficiency in male adults. Anabolic androgenic steroids (AAS) increase body weight, fat-free mass, muscle size, and strength in healthy men receiving testosterone.

Key Research Applications:

• Modulation of androgen receptor expression and intracellular metabolism 

• Anticatabolic effects by interfering with glucocorticoid receptor expression 

• Non-genomic and genomic mechanisms of action 

Product Details

Legal Status in Australia

The legal status of Testosterone Propionate in Australia is strictly regulated. Testosterone is classified as a Schedule 4 controlled drug in Australia. The Therapeutic Goods Administration classifies it as a registered medicine. This means you cannot legally purchase Testosterone Propionate without a valid prescription from a licensed healthcare provider.

Testosterone is classified as an Anabolic Androgenic Steroid by WADA and prohibited at all times. Athletes prescribed testosterone for a legitimate therapeutic reason may be eligible for a Therapeutic Use Exemption (TUE).

Regulatory Classification

Buy Testosterone Propionate Online in Australia Legal Consequences

Warning: In Australia, it is illegal to possess steroids without a prescription. This offence can attract large fines and prison terms (up to 25 years in Queensland) .

The Australian Border Force actively monitors for unauthorized imports. If ABF intercepts a package containing steroids, the following may occur :

Lawful Importation Pathway

Only through an authorized medical and pharmacy pathway:

• A valid prescription from an Australian-registered medical practitioner

• The prescription being filled and imported through a TGA-authorized pharmacy or hospital, not by the patient directly

• Where relevant, specific TGA approval for goods brought in under a research or special access pathway

Ordering steroids from an overseas supplier, even while genuinely believing a prescription makes it legal, is still an offence. If you have a legitimate medical need, the lawful route is through your doctor and an authorized pharmacy, not a direct personal order.

Refer to the Australian Therapeutic Goods Administration (TGA) for regulatory information on controlled substances. For anti-doping information, refer to Sport Integrity Australia. For trusted health information, visit Healthdirect Australia.

Quality Standards and Certification

Testosterone Propionate is a well-characterized compound with established quality standards. Tokyo Chemical Industry (TCI) supplies Testosterone Propionate with a purity of >98.0% as determined by HPLC and UV-vis methods.

Quality Parameters

Safety Considerations

Hazard Classification

Treat as a hazardous substance. Use appropriate work practices when handling to avoid skin or eye contact, ingestion or inhalation of dust .

First Aid Measures

Storage and Handling

Why Choose Our Testosterone Propionate?

Our Testosterone Propionate is research-grade, meeting rigorous quality standards suitable for laboratory applications. We maintain Australian stock dispatched from within Australia with discreet shipping and privacy protection. Our secure packaging ensures proper containment and temperature control during transit. Our dedicated customer support team is available to assist with any product inquiries or order assistance.

Important Notice

For laboratory research use only. This product is not intended for human or veterinary use, consumption, diagnosis, treatment, or disease prevention. It is not a pharmaceutical or therapeutic agent.

Users are responsible for complying with all applicable laws, regulations, and institutional guidelines regarding the purchase, handling, and use of research chemicals. By ordering this product, you confirm that you are a qualified researcher or laboratory professional acting within the legal framework of your jurisdiction.

Research & Academic Resources

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Free Shipping Note

Enjoy free shipping on all Australian orders over $200. Discreet packaging with tracking included. Orders under $200 incur standard shipping rates. All orders are dispatched from our Australian warehouse with privacy protection guaranteed. Express delivery available upon request.