Testosterone Cypionate
Cyclopentyl ester testosterone. Extended half-life profile.
Also known as: TC · Test C · TEST CYPIONATE · C250 · Cypionate
CAS 58-20-8 · C27H40O3
Lead time
Ships in 3–5 days
Purity
99.1%
CAS Number
58-20-8
Molecular Weight
412.6
Formula
C27H40O3
Form
Oil solution 200mg/mL
Packaging
10mL vial
Storage
Room temperature, oil solution
Solubility
Oil-based carrier
Chemical structure

2D structure · Source: PubChem (NIH)
Research applications
Testosterone cypionate is a cyclopentylpropionate ester of testosterone with an extended-release pharmacokinetic profile. It is used as a reference compound in androgen-receptor assays, depot-release kinetics research, and ester-structure-activity comparisons. Supplied as a research-grade oil solution for analytical and receptor studies.
Referenced literature
- [1]Bhasin S., et al. "Testosterone therapy in men with hypogonadism: an Endocrine Society clinical practice guideline." Journal of Clinical Endocrinology & Metabolism, 2018.
Selected peer-reviewed literature for research context — not medical advice.
Quality Documentation
How we verifyRaw material screening
Off-spec lots never enter synthesis
In-process monitoring
Intermediates characterized at checkpoints
HPLC-MS verification
Identity, purity & quantitation per batch
A batch-specific COA ships with every order — see the format before you buy.
Request sample COAFrequently asked questions
What is Testosterone Cypionate?
Testosterone cypionate is a cyclopentylpropionate ester of testosterone with an extended-release pharmacokinetic profile. It is used as a reference compound in androgen-receptor assays, depot-release kinetics research, and ester-structure-activity comparisons. Supplied as a research-grade oil solution for analytical and receptor studies.
What purity is Testosterone Cypionate?
99.1% purity, HPLC-MS verified per batch.
What is the CAS number of Testosterone Cypionate?
CAS 58-20-8 · Molecular formula C27H40O3 · Molecular weight 412.6.
How long does Testosterone Cypionate take to ship?
Ships in 3–5 days after order confirmation.
How should Testosterone Cypionate be stored?
Room temperature, oil solution. Solubility: Oil-based carrier.
Is Testosterone Cypionate for human use?
No. Testosterone Cypionate is a research compound for laboratory research use only — not for human or veterinary use.
For pricing and availability of Testosterone Cypionate, contact our research team.
For laboratory research use only.
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