QSC RESEARCH GRADE
≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House Synthesis5-Region Domestic Shipping
What is Testosterone Propionate?
Testosterone Propionate (Short-acting esterified testosterone (injectable)) is a testosterone propionate ester — C₂₂H₃₂O₃, MW 344.5. Shortest-chain testosterone ester providing rapid onset (peak ~24–36h, active ~2–3 days). Requires more frequent administration than longer esters. Free testosterone activates the androgen receptor (AR). Aromatases to oestradiol via CYP19A1.
Research Applications
Short-Acting Androgen Models
Rapid-onset testosterone delivery for acute AR activation studies
Androgen Receptor Biology
AR binding, nuclear translocation, androgen-responsive gene expression
Pharmacokinetic Research
Short half-life enables precise peak-and-trough testosterone studies
Aromatisation Research
CYP19A1 conversion to oestradiol — oestrogenic co-effects
HPG Axis Research
Rapid suppression/recovery kinetics of the hypothalamic-pituitary-gonadal axis
Quick Specs
| Form | Oil-based injectable solution |
| Concentration | 100mg/mL |
| CAS | 57-85-2 |
| Molecular Formula | C₂₂H₃₂O₃ |
| MW | 344.5 Da |
| Purity | ≥99% by HPLC — every batch |
| Identity | MS molecular weight confirmed — every batch |
| COA | Janoshik-independent, publicly verifiable |
| Vehicle | Pharmaceutical-grade carrier oil + benzyl alcohol/benzoate |
| Storage | Room temp sealed | 2–8°C recommended |
| Shelf Life | 24 months (unopened) |




