Testosterone Cypionate 1KG Raw Powder | Long-Ester Test
🌏 China Warehouse
QSC Testosterone Cypionate (Long-Ester Testosterone (Cypionate)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 1KG bulk. Research use only.
* The information on this page is a summary and is not intended to cover all available information about this medication. It does not cover all possible uses, directions, precautions, drug interactions or adverse effects and is not a substitute for the expertise and judgement of your healthcare professional.
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What is Testosterone Cypionate?
Testosterone Cypionate is a long-acting cyclopentylpropionate ester of testosterone with slightly longer duration than enanthate (~8–12 days). Pharmacokinetically similar to enanthate; used for comparative ester studies and as the dominant TRT reference compound. Research use only.
Research Applications
Cypionate vs Enanthate PK
Side-by-side comparison of slightly different ester half-lives and release curves
TRT Research Models
Standard USA TRT ester — physiological testosterone repletion research
HPG Axis Research
Long-acting suppression kinetics, LH/FSH, recovery on cessation
Aromatisation
Testosterone cypionate aromatase substrate kinetics, estradiol dynamics
SHBG Interaction
Long-exposure SHBG suppression, free testosterone fraction over time
Quick Specs
| Form | Raw bulk powder (crystalline/amorphous) |
| Purity | ≥99% by HPLC — every batch |
| CAS Number | 58-20-8 |
| Molecular Formula | C₂₇H₄₀O₃, MW 412.6 |
| Identity | MS molecular weight confirmed — every batch |
| Compound Type | Long-Ester Testosterone (Cypionate) |
| COA | Janoshik-independent, publicly verifiable |
| Manufacture | In-house synthesis — Qingdao, China |
| Storage | Room temperature sealed | cool, dry storage |
| Shelf Life | 24 months (unopened) |
Certificate of Analysis (COA)
Frequently Asked Questions
Frequently asked questions
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Websites in professional use templating systems. Commercial publishing platforms and content management systems ensure that you can show different text, different data using the same template. When it’s about controlling hundreds of articles, product pages for web shops.
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