Testosterone Isocaproate 1KG Raw Powder | Medium-Ester Test
🌏 China Warehouse
QSC Testosterone Isocaproate (Medium-Ester Testosterone (Isocaproate)) — ≥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 Isocaproate?
Testosterone Isocaproate is a branched-chain medium-duration ester (~7–9 days). Third component of Sustanon blends. The isocaproate (4-methylpentanoate) ester provides intermediate release kinetics between phenylpropionate and decanoate. Research use only.
Research Applications
Sustanon Component Research
Isolated isocaproate contribution to multi-ester blend serum testosterone profile
Medium-Duration Ester PK
Isocaproate hydrolysis kinetics, depot residence, 7–9 day active window
Branched Ester Pharmacology
Branched vs linear ester effect on esterase substrate affinity and hydrolysis rate
Multi-Ester Formulation
Isocaproate as bridge component between fast and ultra-long esters in blends
Comparative Ester Series
TestPP vs TestIC vs TestD — progressive ester chain length effects on PK
Quick Specs
| Form | Raw bulk powder (crystalline/amorphous) |
| Purity | ≥99% by HPLC — every batch |
| CAS Number | 15262-86-9 |
| Molecular Formula | C₂₅H₃₈O₃, MW 390.6 |
| Identity | MS molecular weight confirmed — every batch |
| Compound Type | Medium-Ester Testosterone (Isocaproate) |
| 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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