Sustanon 1KG Raw Powder

🌏 China Warehouse
QSC Sustanon — blended four-ester testosterone raw powder — ≥99% HPLC purity, MS confirmed, Janoshik COA. 1KG bulk. Research use only.

🌏 International shipping: 7–14 days

* 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 Sustanon Blend?

Sustanon is a blended-ester testosterone raw powder mixture combining four distinct testosterone esters — Propionate, Phenylpropionate, Isocaproate, and Decanoate — in the classic 30:60:60:100 weight-ratio formulation. The staggered ester-chain lengths (short, medium-short, medium, and long) are designed to produce sequential hydrolysis and a blended, layered release-kinetic profile rather than the single-phase kinetics of any one ester alone. Research tool for comparative esterase hydrolysis-rate studies, multi-compartment pharmacokinetic modeling, and blended-release-profile research across the androgen ester family. 1KG bulk blend for large-scale research programs. Research use only.

Research Applications

Multi-Ester Release Kinetics

Staggered esterase hydrolysis across four chain lengths, blended-release PK modeling

Comparative Ester Pharmacokinetics

Propionate vs Phenylpropionate vs Isocaproate vs Decanoate hydrolysis-rate comparison

Testosterone Ester SAR

Ester chain-length effects on lipophilicity, depot formation, and release profile

Compartmental PK Modeling

Multi-phase absorption modeling from a single blended administration

Quick Specs

Form Raw bulk powder blend (crystalline/amorphous)
Purity ≥99% by HPLC per ester component — every batch
Blend Ratio Testosterone Propionate : Phenylpropionate : Isocaproate : Decanoate — 30:60:60:100 by weight
Component CAS Numbers 57-85-2 (Propionate), 1255-49-8 (Phenylpropionate), 15262-86-9 (Isocaproate), 5721-91-5 (Decanoate)
Identity MS molecular weight confirmed per component — every batch
Compound Type Blended-Ester Testosterone Formulation
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

How is this raw powder supplied?
QSC raw powder compounds are supplied as bulk crystalline or amorphous powder in a sealed, labelled container at the stated quantity. No reconstitution is required — the powder is ready for weighing and use in research applications.
How should this raw powder be stored?
Store at room temperature (15–25°C) in a cool, dry place away from moisture, heat, and direct light. Keep in the original sealed container. Properly stored raw powder remains stable for 2–3 years.
What purity is this QSC raw powder and how is it verified?
All QSC raw powder compounds are tested to ≥99% purity by HPLC on every production batch, with MS-confirmed identity. COA is published on the product page and independently verifiable at verify.janoshik.com.
Why does Sustanon combine four different testosterone esters?
The four esters (Propionate, Phenylpropionate, Isocaproate, Decanoate) have progressively longer carbon chains, which esterases hydrolyze at different rates. Combined in one blend, this staggering is used in research to model a layered, multi-phase release profile rather than the single-phase kinetics of any one ester administered alone.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌏 International shipping: 7–14 days

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