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    • 🇺🇸 USA Domestic
    • 🇪🇺 EU Domestic
    • 🇬🇧 UK Domestic
    • 🇦🇺 AU Domestic
    • 🇨🇦 CA Domestic
    • 🇨🇳 CH International
  • Compounds
    • Categories
      • Anti-Aging & Longevity
      • Cognitive & Nootropic
      • Cosmetics
      • Performance & Hormone Optimization
      • Recovery & Healing
      • Weight Loss & Metabolic
    • Peptides
      • Peptide Blends
    • Orals
    • Oils
    • Raws
  • Track Order
  • Contact
    • About QSC
    • Certificate of Analysis
    • Price List
    • FAQ
    • Privacy Policy
    • Return, Refund & Shipping Policy
    • Terms and Conditions
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Subtotal: $760

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FREE standard shipping on all orders.
≥99% Purity Verified • COA on Every Product
Free Shipping on All Orders • USPS/FedEx in USA 🇺🇸
Domestic Warehouses: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳

Testosterone Decanoate 1KG Raw Powder | Ultra-Long-Ester Test

QSC Testosterone Decanoate (Ultra-Long-Ester Testosterone (Decanoate)) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 1KG bulk. Research use only.

✓ 99%+ Purity ✓ COA Available
✓ Free Shipping on All Orders ✓ Ships from China (🇨🇳)

$2,300

or
SKU: QSC-010-TESTDECANOATE-1KG-RAWPOWDER
Categories: Performance & Hormone Optimization, Raws
Brand: QSC
Technical Specs & COA

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SynthesisChina Warehouse

What is Testosterone Decanoate?

Testosterone Decanoate is the longest-acting testosterone ester (C10 fatty acid) — active duration up to 2–3 weeks. The primary long-acting component of Sustanon blends. Research tool for ultra-long-exposure androgen pharmacokinetics, prolonged HPG suppression studies, and multi-ester formulation research. Research use only.

Research Applications

Ultra-Long Ester PK

Decanoate hydrolysis kinetics, prolonged serum testosterone plateau, depot effects

Sustanon Component Research

Isolated decanoate fraction PK vs complete Sustanon blend studies

Prolonged HPG Suppression

Sustained LH/FSH suppression, recovery timeline after ultra-long ester

Depot Injection Research

IM depot formation, release kinetics, tissue residence time

Comparative Ester Series

Full testosterone ester ladder: propionate→enanthate→cypionate→decanoate

Quick Specs

Form Raw bulk powder (crystalline/amorphous)
Purity ≥99% by HPLC — every batch
CAS Number 5721-91-5
Molecular Formula C₂₉H₄₆O₃, MW 446.7
Identity MS molecular weight confirmed — every batch
Compound Type Ultra-Long-Ester Testosterone (Decanoate)
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)

For the latest Certificate of Analysis (COA), please email us with your request.

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.
🧪 Peptide Research Tools: Use QSC’s free peptide calculators — reconstitution, BAC water, dosing, half-life, and mixing charts.
🌏 Shipping: China warehouse — 7–14 day global delivery
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