Testosterone Enanthate 300mg/mL Injectable | 10-Vial Kit

Testosterone Enanthate 250mg/mL — long-acting esterified testosterone, 10-vial kit. ≥99% HPLC purity, MS confirmed, Janoshik COA. Research use only.

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

$300

or
SKU: QSC-TESTOSTERONE-ENAN-300MG-ML-10VIAL
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QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SynthesisChina Warehouse

What is Testosterone Enanthate?

Testosterone Enanthate (Long-acting esterified testosterone (injectable)) is a testosterone enanthate ester — C₂₆H₄₀O₃, MW 400.6. Esterified testosterone hydrolysed to free testosterone after intramuscular injection (peak ~2–4 days, active ~10–14 days). Free testosterone activates the androgen receptor (AR) producing anabolic effects in muscle, bone, and CNS. Aromatases to oestradiol via CYP19A1 — both AR and ERα/β signalling.

Research Applications

Androgen Receptor Biology

AR binding, nuclear translocation, androgen-responsive gene expression

TRT Research Model

Male hypogonadism, testosterone restoration, androgen deficiency

Muscle Anabolism

Protein synthesis, IGF-1 upregulation, satellite cell activation

Aromatisation Research

CYP19A1 conversion to oestradiol — oestrogenic co-effects

HPG Axis Feedback

Hypothalamic-pituitary-gonadal axis suppression and recovery

Quick Specs

Form Oil-based injectable solution
Concentration 250mg/mL
CAS 315-37-7
Molecular Formula C₂₆H₄₀O₃
MW 400.6 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)

Certificate of Analysis (COA)

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

Frequently Asked Questions

How is QSC Testosterone supplied?
QSC Testosterone esters are supplied as ready-to-use oil-based injectable solutions — no reconstitution required. Each vial contains the stated concentration in pharmaceutical-grade carrier oil. Warm the vial briefly in your hand before drawing.
How should injectable Testosterone be stored?
Store at room temperature (15–25°C), away from direct sunlight. Oil-based testosterone solutions are stable for 2–3 years properly stored. Do not refrigerate as this can cause crystallisation of the ester in the oil.
What purity is QSC Testosterone and how is it verified?
QSC Testosterone injectable solutions are ≥99% HPLC pure with MS-confirmed identity on every batch. 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
🧬 PubMed Research — Enanthate
Search PubMed ↗

Source: PubMed / NCBI  ·  Last 10 years  ·  Refreshed every 24 hours  ·  For research reference only — not clinical guidance.

⚠️ RESEARCH USE ONLY — NOT FOR HUMAN CONSUMPTION

QSC products are strictly for in vitro and in vivo laboratory research. Not intended for diagnostic, therapeutic, or personal use.

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Research Use Disclaimer

All QSC products are strictly for laboratory, scientific, and research use only. They are not for human consumption, medical treatment, diagnosis, or disease prevention.

By purchasing or using QSC products, you confirm:

  • You are a qualified researcher or acting under the supervision of one.
  • Products will only be used for legitimate research purposes.
  • Products are not evaluated by the FDA or any regulatory authority for human use.
  • You assume all responsibility for legal compliance, proper handling, and storage.
  • You meet the legal age requirement in your jurisdiction.
No Warranty: Products are sold “as is,” with no express or implied warranties regarding efficacy, safety, or suitability. Results in research may vary. QSC is not responsible for outcomes, interpretations, or conclusions drawn from any studies conducted using these products.
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General Safety & Handling

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Not for Human Use

These compounds are for research only. Any off-label, personal, or clinical use is strictly outside the intended scope of supply.

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PPE Required

Always use appropriate personal protective equipment (gloves, lab coat, eye protection) when handling peptides.

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Storage Compliance

Follow product-specific storage conditions to maintain identity, purity, and biological activity.

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Proper Disposal

Dispose of all materials in accordance with institutional biosafety, chemical waste, and hazardous material protocols.

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Verify Quality

Janoshik COAs are available on every product page. Verify batch identity (MS confirmed) and purity (≥99% HPLC) before use.

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Peptide Storage Guidelines

🌑 Light-protected💧 Low moisture🌡️ Stable temperature🔬 Sterile handling

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