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  • Research Compounds
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      • Anti-Aging & Longevity Peptides
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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 Phenylpropionate 1KG Raw Powder | TestPP

QSC Testosterone Phenylpropionate (Short-Medium Ester Testosterone (Phenylpropionate)) — ≥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-011-TESTPHENYLPROPIONATE-1KG-RAWPOWDER
Categories: Performance & Hormone Optimization Peptides, Raw Powders, Research Peptides
Brand: QSC
Technical Specs & COA
PubMed
Disclaimer & Storage Guide

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SynthesisChina Warehouse

What is Testosterone Phenylpropionate?

Testosterone Phenylpropionate (TestPP) is a phenyl-esterified testosterone with intermediate duration (~4–5 days). Second component of Sustanon blends. The phenyl group slows hydrolysis vs simple propionate, creating a mid-range release profile. Research use only.

Research Applications

Mid-Range Ester PK

Phenylpropionate hydrolysis dynamics — faster than enanthate, slower than propionate

Sustanon Component Research

Isolated TestPP contribution to multi-ester Sustanon serum profile

Phenyl Ester Pharmacology

Phenyl group effect on esterase substrate specificity, release kinetics

Androgen Receptor Research

Testosterone AR activation after phenylpropionate ester hydrolysis

Multi-Ester Formulation

TestPP as mid-acting component in blended testosterone preparations

Quick Specs

Form Raw bulk powder (crystalline/amorphous)
Purity ≥99% by HPLC — every batch
CAS Number 1255-49-8
Molecular Formula C₂₈H₃₆O₃, MW 420.6
Identity MS molecular weight confirmed — every batch
Compound Type Short-Medium Ester Testosterone (Phenylpropionate)
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
🧬 PubMed Research — Phenylpropionate
Search PubMed ↗
5,521 publications found Last 10 years 3 most recent shown
42070482
Multi-view semi-supervised adversarial attention network for drug repurposing.
Fan M et al. · Comput Methods Programs Biomed 2026 View ↗
42061805
Lactylation of HIF-1α at K172 drives HIF-1 complex assembly to promote hypoxia-induced immune evasion in esophageal squamous cell carcinoma.
Cong J et al. · Cancer Lett 2026 View ↗
42048934
A validated chiral LC-MS/MS method for enantioselective quantification of aromatic lactic acids in human faeces.
Gaafar AM et al. · J Chromatogr A 2026 View ↗

Showing 3 of 5,521 for Phenylpropionate

View all on 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.

📋

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.
🧪

General Safety & Handling

🚫

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.

🥽

PPE Required

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

🌡️

Storage Compliance

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

🗑️

Proper Disposal

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

🧾

Verify Quality

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

❄️

Peptide Storage Guidelines

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

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