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  • 🇺🇸 USA Domestic
  • Warehouses
    • 🇪🇺 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
    • Tablets
    • Injectables
    • Raws
  • Track Order
  • Contact
    • About QSC
      • QSC Price List
      • QSC Reviews
      • QSC FAQ
      • Privacy Policy
      • Return, Refund & Shipping Policy
      • Terms and Conditions
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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: 🇺🇸 🇪🇺 🇬🇧 🇨🇦 🇦🇺 🇸🇬 🇹🇭 🇻🇳

Finasteride 100G Raw Powder | 5α-Reductase Inhibitor

QSC Finasteride (5α-Reductase Type II Inhibitor) — ≥99% HPLC purity, MS confirmed, Janoshik COA. 100G bulk. Research use only.

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

$900

or
SKU: QSC-053-FINASTERIDE-100G-RAWPOWDER
Category: Raws
Brand: QSC
Technical Specs & COA

QSC RESEARCH GRADE

≥99% HPLC PurityMS ConfirmedJanoshik COAIn-House SynthesisChina Warehouse

What is Finasteride?

Finasteride is a competitive 5α-reductase Type II inhibitor — reduces testosterone-to-DHT conversion by ~70%. Research tool for androgenetic alopecia, BPH, DHT-mediated tissue biology, and T vs DHT pharmacology. Large-scale powder for high-throughput 5α-reductase inhibition research and formulation development. Research use only.

Research Applications

5α-Reductase Inhibition

Type II isoform competitive inhibition — T→DHT conversion block, Ki determination

DHT-Mediated Biology

Prostate stromal-epithelial signalling, hair follicle DHT sensitivity, skin

BPH Research

Prostatic DHT reduction, stromal volume, inflammatory pathway modulation

Androgenetic Alopecia

Scalp DHT reduction, follicle miniaturisation reversal, dermal papilla research

HPG Axis at Low DHT

Finasteride impact on hypothalamic negative feedback, LH/FSH dynamics

Quick Specs

Form Raw bulk powder (crystalline/amorphous)
Purity ≥99% by HPLC — every batch
CAS Number 98319-26-7
Molecular Formula C₂₃H₃₆N₂O₂, MW 372.5
Identity MS molecular weight confirmed — every batch
Compound Type 5α-Reductase Type II Inhibitor
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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