Research-grade compounds
High-purity androgen receptor antagonists, independently verified and shipped with full certificates of analysis. UK based, fast dispatch.
Compound catalogue
RU58841
RU58841 — AR Antagonist
CAS: 154992-24-2 · Purity ≥99% HPLC
Non-steroidal antiandrogen studied for selective peripheral androgen receptor binding in follicular tissue models.
For research use only — not for human use
Pyrilutamide (KX-826)
Pyrilutamide — Selective AR Antagonist
CAS: 2140697-97-6 · Purity ≥98% HPLC
Next-generation nonsteroidal androgen receptor antagonist. Subject of ongoing clinical investigation for topical applications.
For research use only — not for human use
Bundle
Research Bundle — RU58841 + Pyrilutamide
Both compounds · COA for each included
500mg RU58841 and 250mg Pyrilutamide. Ideal for comparative research. Save vs buying separately.
For research use only — not for human use
HPLC verified
Every batch tested by high-performance liquid chromatography before dispatch.
COA included
Certificate of analysis provided with every order, no exceptions.
UK dispatched
All orders dispatched from the UK within 48 hours, fully tracked.
Compliant packaging
Correctly labelled with chemical identifiers and hazard information.
Quality assurance
We only supply compounds we can verify. Each batch is independently tested and documented. You receive the COA with your order so you know exactly what you're working with.
Follicle Sciences
Certificate of Analysis
Batch #FS-2026-041
RU58841