Every batch we ship is independently third-party tested for HPLC purity and LAL endotoxin, then documented on a downloadable Certificate of Analysis tied to the exact lot number on your vial. From synthesis to delivery, every vial is held to the same research-grade standard.
Every batch is independently tested for purity and endotoxin and documented on a Certificate of Analysis — searchable by lot number in our public COA archive.
Browse the catalog by pathway — from metabolic reference standards to cellular cofactors.
Handling, traceability, and documentation designed around how real labs work.
In-stock orders placed before the daily cutoff ship the same business day, cold-packed with full tracking.
Every transaction is processed over encrypted, industry-standard secure checkout — your details stay protected.
Every compound is synthesized to ≥99% HPLC purity and released only after independent verification — consistent, lot to lot.
Each lot is independently tested for HPLC purity and LAL endotoxin, documented on a per-lot Certificate of Analysis.
Questions about a lot or a certificate? Real help by email from people who actually know the catalog.
Consistent synthesis, transparent testing, and documentation you can cite — nothing you have to take on faith.
Every compound is lot-traceable and ships with a published Certificate of Analysis. Filter by research area.

Held to the standard you'd hold your own data to.
Consistent synthesis, transparent testing, and documentation you can cite. That's the whole promise — nothing you have to take on faith.
All materials supplied by STACY AND CHAD are lyophilized reference standards intended strictly for in-vitro laboratory use. By purchasing, you confirm you are a qualified researcher or institutional buyer 21 years of age or older.
STACY — Systematic Testing & Analytical Chemistry (Yield) · CHAD — Characterized High-Accuracy Delivery