Analytical standards you can actually verify
Every vial ships with a downloadable Certificate of Analysis, HPLC purity ≥99%, and a traceable batch/lot number. Packed for laboratory receiving, USPS tracked, and dispatched same-day on orders placed before 2pm CT.
For Research Use Only. Analytical reference materials — not for human or veterinary consumption. Not approved by the FDA for therapeutic use.

Every batch
Tested before release
18+
Research compounds
≥99%
HPLC purity spec
How it works
Select your reference standards
Browse the catalog — every compound is third-party tested with a publicly downloadable COA.
Packed & shipped from the USA
Orders confirmed before 2pm CT ship the same day, packed for laboratory receiving with full dispatch-to-delivery tracking.
standard USPS delivery in discrete packaging
Standard USPS delivery in insulated, plain packaging that protects compound stability in transit.
Shop by category
Curated analytical reference standards grouped by research area.
Featured analytical standards
Our most requested reference compounds, in stock now.
Batch & COA lookup
Every lot has a downloadable third-party HPLC and mass-spec report. Search by batch number.
Look up a batchLive USPS tracking
Tracking numbers sync to your dashboard and inbox automatically the moment a label is cut.
Track an orderNew batches, restocks, and research notes
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