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The compounds researchers reach for first.
View allHow we verify
Every lot is assayed by an independent laboratory before release. Identity and purity are established by HPLC and mass spectrometry; endotoxin is measured by LAL.
The Certificate of Analysis for the batch you receive is published against the lot number and ships with the order.
The lab has a name
Every published certificate identifies the independent laboratory behind it.
Match the lot on your vial
Batch-level, not brand-level. The lot number on the vial matches the certificate.
Measured, not claimed
Purity is a measured HPLC result on the certificate, not a number printed on a label.
Independent laboratory
Named on every certificate
Certificate of Analysis
Sample certificate
GLP-3R
10 mg lyophilised powder, single vial
Lot / Batch
Your lot number
Date tested
Test date
Purity, measured
98.0%
Potency assay
10.0 mg (100 %)
of 10 mg label claim
What researchers ask before ordering
Certificates of Analysis for each lot are posted to the Lab Results page as they are completed. Contact us for the status of a specific batch.
A CoA is the independent lab report for a specific lot. It lists the identity, measured purity, and any additional panels run on that batch.
Bacteriostatic water is a reconstitution solvent used in laboratory settings. It is not included with lyophilized products.
Store sealed vials at -20°C, protected from light. Avoid repeated temperature cycling.
Stability depends on the compound and storage conditions. Refer to the storage guidance on each product page.
Orders ship once payment clears, with the options and rates shown at checkout. Lyophilized products do not require cold shipping.
All products are sold strictly for in-vitro laboratory research and are not for human or animal consumption.
See Refunds & Returns in the footer for the current policy.
Use the Contact link in the footer. Support hours are listed there.