Research-grade. Nothing less.
Sequence-verified peptides, HPLC and mass-spec tested, supplied as stable lyophilized powder for in-vitro laboratory research. Consistency you can build a protocol on.
Pick any six. Save 15%.
Mix and match across the entire catalog. Choose six vials and the discount applies automatically — start with our researchers' most-ordered compounds below.
Why Researchers Choose Peptyne
In an industry where quality varies wildly, we exist to be the reliable standard — research-grade, consistently tested, and transparent from catalog to delivery.
≥98% Verified Purity
Every batch is independently analyzed by HPLC and mass spectrometry to confirm purity and molecular identity — no exceptions, no estimates.
Lyophilized for Stability
Supplied as freeze-dried powder in sealed, crimped vials for maximum shelf life and consistent results from one experiment to the next.
US Sourced & Shipped
A US-based operation with domestic fulfillment — no overseas drop-shipping, no customs delays. You always know where your materials come from.
Secure & Discreet
SSL-encrypted checkout and discreet, unbranded packaging protect your privacy from order to delivery. Your research stays your business.
Fast Domestic Fulfillment
Orders placed before 2 PM EST typically ship the same business day, with free UPS 2nd Day Air on qualifying orders.
Transparent & Compliant
Full regulatory transparency. Every product is clearly labeled Research Use Only, with our compliance standards published openly.