Mechanism
IGF-1 LR3 is a long-arginine-3 analog of IGF-1, engineered for an extended serum half-life relative to the native hormone, studied in cell-proliferation research models.
Form & storage
Supplied as a lyophilized powder in a sealed glass vial. Store refrigerated, and reconstitute with bacteriostatic water immediately before laboratory use.
Reading a certificate of analysis (COA)
Check the testing method (HPLC and mass spectrometry), the measured purity percentage, the lot number, and the testing lab's identity, and cross-check the lot number printed on the vial against the published COA.