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You're looking at a 20mg vial of custom-synthesized tirzepatide, white to off-white powder or loose lumps, and it ships in a range of sizes form 5mg up to 60mg if you need a different quantiy—just check what's in stock for the 20mg. Purity runs above 99.9% by HPLC, which is better than reagent grade for this type of work, and we usually have stock but confirm lead time (typically 2-4 weeks for custom orders).
It's a dual GIP and GLP-1 receptor agonist, basically a 39-amino-acid peptide with a molecular weight of 4813 g/mol, and what it does is mimic those incretin hormones to study metabolic pathways—mostly diabetes and obesity mechanisms in lab models. Most buyers go with the 20mg vial for dose-response work, but the 5mg or 10mg is easier to handle if you're just starting a small series.
Store it at -20°C, and don't expect it to last long at room temp—that's a hard requirment, not a suggestion, because peptide degrades pretty quickly if you're careless. One concrete thing we've noticed: the powder can clump slightly if exposed to humidity during reconstitution, so work fast with cold, sterile water.
We synthesize this through solid-phase peptide chemistry, and each batch comes with a COA showing the HPLC trace and mass spec confirmation—no guesswork on identity. It's pharmaceutical grade, but it's not suited for human use, and we don't spin that as a positive; it's just a fact for research purposes only.
Also, the CAS number is 2023788-19-2, and teh molecular formula is C225H348N48O68—roughly 4813 Da—so you can without hunting. The 20mg vial is typically a single-use format, give or take, but our company can do multi-dose vials if you're running a longer study.
