Acetyl Octapeptide-3

By two residues: Acetyl Octapeptide-3 continues the Acetyl Hexapeptide-8 sequence with alanine and aspartic acid (…-Arg-Arg-Ala-Asp-NH2 instead of …-Arg-Arg-NH2). The two peptides therefore have different molecular weights and CAS numbers.

Yes. A 10 mg sample was analysed by HPLC and MS at a third-party analytical laboratory in Tianjin, China. A preview is on our homepage; sales send the complete report.

One kit is 10 vials of the same product at the same strength. Each vial holds the stated amount, for example 10 mg of lyophilized peptide; the few solutions are stated per vial in mg or ml. 1 kit per product and strength. One order can combine several products and strengths, each from 1 kit.

HPLC purity, MS identity, endotoxin and fill, on the COA of every lot of a stocked peptide. The COA carries the lot number, so you can match it to the vials you receive. Yes. Ask for the COA of the batch you are quoted; the batch number on that COA is the batch we ship.

In writing, per request. Prices are tiered by the number of kits of each peptide and strength; the quotation gives the unit price per kit, the shipping cost and the lead time. We reply within 24 hours.

Because listings describe different forms: a free peptide or a salt (acetate, TFA), a copper complex or its free peptide, one peptide or a two-peptide material — and some registries keep older numbers. Each product page says which form its values refer to; the COA of the lot is the reference.