What to Check When a Research Peptide Order Arrives
A goods-in checklist for research peptides: batch matching, the recognised freeze-dried cake defects, and what appearance cannot tell you.
Archive
Tag: Peptide COA Canada
How certificates of analysis for research peptides work: what HPLC purity and mass-spectrometry identity results show and how to match a report to a batch.
Co-Formulated Peptide Vials: What a Blend’s Certificate Can Prove
A single purity figure underdetermines a co-formulated peptide vial. What area percent measures, why it is not the component ratio.
Lot Number and Batch Traceability: What the Number on a Vial Tells You
What a lot number is in the regulations the convention comes from, how lot and batch differ, what records have to sit behind the number, how a retest date differs from an expiry date, and what a lot number cannot prove on its own.
COA vs SDS vs Specification Sheet: The Documents Behind a Research Peptide
COA vs SDS vs spec sheet: a COA reports one lot, an SDS covers hazards under WHMIS and a spec sheet defines the product. What each can and can't prove.
LC-MS Explained: How a Peptide’s Identity Is Confirmed
What LC-MS is, how electrospray turns a peptide into multiply charged ions, what a mass match does and does not prove, and the three things on a certificate that LC-MS cannot answer.
Research Peptide Glossary: 46 Terms Every Lab Should Know
Plain-English definitions of 46 research-peptide terms, from HPLC, mass spectrometry and COAs to counter-ions, net peptide content, molarity, RUO and DIN, grouped by topic.
Peptides in Canada: 24 Questions Canadians Ask on Reddit, Answered
Are peptides legal in Canada? Will customs seize an overseas order? Are COAs faked? Straight, sourced answers to the 24 peptide questions Canadians ask most on Reddit.
How to Read a Peptide Mass Spectrum: Charge States, Isotopes and Adducts
How to read a peptide mass spectrum: what m/z means, why one peptide shows several peaks, isotope spacing, deconvolution, adducts, and what mass spec can't tell you.
Endotoxin in Research Peptides: What It Is and Why It Matters
Endotoxin explained for peptide researchers: what LPS is, why trace amounts skew immune and inflammation assays, how LAL testing works, and the controls labs use.
How Research Peptides Are Made: Solid-Phase Peptide Synthesis Explained
How research peptides are made: solid-phase peptide synthesis step by step, why errors compound with length, where impurities come from, and what a COA can catch.
