Chain of Custody and What a Handover Record Shows
A chain of custody is a record of who held a sample, when, and what they did with it. It exists because a test result describes the material that reached the instrument…
support@exolabz.ca
Canadian regulatory status of research chemicals and how to evaluate a research peptide supplier.
A chain of custody is a record of who held a sample, when, and what they did with it. It exists because a test result describes the material that reached the instrument…
No one tests an entire batch, because testing consumes what it measures. Every certificate therefore rests on an inference from a sample to a population…
A lot number is the thread that ties a vial to the material it came from and to the testing performed on that material.
A stability study is a designed experiment: samples stored under defined conditions, tested at defined intervals, against a defined specification.
Two different dates can appear on a material record and they carry different instructions.
Every quantitative measurement is a comparison against something whose value is already known.
Suppliers cite third-party testing as proof of quality, and the strongest version of that claim is that the testing laboratory is accredited to ISO/IEC 17025.
Two vials of the same nominal mass can hold different amounts of peptide. Price per vial is not price per milligram, and the gap is often large.
The first few minutes after a shipment arrives are the point at which most correctable problems can still be caught. A short receiving routine is worth formalising.
The choice between an international and a domestic supplier is usually framed as a price comparison.
Supplier claims in this market are largely unverifiable from the outside, which makes a small number of concrete checks worth more than any amount of marketing copy.
"Research use only" is not a marketing formula. It describes a specific regulatory position…
Shop by research area
Most requested
Guides & help
5.0 from 25 customer reviewssupport@exolabz.caReplies in about an hour
Shop by research area All 44 compounds →
Most requested
Start here
Research libraryMethods, analytics and lab practice articlesResearch peptides in CanadaSourcing, testing and delivery explainedChoosing a supplierWhat to check before you orderPeptide glossaryTerms from HPLC to lyophilisationHelp centre
Your account
Programs
BPC-157 10mg
NAD+ 1000mg
MOTS-c 10mg
Selank 10mg