PremiumPeptides

Library

Research Library

Reference material on peptide chemistry, the analytical methods behind documentation, and how to read what a record actually says.

Fundamentals

5 min read

What Are Peptides?

The structural definition of a peptide, how the chains are assembled, and why chain length is the distinction that matters.

Read

Analysis

6 min read

Understanding Peptide Purity

A purity percentage answers a narrower question than most people assume. What the number measures, and what it leaves out.

Read

Methods

6 min read

What HPLC Analysis Shows

How high-performance liquid chromatography separates a sample, how to read the chromatogram it produces, and the limits of what it can establish.

Read

Methods

6 min read

Understanding Mass Spectrometry

How a mass spectrometer measures molecular mass, why a matching mass supports an identity conclusion, and what the measurement cannot resolve.

Read

Documentation

4 min read

Why Lot Numbers Matter

A lot number is the link between a physical container and the records that describe it. Without it, documentation is unverifiable.

Read

Documentation

6 min read

Reading a Certificate of Analysis

What each section of a certificate of analysis is asserting, and how to tell a document that reports measurements from one that reports adjectives.

Read

These articles explain research concepts and analytical methods. They contain no dosing protocols, reconstitution or administration instructions, or recommendations regarding human use, and nothing in them should be interpreted as medical advice.

Apply it to a real record.

Enter a lot number to see how the fields described here appear on an actual documentation record.

Lot LookupView Compounds