CP

Latest Insights

Practical guides written by peptide chemists and sourcing specialists.

Choosing A CRO Partner

Peptide Sourcing Resources — Where To Start When Buying From China

A short list of directories and catalogs we point buyers to when they're evaluating Chinese peptide suppliers for the first time.

June 1, 20262 min read

Choosing A CRO Partner

Contract Terms That Protect Peptide Buyers

Practical guide to contract terms that protect peptide buyers — written for researchers and procurement teams sourcing peptides internationally.

July 14, 20252 min read

Choosing A CRO Partner

Due Diligence Checklist For Peptide Procurement

Practical guide to due diligence checklist for peptide procurement — written for researchers and procurement teams sourcing peptides internationally.

July 11, 20252 min read

Choosing A CRO Partner

Switching Peptide Suppliers Mid Project

Practical guide to switching peptide suppliers mid project — written for researchers and procurement teams sourcing peptides internationally.

July 8, 20252 min read

Choosing A CRO Partner

Technical Support Quality In Peptide CROs

Practical guide to technical support quality in peptide cros — written for researchers and procurement teams sourcing peptides internationally.

July 5, 20252 min read

Choosing A CRO Partner

Single Source vs Multi Source Peptide Supply

Practical guide to single source vs multi source peptide supply — written for researchers and procurement teams sourcing peptides internationally.

July 2, 20252 min read

Choosing A CRO Partner

Red Flags When Evaluating Peptide Vendors

Practical guide to red flags when evaluating peptide vendors — written for researchers and procurement teams sourcing peptides internationally.

June 29, 20252 min read

OEM Peptide Manufacturing

Supply Agreement Structures For Peptide OEM

Practical guide to supply agreement structures for peptide oem — written for researchers and procurement teams sourcing peptides internationally.

June 26, 20252 min read

OEM Peptide Manufacturing

Packaging Options For Peptide OEM

Practical guide to packaging options for peptide oem — written for researchers and procurement teams sourcing peptides internationally.

June 23, 20252 min read

OEM Peptide Manufacturing

Scaling From Pilot To Commercial Batches

Practical guide to scaling from pilot to commercial batches — written for researchers and procurement teams sourcing peptides internationally.

June 20, 20252 min read

OEM Peptide Manufacturing

Regulatory Docs For OEM Peptide Partners

Practical guide to regulatory docs for oem peptide partners — written for researchers and procurement teams sourcing peptides internationally.

June 17, 20252 min read

OEM Peptide Manufacturing

Bulk Peptide Pricing Models

Practical guide to bulk peptide pricing models — written for researchers and procurement teams sourcing peptides internationally.

June 14, 20252 min read

OEM Peptide Manufacturing

Private Label Peptide Programs

Practical guide to private label peptide programs — written for researchers and procurement teams sourcing peptides internationally.

June 11, 20252 min read

PEGylation Methods

Branched PEG Strategies For Peptides

Practical guide to branched peg strategies for peptides — written for researchers and procurement teams sourcing peptides internationally.

June 8, 20252 min read

PEGylation Methods

Purifying PEGylated Peptides By HPLC

Practical guide to purifying pegylated peptides by hplc — written for researchers and procurement teams sourcing peptides internationally.

June 5, 20252 min read

PEGylation Methods

PEGylation Impact On Receptor Binding

Practical guide to pegylation impact on receptor binding — written for researchers and procurement teams sourcing peptides internationally.

June 2, 20252 min read

PEGylation Methods

Click Chemistry For PEG Attachment

Practical guide to click chemistry for peg attachment — written for researchers and procurement teams sourcing peptides internationally.

May 30, 20252 min read

PEGylation Methods

Site Specific vs Random PEGylation

Practical guide to site specific vs random pegylation — written for researchers and procurement teams sourcing peptides internationally.

May 27, 20252 min read

PEGylation Methods

PEG Size Selection For Peptide Half Life

Practical guide to peg size selection for peptide half life — written for researchers and procurement teams sourcing peptides internationally.

May 24, 20252 min read

Cyclic Peptides Explained

Lactam Bridge Cyclization Methods

Practical guide to lactam bridge cyclization methods — written for researchers and procurement teams sourcing peptides internationally.

May 21, 20252 min read

Cyclic Peptides Explained

Macrocyclic Peptide Drug Development

Practical guide to macrocyclic peptide drug development — written for researchers and procurement teams sourcing peptides internationally.

May 18, 20252 min read

Cyclic Peptides Explained

Cyclic Peptide Stability In Serum

Practical guide to cyclic peptide stability in serum — written for researchers and procurement teams sourcing peptides internationally.

May 15, 20252 min read

Cyclic Peptides Explained

Head To Tail Cyclization Step By Step

Practical guide to head to tail cyclization step by step — written for researchers and procurement teams sourcing peptides internationally.

May 12, 20252 min read

Cyclic Peptides Explained

Stapled Peptide Design Principles

Practical guide to stapled peptide design principles — written for researchers and procurement teams sourcing peptides internationally.

May 9, 20252 min read

Cyclic Peptides Explained

Disulfide Bond Formation Strategies

Practical guide to disulfide bond formation strategies — written for researchers and procurement teams sourcing peptides internationally.

May 6, 20252 min read

Custom Synthesis Guide

Peptide Storage And Handling Tips

Practical guide to peptide storage and handling tips — written for researchers and procurement teams sourcing peptides internationally.

May 3, 20252 min read

Custom Synthesis Guide

Solubilizing Hydrophobic Peptides

Practical guide to solubilizing hydrophobic peptides — written for researchers and procurement teams sourcing peptides internationally.

April 30, 20252 min read

Custom Synthesis Guide

Fmoc vs Boc Chemistry Comparison

Practical guide to fmoc vs boc chemistry comparison — written for researchers and procurement teams sourcing peptides internationally.

April 27, 20252 min read

Custom Synthesis Guide

Peptide Library Design Strategies

Practical guide to peptide library design strategies — written for researchers and procurement teams sourcing peptides internationally.

April 24, 20252 min read

Custom Synthesis Guide

D-Amino Acid Incorporation Guide

Practical guide to d-amino acid incorporation guide — written for researchers and procurement teams sourcing peptides internationally.

April 21, 20252 min read

Custom Synthesis Guide

Difficult Sequences And How To Handle Them

Practical guide to difficult sequences and how to handle them — written for researchers and procurement teams sourcing peptides internationally.

April 18, 20252 min read

Custom Synthesis Guide

Choosing Resin For Your Peptide

Practical guide to choosing resin for your peptide — written for researchers and procurement teams sourcing peptides internationally.

April 15, 20252 min read

Custom Synthesis Guide

Solid Phase Peptide Synthesis Basics

Practical guide to solid phase peptide synthesis basics — written for researchers and procurement teams sourcing peptides internationally.

April 12, 20252 min read

Peptide Manufacturing In China

Why Chinese Peptide Prices Vary So Much

Practical guide to why chinese peptide prices vary so much — written for researchers and procurement teams sourcing peptides internationally.

April 9, 20252 min read

Peptide Manufacturing In China

Lead Times From Chinese Peptide Factories

Practical guide to lead times from chinese peptide factories — written for researchers and procurement teams sourcing peptides internationally.

April 6, 20252 min read

Peptide Manufacturing In China

Quality Audits For Overseas Peptide Buyers

Practical guide to quality audits for overseas peptide buyers — written for researchers and procurement teams sourcing peptides internationally.

April 3, 20252 min read

Peptide Manufacturing In China

Building A China Sourcing Strategy

Practical guide to building a china sourcing strategy — written for researchers and procurement teams sourcing peptides internationally.

March 31, 20252 min read

Peptide Manufacturing In China

GMP vs Research Grade Peptides From China

Practical guide to gmp vs research grade peptides from china — written for researchers and procurement teams sourcing peptides internationally.

March 28, 20252 min read

Peptide Manufacturing In China

Cost Structure Of Chinese Peptide Manufacturing

Practical guide to cost structure of chinese peptide manufacturing — written for researchers and procurement teams sourcing peptides internationally.

March 25, 20252 min read

Peptide Manufacturing In China

Cold Chain Shipping From China

Practical guide to cold chain shipping from china — written for researchers and procurement teams sourcing peptides internationally.

March 22, 20252 min read

Peptide Manufacturing In China

China Peptide Export Regulations Explained

Practical guide to china peptide export regulations explained — written for researchers and procurement teams sourcing peptides internationally.

March 19, 20252 min read

Peptide Purity Standards

Comparing Purity Grades Across Suppliers

Practical guide to comparing purity grades across suppliers — written for researchers and procurement teams sourcing peptides internationally.

March 16, 20252 min read

Peptide Purity Standards

Impurity Profiling At Scale

Practical guide to impurity profiling at scale — written for researchers and procurement teams sourcing peptides internationally.

March 13, 20252 min read

Peptide Purity Standards

Purity Requirements For In Vivo Studies

Practical guide to purity requirements for in vivo studies — written for researchers and procurement teams sourcing peptides internationally.

March 10, 20252 min read

Peptide Purity Standards

Mass Spectrometry Confirmation Best Practices

Practical guide to mass spectrometry confirmation best practices — written for researchers and procurement teams sourcing peptides internationally.

March 7, 20252 min read

Peptide Purity Standards

Reading An HPLC Chromatogram For Peptides

Practical guide to reading an hplc chromatogram for peptides — written for researchers and procurement teams sourcing peptides internationally.

March 4, 20252 min read

Peptide Purity Standards

Deletion Sequences And Why They Matter

Practical guide to deletion sequences and why they matter — written for researchers and procurement teams sourcing peptides internationally.

March 1, 20252 min read

Peptide Purity Standards

Why Your Peptide COA Might Be Misleading

Practical guide to why your peptide coa might be misleading — written for researchers and procurement teams sourcing peptides internationally.

February 26, 20252 min read

Peptide Purity Standards

HPLC vs LC-MS For Peptide QC

Practical guide to hplc vs lc-ms for peptide qc — written for researchers and procurement teams sourcing peptides internationally.

February 23, 20252 min read

Choosing A CRO Partner

Choosing A CRO Partner For Peptide Projects

What to evaluate when outsourcing peptide work to a contract research organization.

February 15, 20251 min read

Custom Synthesis Guide

How Long Peptides Are Produced

Synthesis strategies for peptides beyond 50 amino acids — fragment coupling, ligation, and native chemical ligation.

February 12, 20251 min read

OEM Peptide Manufacturing

OEM Peptide Manufacturing — What Partners Should Know

How OEM peptide production works for distributors and companies building branded product lines.

February 8, 20251 min read

PEGylation Methods

PEGylation Methods — What Works And What Doesn't

Linear, branched, and site-specific PEGylation strategies for peptide drug development.

February 5, 20251 min read

Cyclic Peptides Explained

Cyclic Peptides Explained

Head-to-tail, disulfide, and side-chain cyclization — when each approach makes sense.

February 1, 20251 min read

Custom Synthesis Guide

Custom Peptide Synthesis — A Practical Guide

Everything you need to know before placing your first custom peptide order.

January 28, 20251 min read

Peptide Manufacturing In China

Large Scale Peptide Production Explained

How peptide synthesis scales from milligrams to kilograms — and what changes at each stage.

January 25, 20251 min read

Peptide Purity Standards

Understanding Peptide Purity Standards

What HPLC purity numbers actually mean and how to pick the right grade for your application.

January 22, 20251 min read

Choosing A CRO Partner

How To Choose A Reliable Peptide Supplier

A practical checklist for evaluating peptide suppliers — beyond price comparisons and marketing claims.

January 18, 20251 min read

Peptide Manufacturing In China

Top Peptide Manufacturing Trends In China

What's actually changing in China's peptide production landscape — from automation to export logistics.

January 15, 20251 min read