Drug Substance & Excipients

Trusted Testing Solutions for Pharmaceutical Excipients & Drug Substances

Purity you can prove. Compliance you can count on.

When impurities cross the threshold, everything stops. Production halts, timelines slip, and costs climb as your team scrambles to re-evaluate the drug substance — a scenario no pharma manufacturer wants to face. That's why forward-thinking labs build pharma-grade related substances testing protocols into every stage of development, backed by rigorous drug substance characterization testing, to catch risk before it becomes a crisis.

Your drug substance is the beating heart of your product — the active pharmacological ingredient driving real therapeutic outcomes. But it never works alone. It's formulated hand-in-hand with pharmaceutical excipients, and the truth is simple: a product is only as strong as its weakest ingredient. Every drug excipient you choose deserves the same scrutiny as the API itself, and every batch of pharma excipients you source should meet that same bar. That's why raw material quality isn't a checkbox — it's the foundation your entire formulation stands on. Confidence starts with knowing exactly what's in your product, down to the last excipient.

One partner. Every answer.

PerkinElmer brings you the analytical firepower to move fast without cutting corners. Our solutions deliver the data you need to slash compliance risk and stay ahead of GMP standards — spanning pharmaceutical raw material testing workflows, drug substance assay, and best-in-class excipient analytical testing services that confirm identity, purity, and performance every time. And because what surrounds your drug matters as much as what's inside it, we go further with extractables and leachables studies that protect against unwanted interactions with pharmaceutical primary packaging — so nothing unexpected ever reaches your patients.

Identity. Strength. Purity. The attributes that define a drug substance's success — backed by the instruments, consumables, and services only PerkinElmer can deliver.

Talk to our experts and put purity to the test.