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How to Get Your Peptides Tested

Register, order through the MAHI portal, send one 10 mg sealed vial and get your Certificate of Analysis in 3–5 business days for eligible routine testing. Purity and identity testing is $149 per sample.

Bottom line: Create an account, order and pay in the MAHI portal, then ship or drop off your sealed vial with the order form at 721 Cortaro Dr., Sun City Center, FL 33573. Purity and identity testing is $149 per sample, and eligible routine results arrive in 3–5 business days. Independent testing checks the actual material received against supplier claims.

Ready to test your peptides?

Send your peptide name, sample count, and the tests you need. We return a fixed-price quote, usually within one business day.

  • validated analytical methods, independent of any supplier
  • 3–5 business days for eligible routine testing
  • Traceable COA with chromatograms and method parameters
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6 Steps to Get Your Peptides Tested

1. Create an account

Create an account at ACSLabTest.com.

2. Place your order

Submit an order through the MAHI client portal and pay via Stripe.

3. Send your samples

Drop off or ship samples with the order form to 721 Cortaro Dr., Sun City Center, FL 33573. Most tests need one 10 mg sealed vial.

4. Testing

Samples are analyzed using validated instrumentation.

5. Review

Results undergo technical review and quality control verification.

6. Receive your COA

MAHI emails a notification when results are ready. Eligible routine testing has a 3–5 business day reporting window.

What Peptides Can We Test?

We test all synthetic peptides from 2 to 50+ amino acids, including these popular categories:

GLP-1 Agonists

Research Peptides

Growth Hormone Peptides

View All Peptides We Test →

Why Get Independent Peptide Testing?

Purity

Measure HPLC purity for your submitted batch

Identity

Compare the observed mass with the expected compound

Documentation

Receive a batch-specific Certificate of Analysis

Verify supplier claims with unbiased, US-based lab results

Protect your research integrity with accurate purity data

Meet regulatory and publication requirements with official COAs

Identify contaminants and impurities before they affect results

Build customer trust with independent third-party verification

Related Resources

2026 Testing Buyer's Guide

Complete guide to costs, methods, and what to expect.

Where to Get Peptides Tested

How to choose a lab and what to look for.

HPLC Purity Testing

Detailed look at our purity analysis methods.

People Also Ask: Peptide Testing

Purity and identity testing (UPLC-UV plus mass spec) is $149 per sample. Net peptide content is $99, blends of up to 5 peptides are $298, and unknown peptide analysis is $399. See the full price list on our peptide testing cost page.

Most tests need one 10 mg sealed vial. Endotoxin testing needs 2 vials, the mini contaminant package needs 3 and the full contaminant package needs 4. Keep vials sealed and labeled, and include the order form.

Eligible routine testing is reported in 3–5 business days from sample receipt. MAHI emails you when your Certificate of Analysis is ready. Complex panels and custom methods have their own confirmed timelines.

Yes. ACS Peptide Testing Labs accepts samples shipped from all 50 states, or dropped off at the lab. Results are delivered electronically, so your location doesn't limit access to our testing services.

You'll receive a comprehensive Certificate of Analysis (COA) including purity percentage, HPLC chromatograms, mass spectra (if ordered), impurity profiles, and expert interpretation of all results.

Yes. GLP-1 receptor agonists are among our most frequently tested compounds. We have validated methods optimized for Semaglutide, Tirzepatide, Retatrutide, and other GLP-1 peptides.

Independent testing from a US-based lab provides unbiased verification that protects your research integrity.

Our peptide testing services include HPLC purity testing, mass spectrometry identity confirmation, third-party COA verification, contaminant screening (heavy metals and residual solvents via ICP-MS and GC-MS), stability studies, and custom analysis. Visit our peptide testing services page at acslabtest.com/services for full details.

Yes. ACS Peptide Testing Labs provides peptide testing to researchers in all 50 US states by mail. Ship your sealed vials with the order form to our Sun City Center, Florida lab, or drop them off in person.

Ready to Get Your Peptides Tested?

Request a quote today. Ship your sample, receive your Certificate of Analysis in 3–5 business days for eligible routine testing.

(813) 590-8348info@acslabtest.com