HPLC purity database · independent lab data

Peptide Lab Tests

We aggregate 10,489 third-party lab tests covering HPLC purity, endotoxin levels, and quantity verification from independent laboratories. Every report is submitted by the community and verified before publication.

Lab tests
10,489
Peptides tested
64
Brands analyzed
234

Latest lab tests

Showing 21-34 of 34 · Page 2 of 2
Date
Peptide · sold by · tested by
HPLC purity
Qty match
Dec 20, 2025
99.39%HPLC
130%of labeled
Dec 18, 2025
Source: shop-providedEndotoxin: <0.05 EU/mg
99.10%HPLC
100%of labeled
Nov 21, 2025
Source: shop-providedEndotoxin: < 0.001 EU/mg
99.60%HPLC
95%of labeled
Nov 13, 2025
Kensington Labs · Janoshik Labs 🔍
Source: shop-provided
99.75%HPLC
103%of labeled
Nov 12, 2025
Source: shop-provided
99.28%HPLC
96%of labeled
Oct 12, 2025
Source: shop-providedEndotoxin: < 0.001 EU/mg
99.50%HPLC
102%of labeled
Sep 8, 2025
Source: shop-provided
99.42%HPLC
99%of labeled
Aug 27, 2025
99.26%HPLC
98%of labeled
Jul 22, 2025
Source: shop-provided
99.15%HPLC
107%of labeled
Jun 19, 2025
99.63%HPLC
102%of labeled
Jun 16, 2025
99.01%HPLC
99%of labeled
Feb 28, 2025
99.23%HPLC
101%of labeled
Nov 11, 2024
Source: shop-provided
98.84%HPLC
98%of labeled
Jun 25, 2024
Source: shop-provided
97.00%HPLC
106%of labeled

🔍 = this test's lab publishes a public COA verification portal you can check the result against.

Showing 21-34 of 34

Browse by peptide

64 tracked

Browse by brand

234 brands

Understanding lab tests

01 · HPLC

What Is HPLC Purity Testing?

High-Performance Liquid Chromatography (HPLC) is the gold standard for measuring peptide purity. It separates compounds in a sample and measures the percentage of the target peptide versus impurities. 98%+ is pharmaceutical grade; 95%+ is research grade.

02 · Endotoxins

Understanding Endotoxin Levels

Endotoxins are bacterial lipopolysaccharides that can cause fever and inflammation. The FDA limit for injectable products is 5 EU/kg body weight per hour. Results below 0.1 EU/mg are typically considered safe for research applications.

03 · Submit

How to Submit Your Lab Test

Help the community by submitting your third-party lab test results. You'll need the original certificate from an accredited laboratory, details about the peptide and brand tested, and the testing date. All submissions are reviewed before publication.

Have a lab test COA?

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