HPLC purity database · independent lab data

Peptide Lab Tests

We aggregate 10,454 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
10,454
Peptides tested
64
Brands analyzed
233

Latest lab tests

Showing 341-360 of 1,025 · Page 18 of 52
Date
Peptide · sold by · tested by
HPLC purity
Qty match
Mar 2, 2026
Source: shop-provided
99.87%HPLC
121%of labeled
Mar 2, 2026
Source: shop-providedEndotoxin: <0.5
99.90%HPLC
103%of labeled
Mar 2, 2026
Source: shop-provided
99.70%HPLC
111%of labeled
Feb 28, 2026
99.92%HPLC
107%of labeled
Feb 28, 2026
99.80%HPLC
114%of labeled
Feb 28, 2026
Source: shop-providedEndotoxin: <0.68 EU/mL
99.79%HPLC
124%of labeled
Feb 27, 2026
99.88%HPLC
105%of labeled
Feb 27, 2026
99.00%HPLC
99%of labeled
Feb 27, 2026
99.00%HPLC
105%of labeled
Feb 27, 2026
99.80%HPLC
111%of labeled
Feb 27, 2026
99.80%HPLC
110%of labeled
Feb 27, 2026
99.80%HPLC
113%of labeled
Feb 27, 2026
Source: shop-providedEndotoxin: Pass (Replicate 1 & 2)
99.85%HPLC
111%of labeled
Feb 27, 2026
Source: shop-providedEndotoxin: Pass (Replicate 1 & 2)
99.91%HPLC
108%of labeled
Feb 27, 2026
Source: shop-provided
99.78%HPLC
110%of labeled
Feb 27, 2026
99.77%HPLC
102%of labeled
Feb 27, 2026
Source: shop-providedEndotoxin: ≤0.65 EU/mL
99.79%HPLC
118%of labeled
Feb 26, 2026
Source: shop-provided
99.70%HPLC
110%of labeled
Feb 26, 2026
Source: shop-provided
99.80%HPLC
110%of labeled
Feb 26, 2026
100.00%HPLC
106%of labeled

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

Showing 341-360 of 1,025

Browse by peptide

64 tracked

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233 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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