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 381-400 of 1,029 · Page 20 of 52
Date
Peptide · sold by · tested by
HPLC purity
Qty match
Feb 21, 2026
Source: shop-providedEndotoxin: < 0.05 EU/mL (PASS for both replicates)
99.92%HPLC
294%of labeled
Feb 20, 2026
99.05%HPLC
99%of labeled
Feb 20, 2026
99.96%HPLC
135%of labeled
Feb 20, 2026
Source: shop-provided
99.68%HPLC
115%of labeled
Feb 20, 2026
Source: shop-providedEndotoxin: ≤0.05 EU/mL (Pass)
99.52%HPLC
123%of labeled
Feb 19, 2026
Source: shop-providedEndotoxin: <0.05 EU/mL
99.77%HPLC
102%of labeled
Feb 19, 2026
Source: shop-providedEndotoxin: < 0.05 EU/mL (PASS for both replicates)
99.89%HPLC
219%of labeled
Feb 18, 2026
99.68%HPLC
109%of labeled
Feb 18, 2026
99.94%HPLC
139%of labeled
Feb 18, 2026
99.89%HPLC
135%of labeled
Feb 18, 2026
99.89%HPLC
122%of labeled
Feb 18, 2026
99.59%HPLC
122%of labeled
Feb 18, 2026
99.90%HPLC
96%of labeled
Feb 18, 2026
Source: shop-providedEndotoxin: Pass
99.92%HPLC
119%of labeled
Feb 18, 2026
Source: shop-providedEndotoxin: Pass
99.91%HPLC
117%of labeled
Feb 17, 2026
Source: shop-providedEndotoxin: ≤0.05 EU/mL, PASS
99.77%HPLC
103%of labeled
Feb 17, 2026
99.93%HPLC
118%of labeled
Feb 17, 2026
99.72%HPLC
138%of labeled
Feb 17, 2026
99.84%HPLC
133%of labeled
Feb 17, 2026
99.42%HPLC
96%of labeled

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

Showing 381-400 of 1,029

Browse by peptide

64 tracked

Browse by brand

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.

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