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 121-140 of 257 · Page 7 of 13
Date
Peptide · sold by · tested by
HPLC purity
Qty match
Feb 7, 2026
Source: shop-provided
99.32%HPLC
123%of labeled
Feb 6, 2026
Source: shop-providedEndotoxin: PASS (≤0.5 EU/mL)
99.37%HPLC
119%of labeled
Feb 5, 2026
99.47%HPLC
80%of labeled
Feb 4, 2026
Source: shop-provided
99.90%HPLC
120%of labeled
Feb 3, 2026
Source: shop-provided
99.75%HPLC
124%of labeled
Feb 3, 2026
Source: shop-provided
99.82%HPLC
103%of labeled
Feb 2, 2026
Source: shop-providedEndotoxin: PASS
99.75%HPLC
102%of labeled
Feb 2, 2026
99.25%HPLC
102%of labeled
Feb 1, 2026
99.73%HPLC
118%of labeled
Jan 31, 2026
Source: shop-providedEndotoxin: <0.05 EU/mL
99.86%HPLC
131%of labeled
Jan 29, 2026
Source: shop-provided
99.71%HPLC
109%of labeled
Jan 29, 2026
Source: shop-provided
99.93%HPLC
99%of labeled
Jan 27, 2026
Source: shop-providedEndotoxin: < 0.001
99.80%HPLC
128%of labeled
Jan 27, 2026
Source: shop-provided
99.12%HPLC
106%of labeled
Jan 23, 2026
99.26%HPLC
102%of labeled
Jan 23, 2026
98.55%HPLC
112%of labeled
Jan 21, 2026
Source: shop-provided
99.82%HPLC
114%of labeled
Jan 21, 2026
Source: shop-provided
99.62%HPLC
109%of labeled
Jan 21, 2026
Source: shop-provided
99.72%HPLC
107%of labeled
Jan 21, 2026
99.61%HPLC
81%of labeled

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

Showing 121-140 of 257

Browse by peptide

64 tracked

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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.

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