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Clear Peptides

Documentation Center

Retrieve a Certificate of Analysis

Enter a lot number to retrieve the corresponding Certificate of Analysis. Lot numbers are printed on all primary containers in the format XX##-####-X.

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COA Archive — Recent Lots

Actual COA documents are retrievable by lot number via the lookup tool above or by contacting support.

Product Lot Number Purity Identity Issued
COA records will be published here as lots are received and verified. Use the COA Lookup tool or contact support.

Analytical Methods Reference

RP-HPLC

Purity

Method: Reversed-phase high-performance liquid chromatography

Column: C18 analytical column

Criterion: ≥98.0% area purity

ESI-MS

Identity

Method: Electrospray ionization mass spectrometry

Output: Observed vs. theoretical molecular mass

Criterion: Mass match within ±0.5 Da

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Clear Peptides supplies research-grade reference materials for qualified laboratory use only. You must be 18 years of age or older to access this site.

By entering this site you confirm you are 18+ and agree to our Research Use Policy and Terms of Service. All products are for laboratory research use only.

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