A Certificate of Analysis (COA) is the batch-specific analytical release document that accompanies each batch of research peptide supplied by Oxford Research Peptides. It records the identity, purity, and appearance results for that batch against our analytical release programme.
CERTIFICATE OF ANALYSIS
- Product
- Retatrutide
- Batch Number
- ORP-240501
- Purity (HPLC)
- >99%
- Appearance
- White Lyophilised Powder
- Molecular Weight
- 4,574.6 g/mol
- Test Date
- 01/05/2024
- Result
- PASS
Dr. A. Chen
Head of Quality Control
What a COA contains
- Product — the compound name and target sequence.
- Batch number — a unique identifier that maps to the vial label.
- Purity (HPLC) — reversed-phase HPLC area percent at the specified wavelength.
- Appearance — visual description of the lyophilised solid.
- Molecular weight — confirmed by mass spectrometry against the theoretical mass.
- Test date — the date the analytical result was recorded.
- Result — pass or fail against the release specification.
- Signatory — the responsible quality-control reviewer.
Requesting the COA for your batch
Email oxfordresearchpeptides@gmail.com with your order number and the batch number printed on the vial label. The COA is provided as a PDF.
What a COA is not
- A COA is not a pharmaceutical release specification.
- A COA does not certify sterility, endotoxin content, or fitness for any therapeutic use.
- A COA does not authorise human or animal administration — see our Research Use Only notice.
Related pages
See Testing & Quality Control for the analytical programme, and Lab Testing for a walkthrough of how testing is performed.