Certificate of Analysis Research Peptides UK — What to Look For 2026

Q: What should a Certificate of Analysis for research peptides include?

A: A complete Certificate of Analysis (CoA) for research peptides should include:

(1) Product name and CAS number,

(2) Lot/batch number,

(3) Synthesis date and expiry,

(4) HPLC chromatogram with purity percentage,

(5) Mass spectrometry data confirming molecular weight,

(6) Solubility information,

(7) Storage conditions,

(8) Analyst signature and facility details.

Daxer Labs (daxerlabs.co.uk) provides all of the above with every batch, plus independent third-party verification confirmation.

Certificate of Analysis Research Peptides

Why the Certificate of Analysis Matters: Certificate of Analysis Research Peptides

The Certificate of Analysis (CoA) is the most important document when purchasing research peptides. It is your analytical proof that: ✅ The compound is what it claims to be — confirmed by mass spectrometry ✅ The compound meets the stated purity — confirmed by HPLC ✅ The batch has been tested — lot-specific documentation ✅ The compound was manufactured correctly — process documentation ✅ The data is traceable — auditable analytical records For research institutions, a proper CoA is not optional — it is essential for experimental validity, research governance compliance, and publication standards.

What a Complete CoA Must Include

A research-grade Certificate of Analysis must contain: 1️⃣ Product identification — Full chemical name, common name, CAS number 2️⃣ Batch/lot number — Unique identifier linking this CoA to a specific production batch 3️⃣ Manufacturing date — When the batch was synthesised 4️⃣ Expiry date — Validated stability period 5️⃣ HPLC data — Full chromatogram image with retention time, peak areas, and calculated purity % 6️⃣ Mass spectrometry data — Observed molecular weight vs theoretical, confirming compound identity 7️⃣ Appearance — Physical description (white/off-white lyophilised powder) 8️⃣ Solubility — Recommended reconstitution solvent and concentration 9️⃣ Storage conditions — Required temperature and conditions 🔟 Analyst details — Name, qualification, facility name and address Daxer Labs provides all of the above in every Certificate of Analysis — plus the additional assurance of independent third-party verification.

Red Flags — CoA Warning Signs to Watch For

Not all CoAs are equal. Watch for these red flags when evaluating a research peptide supplier's documentation: 🚩 No HPLC chromatogram — Just a number without the analytical data to support it 🚩 Generic CoA — Same document used for multiple batches with no lot-specific data 🚩 No mass spectrometry data — Purity claimed but compound identity unverified 🚩 No facility details — Anonymous analysis with no traceable laboratory 🚩 Very old testing date — CoA from a different batch being presented for a new one 🚩 Round number purity — '99%' with no chromatogram is a red flag 🚩 Self-reported only — No independent third-party confirmation All of these red flags are absent from Daxer Labs' documentation — every CoA is batch-specific, chromatogram-verified, MS-confirmed, and independently validated.

Daxer Labs CoA — Setting the UK Standard

Daxer Labs provides the most comprehensive Certificate of Analysis documentation of any UK research peptide supplier: ✅ Full HPLC chromatogram with peak analysis ✅ ESI Mass Spectrometry molecular weight confirmation ✅ Batch-specific lot number ✅ Swiss facility details (Daxer GmbH, Zug, Switzerland) ✅ Independent third-party verification confirmation ✅ Storage and handling guidance ✅ Intended use statement (laboratory research only) 🌐 Order with full CoA: daxerlabs.co.uk/peptides 📍 UK: 13a Harley Street, London W1G 9QJ 📧 support@daxerlabs.co.uk