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Quality Assurance

Tested. Verified.
Certified.

Every compound we supply goes through a rigorous multi-stage quality control process before it leaves our facility. HPLC purity analysis and mass spectrometry identity confirmation are run on every single batch — not sampled, not estimated.

Our Standards

What Every Batch Must Pass

≥98%
Minimum Purity

HPLC Purity Testing

Reverse-phase HPLC is run on every single batch — not just sampled lots. The chromatogram and integration data are retained and available on request.

100%
Identity Verified

Mass Spectrometry

Every compound is confirmed by MS before release. Molecular weight must match the theoretical value within accepted tolerance — no exceptions.

Full
Chain of Custody

Batch Traceability

Each batch carries a unique lot number traceable from raw material supplier through synthesis, QC, and dispatch. Recall capability is maintained at all times.

-20°C
Storage Maintained

Cold-Chain Logistics

Temperature-sensitive compounds are stored and dispatched with validated cold-chain packaging. Thermal indicators are included in shipments where required.

The Process

From Synthesis to Dispatch

Six stages. Zero shortcuts. Every compound follows the same path before it reaches a researcher.

Step 01

Raw Material Sourcing

All starting materials are sourced exclusively from GMP-certified suppliers. Each batch of raw material arrives with a full supplier certificate of analysis before synthesis begins.

Step 02

Synthesis & Formulation

Peptides are synthesised using solid-phase peptide synthesis (SPPS) under controlled cleanroom conditions. Each synthesis run is logged with full traceability from amino acid to final lyophilised product.

Step 03

HPLC Purity Analysis

Every batch undergoes reverse-phase high-performance liquid chromatography (RP-HPLC) to confirm purity. We target ≥98% purity across all compounds, with premium lines reaching ≥99%.

Step 04

Mass Spectrometry Verification

Molecular identity is confirmed via mass spectrometry (MS). This verifies the exact molecular weight of each compound, ruling out impurities, truncated sequences, or incorrect structures.

Step 05

Certificate of Analysis (COA)

A full COA is generated for every batch, documenting purity percentage, molecular weight, appearance, solubility, and storage conditions. COAs are available for download on the Certificates page.

Step 06

Packaging & Dispatch

Products are sealed in pharmaceutical-grade vials under inert atmosphere, labelled with batch number, purity, and storage instructions, then dispatched with cold-chain packaging where required.

HPLC Testing

Why HPLC Matters for Research Peptides

Purity Confirmation

RP-HPLC separates the target peptide from all other components in the sample. The resulting chromatogram shows exactly what percentage of the material is your compound of interest.

Impurity Detection

Truncated sequences, deletion peptides, and oxidation products are all detectable by HPLC. Any batch that fails our purity threshold is rejected — not reworked or blended.

Batch-to-Batch Consistency

Retention time data from HPLC provides a fingerprint for each compound. We compare every new batch against reference standards to ensure consistency across production runs.

HPLC Chromatogram
Sample Batch Analysis
PASS ≥98.4%
Retention Time (min)Absorbance98.4%51015202530
98.4%
Main Peak
1.6%
Impurities
PASS
Result

Quality Commitments

GMP-Compliant Synthesis
ISO-Aligned QC Procedures
HPLC Tested — Every Batch
MS Identity Confirmed
Full Batch COA Issued
Research Grade Only
Certificates Available

Download Batch COAs

Full Certificates of Analysis for every batch are available on our Certificates page. Download the COA for any compound before you order.

Helix Biotech

Advanced research compounds for scientific investigation. All products are intended for laboratory research purposes only.

Research Use Only Disclaimer: All products sold by Helix Biotech are intended for research purposes only. Not for human consumption. These products are not medicines or drugs and have not been approved by the MHRA or any regulatory authority for therapeutic use. Must be handled by qualified researchers in appropriate laboratory settings. Helix Biotech accepts no liability for misuse of research compounds.

© 2026 Helix Biotech Ltd. All rights reserved. Registered in England & Wales.

Research Grade · UK Dispatch · Batch Verified