Toronto’s most trusted research peptide laboratory.
HPLC • LC-MS/MS • Advanced impurity profiling.
We are not affiliated with any peptide vendor. Our only goal is delivering accurate, defensible data you can trust.
3–5 business day standard. Same-day pickup in the GTA. No international shipping delays.
HPLC-UV/CAD, high-resolution LC-MS/MS, GC-MS, ICP-MS. Full raw data included with every COA.
High-performance liquid chromatography with UV and charged aerosol detection for accurate peptide purity and related substance profiling.
High-resolution mass spectrometry for exact molecular weight, sequence verification, and modification detection.
Comprehensive profiling of process impurities and degradation products using orthogonal techniques.
Submit your peptide details. We respond with a customized quote within 2 business hours.
Canada Post, courier, or same-day pickup in the Greater Toronto Area.
Validated HPLC and high-resolution LC-MS/MS by our PhD analytical team.
Detailed Certificate of Analysis with raw data and chromatograms via secure portal.
Access historical results, download reports, and request future tests anytime.
Prices are starting points. Custom quotes for complex projects or volume discounts available.
"The level of detail in the HPLC and mass spec reports from Nexus is outstanding. Fast, professional, and local — exactly what we needed."
"Turnaround under 4 days. The client portal makes accessing historical COAs simple. Highly recommend for Canadian research groups."
"We switched after inconsistent results from overseas. Data quality and communication are night and day. Same-day pickup is a huge advantage."
Practical guide for interpreting purity data, related substances, and acceptance criteria.
How high-resolution mass spec ensures sequence accuracy and detects synthesis errors.
Key considerations for residual solvent testing per ICH Q3C guidelines.
Join Canadian research teams getting faster, higher-quality results with local accredited testing.