Skip to content
ALDEVIAN Laboratories

Analytical clarity.
Confidence in every result.

Peptide identity, purity and content. Analytical testing for supplements and research materials.

Request testingVerify a certificate

Identity and purity by LC-MS

A single injection resolves the main peak at 11.23 minutes and confirms identity from the electrospray charge-state envelope. Every COA we issue carries the raw trace behind the number.

UV chromatogram · 214 nm C18 2.1 × 150 mm · 0.1% TFA / MeCN
UV chromatogram of Tirzepatide at 214 nm The main Tirzepatide peak elutes at 11.23 minutes, with only trace-level peaks between 6 and 15 minutes. 25 50 75 100 0 0 2 4 6 8 10 12 14 16 Retention time (min) Relative absorbance (%) Tirzepatide RT 11.23 min C₁₀₂H₁₅₀N₂₀O₄₃ 10.41 11.86
ESI+ mass spectrum Averaged across 11.15–11.31 min
Electrospray mass spectrum of the 11.23 minute peak Three charge states confirm identity: m/z 1605.5 for the triply protonated ion, m/z 1204.4 for the quadruply protonated ion and m/z 963.7 for the quintuply protonated ion, giving a deconvoluted mass of 4813.5 daltons. 25 50 75 100 0 800 1000 1200 1400 1600 1800 2000 m/z Relative intensity (%) [M+5H]5+ 963.7 [M+4H]4+ 1204.4 [M+3H]3+ 1605.5 Deconvoluted mass 4813.5 Da
Retention time
11.23 min
[M+3H]3+
m/z 1605.5
[M+4H]4+
m/z 1204.4
[M+5H]5+
m/z 963.7
Deconvoluted mass
4813.5 Da

Example data shown for illustration. Client results are reported on the issued Certificate of Analysis.

Advanced Agilent LCMS with diode array detection delivers precise results in days, not weeks. Analytical reporting for international research and quality-control teams.

LC-MS & HPLCPeptide identity & purity
ICP-MSElemental analysis
LAL & rFCEndotoxin testing
Illustrative analytical laboratory setting

Trusted LCMS Testing Laboratory

ALDEVIAN Laboratories is an independent analytical testing laboratory specializing in third-party characterization of synthetic peptides. We provide high-confidence purity, identity, and net peptide content (NPC) analyses supported by advanced LC-MS, MALDI-MS, and HPLC instrumentation.

Our mission is to deliver accurate, unbiased Certificates of Analysis (COAs) that enhance product credibility, regulatory confidence, and client trust. ALDEVIAN Laboratories serves peptide manufacturers, research suppliers, clinics, and distributors worldwide with rapid turnaround times and transparent reporting.

Our Testing Services

Peptide Purity Testing

High-precision analysis for research peptides with detailed COAs for e-commerce and compliance.

$150 per sample

Learn More

Bacterial Endotoxin Testing (BET)

using both the Limulus Amebocyte Lysate (LAL) assay and the Recombinant Factor C (rFC) assay, utilizing the Charles River Endosafe® endotoxin detection system. These validated methods provide rapid, sensitive, and reliable detection of bacterial endotoxins in accordance with applicable pharmacopeial standard.

$150 per sample

Learn More

Heavy Metal Analysis (ICP–MS)

Comprehensive screening of 77 elements, including all major toxic heavy metals, using Inductively Coupled Plasma–Mass Spectrometry (ICP–MS) with ppm-level quantitative accuracy for sensitive and reliable elemental analysis. Elemental analysis supports supplier verification, sample comparison and quality control.

$100 per sample

Learn More

Sterility Testing (USP <71>)

Sterility testing is performed in accordance with USP <71> Sterility Tests using validated membrane filtration or direct inoculation methods, as appropriate, to detect the presence of viable aerobic and anaerobic bacteria, fungi, and yeast. Testing is conducted under controlled aseptic conditions to ensure reliable and compliant sterility assessment.

$200 per sample

Learn More