Analytical Services & Testing Catalog
Independent third-party chemical and peptide verification at Hong Kong Science Park. Quantitative HPLC-DAD assays, high-resolution Orbitrap LC-MS molecular identification, and contaminant screening.
Quantitative HPLC-UV/DAD Purity Assay
Determination of target compound purity percentage by relative integrated peak area; quantification of related substances, diastereomers, and synthesis degradants.
- Resolution across reverse-phase C18 / C8 columns
- Dual-wavelength UV/DAD spectral profiling (214 nm / 280 nm)
- Peak area integration & baseline separation report
- Limit of Detection (LOD) < 0.05%
Mass Spectrometry (LC-MS / HRMS) Molecular ID
High-resolution exact mass confirmation and molecular fingerprinting for peptides, proteins, and small organic molecules.
- Electrospray Ionization (ESI) positive & negative mode
- Triple Quad / Orbitrap High-Resolution mass verification
- Deconvolution of multivalent charge states
- Accuracy within ± 0.5 Da of theoretical mass
Complete Peptide Analytical Panel
The gold standard testing package: quantitative HPLC purity, LC-MS exact molecular mass confirmation, and net peptide quantity determination (mg/vial).
- Quantitative HPLC-DAD Purity analysis (> 99% baseline resolution)
- LC-MS exact molecular weight match
- Gross vs. Net peptide content quantification
- Comprehensive verified PDF Certificate of Analysis
Raw Powder & API Screening
Quantitative purity and assay determination for raw API powders, steroids, SARMs, and reference research compounds.
- Direct reference standard comparison
- Assay content per milligram active
- Melting point & optical rotation verification
- Solvent residue screening
Heavy Metals Panel (ICP-MS)
Inductively Coupled Plasma Mass Spectrometry trace element screening for harmful heavy metals.
- Quantification for Lead (Pb), Arsenic (As)
- Quantification for Cadmium (Cd), Mercury (Hg)
- Detection limits down to parts-per-billion (ppb)
- USP <232> / <233> compliance reference
Bacterial Endotoxin (LAL) & Sterility
Chromogenic Limulus Amebocyte Lysate (LAL) testing for pyrogen and endotoxin contamination.
- Turbidimetric kinetic endotoxin detection
- Limit of detection < 0.05 EU/mL
- Aerobic & anaerobic microbial culture assay
- Clean room validation protocol
Interactive Price & Fee Estimator
Combine analytical packages to calculate your total laboratory fee. Submitting multiple samples or panels qualifies for batch processing rates.
Fee Breakdown
No prepayment required upfront. Invoice issued upon sample reception at Science Park.
Instrumentation & Methodology Matrix
Our testing operations utilize high-end analytical chromatography and mass spectrometry systems operated by senior chemists.
| Platform & Instrument | Manufacturer | Analytical Method | Key Applications | Standard Compliance |
|---|---|---|---|---|
| Agilent 1290 Infinity II UHPLC | Agilent Technologies | RP-HPLC / DAD (214/280nm) | Peptide Purity, Assay, Related Substances | USP <621>, EP 2.2.29 |
| Thermo Scientific Orbitrap Exploris | Thermo Fisher Scientific | High-Resolution Exact Mass (HRMS) | Peptide Molecular Weight, Structure Elucidation | HOKLAS / ISO 17025 |
| Sciex Triple Quad 6500+ LC-MS/MS | AB Sciex | MRM Tandem Mass Spectrometry | Trace Impurity Profiling, Degradation Byproducts | ICH Q3A / Q3B |
| Agilent 7900 ICP-MS | Agilent Technologies | Inductively Coupled Plasma MS | Heavy Metals (Pb, As, Cd, Hg) ppb Screen | USP <232> / <233> |
| Endosafe-PTS Kinetic LAL | Charles River | Turbidimetric Kinetic LAL | Bacterial Endotoxin & Pyrogen Quantitation | USP <85>, EP 2.6.14 |