Medical & Chemical Analyses
Zenith BioChemical Laboratories (Hong Kong) is the premier clinical and analytical testing facility at Hong Kong Science Park, performing high-resolution HPLC peptide purity assays, LC-MS molecular mass confirmation, and certified third-party double-blind analysis.
Analyses
Explore our comprehensive analytical services: quantitative HPLC assays, LC-MS molecular weight verification, steroid screening, and heavy metals
Results
Authenticate and view your test results, HPLC chromatograms, and official Certificates of Analysis (COA)
Sample Intake
Submit testing requests, configure custom analysis panels, calculate turnaround pricing, and access international sample delivery protocols
Analytical Services & Standard Pricing
Comprehensive third-party independent chemical verification. We specialize in HPLC purity assays, LC-MS exact molecular identification, peptide net content quantification, 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
- 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
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
- 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
Step-by-Step Sample Submission
Submitting samples from Hong Kong, the Asia-Pacific region, or internationally is straightforward and secure.
Select Tests & Submit
Choose your desired analytical panels online. Our specialist will promptly reach out to verify protocols and coordinate delivery.
Package Securely
Place your sample (lyophilized vial, powder, or liquid) into a protective padded container with your order slip.
Ship to Science Park Hub
Send to: Units 301, 3/F, Building 2A, Phase 3, Hong Kong Science Park, Pak Shek Kok, NT, Hong Kong (Tel: +852 2334 5581).
Chromatography Run
Our senior analytical chemists process your sample with calibrated reference standards and dual sign-off.
Verify & Download
Receive your official Certificate of Analysis (COA), HPLC chromatogram, and public verification link.
Excellence in Medical & Chemical Diagnostics
Zenith BioChemical Laboratories (Hong Kong) operates premier independent analytical testing facilities at Hong Kong Science Park, under strict ISO/IEC 17025 and ISO 15189 quality frameworks.
Laboratory Intake & Protocols
By combining clinical diagnostics with specialized reverse-phase chromatography and calibrated reference standards, we deliver absolute analytical precision and verifiable transparency for research institutions and clinics globally.
Units 301, 3/F, Building 2A, Phase 3, Hong Kong Science Park, Pak Shek Kok, New Territories, Hong Kong
+852 2334 5581 • Mon–Fri: 08:30–18:30 HKT (UTC+8)
State-of-the-Art Analytical Fleet
Our Hong Kong facility is equipped with industry-leading mass spectrometers and chromatography hardware calibrated daily against NIST-traceable standards.