Medical & Chemical Analyses
Zenith BioChemical Laboratories is an international analytical testing network operating ISO/IEC 17025 accredited facilities across Europe (Frankfurt am Main), Asia-Pacific (Hong Kong Science Park), and Latin America (São Paulo), 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 (COA)
Authenticate and view your test results, HPLC chromatograms, and official Certificates of Analysis with mobile touch zoom inspection
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 across Europe, Asia-Pacific, the Americas, or globally 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 Nearest Regional Hub
Dispatch to our regional intake hubs in Frankfurt (Germany/Europe), Hong Kong (APAC), or São Paulo (Americas/LATAM) with priority courier tracking.
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 operates premier independent analytical testing facilities across Germany (Frankfurt am Main), Hong Kong (Science Park), and Brazil (São Paulo), under strict ISO/IEC 17025 and ISO 15189 quality frameworks.
Tri-Regional Intake & Protocols
By operating coordinated laboratory intake across Europe, Asia-Pacific, and Latin America with identical analytical instrumentation and reference standards, we deliver absolute analytical precision and verifiable transparency globally.
Industriepark Höchst, Building G830, 65926 Frankfurt am Main, Germany
+49 69 305 84210 • [email protected] • Mon–Fri: 08:30–17:30 CET
Units 301, 3/F, Building 2A, Phase 3, Hong Kong Science Park, Pak Shek Kok, NT, Hong Kong
+852 2334 5581 • [email protected] • Mon–Fri: 08:30–18:30 HKT
Av. Paulista, 1374, 11º andar - Bela Vista, São Paulo - SP, 01310-100, Brazil
+55 11 3195 6280 • [email protected] • Seg–Sex: 08:30–17:30 BRT
State-of-the-Art Analytical Fleet
Our tri-regional facilities across Frankfurt, Hong Kong, and São Paulo are equipped with industry-leading mass spectrometers and chromatography hardware calibrated daily against NIST-traceable standards.