ACS Laboratory vs Janoshik Analytical
A US-based, independent alternative to overseas peptide testing labs — with the same core analytical methods and a domestic chain of custody.
Side-by-side comparison
| Attribute | ACS Laboratory | Janoshik Analytical |
|---|---|---|
| Location | Sun City Center, FL, USA | Czech Republic (EU) |
| Accreditation | independent | independent |
| Standards | ASTM D8558 (peptides), contributing to ASTM F49 | Not published |
| DEA registered | Yes | N/A (EU) |
| Turnaround | 9–11 business days | Varies + intl. shipping |
| HPLC purity | Yes | Yes |
| Mass spectrometry ID | Yes | Yes |
| Endotoxin (LAL) | Yes | Limited |
| Karl Fischer moisture | Yes | Limited |
| Stability programs | Yes | Limited |
| US chain of custody | Yes | No |
Why researchers pick a US lab
International shipping of biological samples adds days at each customs step, and returned Certificates of Analysis from foreign labs are harder to introduce into US regulatory and legal workflows. ACS Laboratory operates under ASTM D8558 and is contributing to the upcoming ASTM F49 committee on peptide therapeutic standards.
Same methods, different jurisdiction
Both labs report HPLC purity and mass spectrometry identity. The difference is the operating framework: ACS provides independent third-party verification under documented method validation with DEA registration for controlled analysis.