Live result preview
Semaglutide
FSL-26-0824-SG · RP-HPLC / ESI-MS
99.38%
Area purity
UV 214 nm · mAUtR 7.42 min
- Observed MW
- 4113.61 Da
- Target MW
- 4113.58 Da
- Mass delta
- +0.03 Da
COA sources
Systems operational
Independent analytical verification
Sample In,
Verified COA Out.
Independent peptide testing for worldwide submissions, with HPLC purity, LC-MS identity, and publicly traceable manufacturer sources.
One custody chain. No analytical blind spots.
Every transition is time-stamped, reviewer-visible, and attached to the same immutable sample record.
- T+00:0001
Sample ingestion
Chain-of-custody logged, photographed, and assigned a unique FSL accession ID.
- T+01:3002
Cold-chain prep
Aliquots conditioned at 2–8 °C under controlled pre-analytical handling.
- T+06:0003
HPLC / MS analysis
RP-HPLC at 214 nm paired with electrospray mass identity confirmation.
- T+24:0004
Encrypted COA issuance
Reviewer-approved results sealed with SHA-256 integrity verification.
Every COA has a disclosed origin.
Search the submitting party, declared manufacturer, sample lot, custody dates, analytical result, and tamper-evident report hash.
Firestinelab
101 Technology CenterUniversity Park, PA 16802
United States
Worldwide sample intake
Demo data
Interface preview only. Replace these records with verified manufacturer submissions before public release.
Semaglutide
DemoFSL-DEMO-260824-01 · DEMO-SG-2408
99.38%
HPLC area purity
- Declared manufacturer
- Demo Manufacturer A
- Manufacturer disclosure pending live data
- Submitted by
- Independent buyer · United States
- Independent buyer submitted
- Custody timeline
- Received Aug 21, 2026 · Issued Aug 24, 2026
- Report integrity
- SHA-256 89c4e7b2…f30d091e
Source disclosure record
Tirzepatide
DemoFSL-DEMO-260819-02 · DEMO-TZ-1908
99.21%
HPLC area purity
- Declared manufacturer
- Demo Manufacturer B
- Manufacturer disclosure pending live data
- Submitted by
- Manufacturer representative · Germany
- Manufacturer submitted
- Custody timeline
- Received Aug 16, 2026 · Issued Aug 19, 2026
- Report integrity
- SHA-256 c13a59f0…921d8c42
Source disclosure record
Retatrutide
DemoFSL-DEMO-260812-03 · DEMO-RT-1208
98.97%
HPLC area purity
- Declared manufacturer
- Demo Manufacturer C
- Manufacturer disclosure pending live data
- Submitted by
- Independent buyer · Singapore
- Independent buyer submitted
- Custody timeline
- Received Aug 9, 2026 · Issued Aug 12, 2026
- Report integrity
- SHA-256 4de180ac…7f6b2210
Source disclosure record