Source comparison
TB-500 Peptides: Documentation Comparison
Purity Verification Supplier certificate of analysis Third-party HPLC + mass spec Unknown contaminants affect receptor binding Certificate alone is sufficient for preliminary work; independent verification required for publication Reconstitution Protocol Dilue
This comparison does not assign a generated winner or score.
- Purity Verification
- Supplier certificate of analysis
- Third-party HPLC + mass spec
- Unknown contaminants affect receptor binding
- Certificate alone is sufficient for preliminary work; independent verification required for publication
- Reconstitution Protocol
- Diluent type + concentration
- Diluent lot number + pH measurement + sterility confirmation
- Inconsistent stability across batches
- Lot number tracking prevents batch-to-batch variation from confounding results
- Storage Temperature
- Daily min/max log
- Continuous data logger with alarm system
- Temperature excursions cause undetectable degradation
- Data loggers cost $80–200 but eliminate the single most common peptide failure mode
- Dosing Schedule
- Frequency + route
- Body weight-adjusted mg/kg + injection site map + time of day
- Cross-study comparison impossible
- Without mg/kg reporting, your data can't be integrated into systematic reviews or meta-analyses
- Batch Tracking
- Vial lot number
- Vial lot + reconstitution date + animal assignment matrix
- Cannot isolate batch effects if results diverge
- Essential for multi-month studies where multiple batches are used sequentially