Celsius°
PEPTIDES
Certificate of Analysis
Starfield Processing Limited · 111 New Union Street
Coventry CV1 2NT · England
Product
Bacteriostatic Water
Lot number
CP2605-3799
Catalogue number
CP-9001
Research area
Laboratory Supplies
Date of manufacture
2026-05-03
Date of analysis
2026-05-08
Retest by
2028-04-27
Appearance
Clear colourless solution
Purity by RP-HPLC (area normalisation, 220 nm)
100.04%
Specification ≥ 99.9%
RELEASED
3/3 parameters within specification
Analytical results
| Test | Method | Specification | Result | Status |
|---|---|---|---|---|
| Appearance | Visual inspection | Clear, colourless, free of particulates | Clear, colourless, free of particulates | Pass |
| Bacterial endotoxin | LAL kinetic chromogenic | ≤ 0.50 EU/mg | 0.006 EU/mg | Pass |
| Solubility | Visual, per stated solvent | n/a | Conforms | Pass |
Figure 1 · RP-HPLC chromatogram
C18, 4.6 × 250 mm, 5 µm. Water/acetonitrile gradient with 0.1% TFA over 20 minutes. Detection at 220 nm.
| Peak | Retention time | Area % | Assignment |
|---|---|---|---|
| 1 | 8.05 min | 100.040 | Bacteriostatic Water |