Lot / batch number
PL-2610-017
PrymaLab
PrymaLab Analytical · In-house laboratory
3705 Music Branch Rd, Ashland, KY 41102 · +1 (606) 465-9063 · prymalab.net
Certificate no.
PL-26-00139
Verification key
N9SQ8J5Z
Scan or enter both at
prymalab.net/testing/verify
prymalab.net/testing/verify
Certificate of Analysis · Lot release
BAC Water 3 mL
Lot PL-2610-017 · Solution · Label claim 3 mL per vial
Tested in-house by PrymaLab
In-house analytical result,
not an independent third-party test
not an independent third-party test
Date made
2026-10-01
Date of analysis
2026-10-05
Date issued
2026-10-19
Retest / expiry
2028-10-01
Units in lot / sampled
376 / 3
Storage
—
Certificate type
Lot COA, 2 pages
Compound
Bacteriostatic water
Sterile water for injection with benzyl alcohol as preservative; a diluent, not a peptide
CAS number
7732-18-5 (water) · 100-51-6 (benzyl alcohol)
Molecular formula
H2O + benzyl alcohol (C7H8O)
Theoretical mass (avg.)
n/a
Structure
Water for injection preserved with benzyl alcohol
Purity · RP-HPLC, area %
—
Not applicable: bacteriostatic water is a diluent (no HPLC purity test)
Benzyl alcohol · USP <341>
0.92%
Specification 0.85–0.95% • pH 5.8 (specification 4.5–7.0)
Overall conclusion
PASS
Meets every specification for the tests performed
| Test | Method | Specification | Result | Conclusion |
|---|---|---|---|---|
| Benzyl alcohol content | USP <341> | 0.85–0.95% | 0.92% | PASS |
| pH | pH measurement | 4.5–7.0 | 5.8 | PASS |
| Bacterial endotoxin | LAL, kinetic | < 0.5 EU/mL | 0.09 EU/mL | PASS |
| Sterility | USP <71>, 14-day | No growth | No growth | PASS |
1HPLC chromatogram
Data file: — · Column — · UV —
Not applicable: no HPLC or mass-spectrometry test applies to bacteriostatic water. The tests performed are listed in the table above.