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About this material
The molecular formula, weight, and CAS shown correspond to its primary component, water.
Specifications
- Form
- Sterile solution
- Appearance
- Clear, colorless solution
- Purity / assay
- 99.92% (HPLC / MS)
- Molecular formula
- H2O
- Molecular weight
- 18.015 Da
- CAS number
- 7732-18-5
- Also known as
- Water, Sterile water, Purified water, Distilled water, Dihydrogen oxide
- Test methods
- HPLC · MS · LAL
- Reconstitution
- Supplied ready to use
- Presentation
- Sealed single research vial
- Storage
- Store at room temperature.
- Current lot
- BAC-2406A
Certificate of Analysis
Bacteriostatic Water, third-party tested, per lot
LotBAC-2406A
Sample certificate. This is a representative placeholder. The signed Certificate of Analysis for this lot is issued by our research laboratory and will replace this record.
- Testing lab
- Virberg
- Accreditation
- Pending
- Manufactured
- May 22, 2026
- Released
- June 10, 2026
- Retest by
- June 10, 2028
- Storage
- Store at room temperature.
Purity by RP-HPLC · chromatogram
IllustrativeRetention time →Representative trace · not measured data
| Test | Method | Specification | Result |
|---|---|---|---|
| Appearance | Visual | Conforms to description | Clear, colorless solution; free of visible particulates |
| Identity | Mass Spectrometry | Conforms to reference | Conforms |
| Molecular Mass | ESI-MS | Conforms to theoretical | Conforms |
| Sterility / Compendial | USP <1231> | Conforms | Conforms |
| Endotoxin | LAL (kinetic) | < 0.5 EU/mg | Pass (< 0.1 EU/mg) |
Appearance
- Method
- Visual
- Spec
- Conforms to description
- Result
- Clear, colorless solution; free of visible particulates
Identity
- Method
- Mass Spectrometry
- Spec
- Conforms to reference
- Result
- Conforms
Molecular Mass
- Method
- ESI-MS
- Spec
- Conforms to theoretical
- Result
- Conforms
Sterility / Compendial
- Method
- USP <1231>
- Spec
- Conforms
- Result
- Conforms
Endotoxin
- Method
- LAL (kinetic)
- Spec
- < 0.5 EU/mg
- Result
- Pass (< 0.1 EU/mg)
Each lot is tested by an independent third-party laboratory. Results above correspond to lot BAC-2406A.
Download COA (PDF)Handling & storage
Supplied as a ready-to-use sterile solution; the primary component, water, is fully miscible in aqueous systems. Use as a diluent for reconstitution strictly per your own laboratory protocol. Store at controlled room temperature, keep the container closed, and protect from contamination; once a multi-use container is accessed, follow your own protocol for retained-use intervals. For research use only. Any downstream handling is performed by the buyer according to their own laboratory protocol and applicable safety practice.
Documentation & traceability
Per-lot Certificate of Analysis
The COA for this lot is published on this page, no email gate.
Lot number matches the certificate
When you receive an order, the lot printed on the vial will match the COA published here.
Independently verified
Identity, purity, mass, and endotoxin are tested by a third-party laboratory.
Tracked, protected shipping
Ships discreetly with tracking, cold-packed where the compound requires it.
- Third-party lab tested
- Per-lot COA
- Identity + purity verified
- Research-use attested
- Discreet shipping
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