Reconstitution
and handling, complete.
Bacteriostatic water and sterile water for injection, pharmacopoeial-grade reconstitution diluents specified to match the integrity of the freeze-dried peptides they accompany. Available on the same dispatch as research compound orders as a procurement convenience for buyers who would otherwise source them separately.
Reconstitution diluents.
Each item ships from EU stock, packaged with the peptide order. Click a row to expand the full specification.
No. 01 Bacteriostatic Water · 10ml multi-dose vial €9.50
- Format
- 10ml glass vial, sealed multi-dose
- Composition
- 0.9% benzyl alcohol in water for injection
- Use
- Reconstitution diluent for freeze-dried peptides
- Storage
- Room temperature, sealed
- Shelf life
- 28 days after first puncture, at 2 to 8°C
- Lot
- 26-W1, sterile-filled
The conventional reconstitution diluent for freeze-dried peptide vials. The benzyl alcohol preservative permits repeated withdrawals from a single source over the working life of the reconstituted compound.
Sourced from a European licensed pharmaceutical compounder under standard ampoule manufacturing controls. Supplied for laboratory research use, not for human or veterinary administration.
No. 02 Sterile Water (Reconstitution) · 30ml ampoule, preservative-free €14.00
- Format
- 30ml glass ampoule, single-use
- Composition
- Water for injection, preservative-free
- Use
- Preservative-free diluent for protocols incompatible with benzyl alcohol
- Storage
- Room temperature, sealed
- Shelf life
- Single-use after opening; discard remainder
- Lot
- 26-W2, sterile-filled
Preservative-free sterile water for laboratory protocols where benzyl alcohol presence would interfere with downstream analytical measurement. Single-use ampoule format.
Use this rather than bacteriostatic water when the reconstituted peptide will be measured on mass spectrometry, when the experimental protocol requires preservative-free conditions, or when the working volume is consumed in one session.
Pharmacopoeial-grade diluents on the same dispatch.
Researchers ordering a freeze-dried peptide also need a reconstitution diluent. Most research suppliers leave this seam open and the buyer runs a separate procurement for a small bottle of bacteriostatic water through a pharmacy or another supplier. Cresten stocks two pharmacopoeial-grade diluents alongside the compound catalogue, available on the same dispatch as a procurement convenience for buyers who would otherwise source them separately.
Quality specifications for the diluents listed here are pharmaceutical-grade. Bacteriostatic water is sourced to pharmacopoeial benzyl alcohol concentration of 0.9 percent. Sterile water for injection is preservative-free, single-use, ampoule-packaged. Researchers requiring precision microvolume measurement instruments (Hamilton-style microsyringes, calibrated micropipettes, autopipettes) procure these through standard laboratory supply channels, where ISO/IEC 17025 traceable calibration certificates are part of the standard offering.
Cresten Labs does not offer guidance on which diluent is appropriate for a given research design. Researchers select against the published characterisation of the compound under study and the experimental requirements of the protocol at hand. The catalogue is structured to make that selection efficient when the choice is already known.