CAS No. 61477-96-1
Batch:
Purity:98.02
Chemical Structure
Check the
Piperacillin
product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.
| IUPAC Name | (2S,5R,6R)-6-[[(2R)-2-[(4-ethyl-2,3-dioxopiperazine-1-carbonyl)amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid | |
|---|---|---|
| CAS Number | 61477-96-1 | |
| Molecular Formula |
C23H27N5O7S |
|
| Molecular Weight (MW) | 517.56 | |
| InChIKey | IVBHGBMCVLDMKU-GXNBUGAJSA-N |
Piperacillin is a broad-spectrum β-lactam antibiotic that targets penicillin-binding proteins to inhibit bacterial cell wall synthesis. By binding to essential penicillin-binding proteins, it disrupts peptidoglycan cross-linking during bacterial cell division. This inhibition compromises the structural integrity of the bacterial cell wall, triggering osmotic lysis and exhibiting potent bactericidal activity against Gram-negative bacteria and select Gram-positive strains. [1]
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Concentration
Volume
Mass
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Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
| Solvent | Solubility & Note |
|---|---|
| DMSO |
100 mg/mL
(193.21 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.) |
| Ethanol | 6 mg/mL |
| Water | Insoluble |
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
- Preheat media/saline to 37°C.
- Mix rapidly (pipette/vortex) upon addition.
- For complex mixes, always add the aqueous phase last.
- Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
Note: Technical data last updated: Sep 1, 2026.