Oxacillin sodium salt monohydrate
Oxacillin sodium salt monohydrate (CAS: 7240-38-2) is a semi-synthetic penicillin antibiotic. Its chemical formula is C19H18N3O5SNa · H2O, with a molecular weight of 441.43 g/mol. This compound is primarily recognised for its role in cell biology research, particularly in studies involving bacterial resistance and antibiotic efficacy testing. It is supplied by Tech Serve Solutions for laboratory and research applications.

Antibiotic Research
Used as a research tool to study bacterial susceptibility and resistance mechanisms, particularly against penicillinase-producing Staphylococcus strains. It aids in understanding antibiotic action and developing new therapeutic strategies.
Cell Biology Studies
Employeed in cell culture media to select for or inhibit specific bacterial strains, ensuring the integrity of cell cultures and facilitating experiments in microbiology and molecular biology.
Biochemical Assays
Applied in various biochemical assays to investigate enzyme activity, particularly beta-lactamases, and to study antibiotic-protein interactions within a laboratory setting.
| Molecular weight | 441.43 |
|---|---|
| Linear formula | C19H18N3O5SNa · H2O |
| Storage temperature | 2-8°C |


Hazard statements
- H315Causes skin irritation
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
- H334May cause allergy or asthma symptoms if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 36/37/38-42/43 |
| Safety statements (S) | 22-26-36/37 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Oxacillin sodium salt monohydrate used for?
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Oxacillin sodium salt monohydrate is used in research for cell biology studies, antibiotic research to investigate bacterial susceptibility and resistance mechanisms, and in biochemical assays.
What is the CAS number and chemical formula?
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The CAS number is 7240-38-2 and the chemical formula is C19H18N3O5SNa · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product for research purposes. The specific assay and purity are detailed in the product specifications. It is not represented as USP, BP, or EP grade.
How should Oxacillin sodium salt monohydrate be handled?
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Handling requires caution due to hazards including skin irritation (H315), sensitisation (H317), eye irritation (H319), respiratory irritation (H335), and potential respiratory sensitisation (H334). Use a dust mask type N95 (US), eyeshields, faceshields, and gloves. Ensure adequate ventilation.
Is Oxacillin sodium salt monohydrate a controlled substance?
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The provided data does not indicate that Oxacillin sodium salt monohydrate is a controlled substance.
How is Oxacillin sodium salt monohydrate packed, shipped, and exported?
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This chemical is carefully packed for safe transport and is exported globally by Tech Serve Solutions, adhering to international shipping regulations for chemical compounds.
How can I request a sample or quote for Oxacillin sodium salt monohydrate?
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To request a sample or quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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