Cloxacillin sodium salt monohydrate
Cloxacillin sodium salt monohydrate (CAS 7081-44-9, C19H17ClN3O5SNa · H2O) is a semi-synthetic, chlorinated derivative of oxacillin. This antibacterial agent is a crucial component in treating infections caused by penicillin G-resistant strains of Staphylococcus. Its primary application lies in its efficacy against specific bacterial pathogens, making it a valuable pharmaceutical intermediate. Supplied by Tech Serve Solutions, it is essential for research and manufacturing in the life sciences sector.

Treatment of Bacterial Infections
Cloxacillin sodium salt monohydrate is employed to combat infections caused by penicillin G-resistant Staphylococcus bacteria. It acts by interfering with bacterial cell wall synthesis.
Research and Development
Utilised in laboratory settings for microbiological research and the development of new therapeutic strategies against resistant bacterial strains.
Pharmaceutical Intermediate
Serves as a key intermediate in the synthesis of various antibiotic formulations and related pharmaceutical compounds.
Topical Antibacterial Agent Studies
Has been investigated for its utility as a topical antibacterial agent, particularly in the context of managing burn and crush wounds.
| Molecular weight | 475.88 |
|---|---|
| Linear formula | C19H17ClN3O5SNa · H2O |
| Storage temperature | 2-8°C |
| Application | Cloxacillin is a semi-synthetic antibiotic that is a chlorinated derivative of oxacillin. It is also known as cloxacillin sodium. It is used to treat infections caused by penicillin G-resistant staphylococci1. It has been used in studies of topical antibacterial agent for burn and crush wounds2. |


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) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 36/37/38-42/43 |
| Safety statements (S) | 26-36 |
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 Cloxacillin sodium salt monohydrate used for?
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Cloxacillin sodium salt monohydrate is used to treat infections caused by penicillin G-resistant Staphylococcus bacteria and has been studied as a topical antibacterial agent.
What is the CAS number and formula for Cloxacillin sodium salt monohydrate?
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The CAS number is 7081-44-9 and the chemical formula is C19H17ClN3O5SNa · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical primarily for research and manufacturing purposes. The specific assay and grade are available upon request, and it is not represented as USP, BP, or EP grade unless explicitly stated.
How should Cloxacillin sodium salt monohydrate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, face shields, and gloves. Avoid inhalation of dust and contact with skin and eyes. Refer to the safety data sheet for comprehensive handling instructions.
Is Cloxacillin sodium salt monohydrate a controlled substance?
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This chemical is not listed as a controlled substance in standard regulatory schedules. However, its use is subject to pharmaceutical regulations.
How is this product packed and exported?
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Cloxacillin sodium salt monohydrate is carefully packed according to industry standards for safe transport and export. Details regarding packaging and shipping can be provided upon inquiry.
How can I request a quote or sample?
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To request a quote or a sample of Cloxacillin sodium salt monohydrate, please contact our sales department through the website or by phone, providing your specific requirements.
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