Carbenicillin disodium
Carbenicillin disodium (CAS: 4800-94-6), with the molecular formula C17H16N2Na2O6S and a molecular weight of 422.36 g/mol, is a potent semi-synthetic penicillin antibiotic. It functions by interfering with bacterial cell wall synthesis. This compound is widely utilised in microbiological research for the selection of ampicillin-transformed cells and for investigating the role of penicillin-sensitive transpeptidases in bacterial cell wall biosynthesis.
- IUPAC
- α-Carboxybenzylpenicillin disodium salt
- Synonyms
- α-Carboxybenzylpenicillin disodium salt

Bacterial Cell Wall Synthesis Studies
Carbenicillin disodium is employed in research to investigate the mechanisms of bacterial cell wall biosynthesis. It specifically targets penicillin-sensitive transpeptidases, offering insights into these crucial enzymes.
Selection Agent in Molecular Biology
This compound serves as an effective selection agent in molecular biology. It is used for the isolation of bacterial cells that have been successfully transformed with ampicillin resistance genes.
Antibacterial Research
As a broad-spectrum antibiotic, Carbenicillin disodium is valuable in various antibacterial research applications, aiding in the study of antimicrobial resistance and efficacy.
| Molecular weight | 422.36 |
|---|---|
| Empirical formula | C17H16N2Na2O6S |
| Solubility | H2O: soluble50 mg/mLH2O: soluble (solutions are stable 24 hr at room temp, 72 hr at 2-8°C.)alcohol: soluble |
| Storage temperature | 2-8°C |
| Application | Used for selection of ampr transformed cells. Used to study the role of penicillin-sensitive transpeptidases in cell wall biosynthesis. |
| Suitability | plant cell culture tested |

Hazard statements
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 42/43 |
| Safety statements (S) | 22-36/37 |
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 Carbenicillin disodium used for?
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Carbenicillin disodium is used for the selection of ampicillin transformed cells and to study the role of penicillin-sensitive transpeptidases in cell wall biosynthesis.
What are the CAS number and formula for Carbenicillin disodium?
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The CAS number for Carbenicillin disodium is 4800-94-6, and its molecular formula is C17H16N2Na2O6S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Carbenicillin disodium for research and laboratory use. The specific assay/grade available is not indicated as USP, BP, or EP. For detailed specifications, please refer to the product data sheet.
How should Carbenicillin disodium be handled safely?
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Carbenicillin disodium is classified as a Danger. It may cause an allergic skin reaction (H317) and may cause allergy or asthma symptoms or breathing difficulties if inhaled (H334). Appropriate personal protective equipment, including a dust mask type N95 (US), eyeshields, faceshields, and gloves, should be used. Handle in a well-ventilated area.
Is Carbenicillin disodium suitable for plant cell culture?
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Yes, Carbenicillin disodium has been tested and found suitable for plant cell culture.
How is Carbenicillin disodium packed, shipped, and exported?
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Carbenicillin disodium is stored at 2-8°C. Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents. For specific packing and shipping inquiries, please contact our sales team.
How can I request a sample or quote for Carbenicillin disodium?
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To request a sample or a quotation for Carbenicillin disodium, please contact the Tech Serve Solutions sales department directly through our website or by phone.
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