Ampicillin sodium salt
Ampicillin sodium salt (CAS: 69-52-3; Formula: C16H18N3NaO4S; MW: 371.39) is a broad-spectrum, semi-synthetic penicillin derivative. It is widely recognised for its antibacterial properties, interfering with bacterial cell wall synthesis. This product is supplied by TSS for research applications, including studying antibiotic resistance mechanisms, testing the synergy between different antibiotics, and in the development of diagnostic assays.
- IUPAC
- D-(−)-α-Aminobenzylpenicillin sodium salt
- Synonyms
- D-(−)-α-Aminobenzylpenicillin sodium salt

Antibiotic Resistance Research
Used to investigate mechanisms of bacterial resistance and the efficacy of antibiotics in various contexts. It aids in understanding how bacteria develop resistance to common treatments.
Antibiotic Synergy Studies
Facilitates research into the synergistic effects when ampicillin is combined with other antimicrobial agents, exploring enhanced treatment strategies.
Diagnostic Assay Development
Applied in the development of assays, such as PCR-based methods, for the detection of specific antibiotic resistance genes in biological samples.
General Antibacterial Research
A valuable reagent for general microbiological studies focusing on bacterial growth inhibition and the structure-activity relationships of beta-lactam antibiotics.
| Molecular weight | 371.39 |
|---|---|
| Empirical formula | C16H18N3NaO4S |
| Solubility | sterile water: soluble5-20 mg/mL (as a stock solution) |
| Storage temperature | 2-8°C |
| Application | Ampicillin is a semi-synthetic derivative of penicillin that functions as a broad-spectrum antibiotic. It has been used to study antibiotic resistance and penetration limitations, the synergy between multiple antibiotics, certain bloodstream infections, and has been used to develop PCR assays to detect resistance genes in cerebrospinal fluid. |
| Melting point | 215 °C (dec.)(lit.) |

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) | 22-36/37-45 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Product Line | BioXtra |
|---|---|
| Sterility | γ-irradiated |
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 Ampicillin sodium salt used for?
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Ampicillin sodium salt is used in scientific research to study antibiotic resistance, antibiotic synergy, and in the development of diagnostic assays for detecting antibiotic resistance genes.
What are the CAS number and formula for Ampicillin sodium salt?
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The CAS number is 69-52-3, and the empirical formula is C16H18N3NaO4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ampicillin sodium salt as a BioXtra grade product. TSS does not represent this product as USP, BP, or EP grade.
How should Ampicillin sodium salt be handled safely?
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Ampicillin sodium salt is classified with GHS08 symbol and 'Danger' signal word. It carries hazard statements H317 and H334, indicating it may cause an allergic skin reaction and may cause allergy or asthma symptoms or breathing difficulties if inhaled. Appropriate personal protective equipment including dust mask type N95 (US), eyeshields, face shields, and gloves must be worn. Handle in a well-ventilated area and avoid dust formation.
How is Ampicillin sodium salt packaged and shipped?
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Ampicillin sodium salt is sterile and gamma-irradiated, typically supplied for research purposes. TSS, as a global supplier and exporter, ensures appropriate packaging for safe international shipment according to regulations.
How can I request a sample or quote for Ampicillin sodium salt?
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To request a sample or quote, please contact the TSS sales team through our website or by phone, providing the product name and CAS number (69-52-3).
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