Cephradine
Cephradine (CAS: 38821-53-3) is a semi-synthetic cephalosporin antibiotic with the molecular formula C16H19N3O4S and a molecular weight of 349.40 g/mol. It is primarily utilised in research settings to investigate the inhibition of penicillin-binding proteins (PBPs), particularly PBP3, and their impact on bacterial cell wall synthesis. This compound serves as a valuable tool in understanding the mechanisms of antibacterial action and resistance.
- IUPAC
- Cefradin

Antibacterial Research
Cephradine is employed in laboratory research to study the effects of penicillin-binding proteins (PBPs), including PBP3, on bacterial cell wall mucopeptide synthesis. It helps in understanding the expression, binding, and inhibition of these crucial enzymes.
Mechanism of Action Studies
This antibiotic serves as a tool to elucidate the intricate mechanisms by which cephalosporins interfere with bacterial cell wall synthesis. Researchers utilise Cephradine to explore how beta-lactam structures impact bacterial viability.
Biochemical Assays
As a well-defined biochemical reagent, Cephradine can be used in various in vitro assays related to antibacterial drug discovery and development, aiding in the screening of potential new compounds or understanding resistance pathways.
| Molecular weight | 349.40 |
|---|---|
| Empirical formula | C16H19N3O4S |
| Storage temperature | 2-8°C |
| Application | Cefradin is a semi-synthetic cephalosporin antibiotic that is used to study the effect of expression, binding, and inhibition of PBP3 and other penicillin-binding proteins (PBPs) on bacterial cell wall mucopeptide synthesis. |


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
| Water hazard class (WGK, DE) | 2 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 36/37/38-42/43 |
| Safety statements (S) | 22-26-36/37-45 |
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 Cephradine used for?
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Cephradine is used in research to study the effect of penicillin-binding proteins (PBPs) on bacterial cell wall synthesis and to investigate the mechanisms of antibacterial action.
What are the CAS number and formula for Cephradine?
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The CAS number for Cephradine is 38821-53-3, and its empirical formula is C16H19N3O4S.
What grade and purity does Tech Serve Solutions supply for Cephradine?
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Tech Serve Solutions supplies Cephradine as a research-grade chemical. The exact assay and purity are available on the product's Certificate of Analysis. We do not represent this product as USP, BP, or EP grade.
How should Cephradine be handled safely?
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Cephradine is classified as a Danger substance. It can cause skin irritation (H315), allergic skin reactions (H317), serious eye irritation (H319), and may cause allergy or asthma symptoms or breathing difficulties if inhaled (H334), and may cause respiratory irritation (H335). Always handle with appropriate personal protective equipment (PPE) in a well-ventilated area, avoiding inhalation and contact with skin and eyes. Refer to the Safety Data Sheet (SDS) for full details.
Is Cephradine a controlled substance?
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The provided data does not indicate that Cephradine is a controlled substance. However, users should consult local regulations for specific requirements.
How is Cephradine packed, shipped, and exported?
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Tech Serve Solutions packs and ships Cephradine according to industry best practices for chemical reagents. We are a specialist global supplier and exporter, ensuring compliant and secure delivery worldwide.
How can I request a sample or quote for Cephradine?
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To request a sample or a quote for Cephradine, please use the contact form on our website or contact our sales team directly. Provide your specific requirements and shipping details.
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