Antibiotic Sensitivity Discs – Penicillin 5 Units (Pack of 50)

These high‑quality Penicillin Sensitivity Discs (5 units, Pack of 50) are designed for use in school and college microbiology laboratories to investigate bacterial sensitivity to Penicillin. These sterile discs provide clear and reliable results when used in agar diffusion tests and are intended strictly for educational use. NOT for human or animal consumption.

With no UN hazard classification (UN Number: NR) and no CAS number, these discs are simple and safe to handle when used with appropriate microbiological procedures. They must be stored in a refrigerator between 2°C and 8°C to maintain their integrity and effectiveness.

Key Features

• Sterile Penicillin sensitivity discs for laboratory use
• Pack of 50, suitable for repeated class experiments
• Each disc contains 5 units of Penicillin
• Refrigeration required: store at 2–8°C
• UN Number: NR (Not Regulated)
• CAS Number: N/A
• Not for human or animal consumption
• Designed for educational establishments only

How Penicillin Sensitivity Discs Can Be Used in School Science Lessons

These discs are ideal for microbiology practicals at KS3, GCSE, and A‑Level. They can be used for:

• Antibiotic sensitivity testing with safe cultured bacteria
• Measuring