Antibiotic susceptibility discs (AST discs) from Liofilchem, distributed by Kormay across Canada, for standardized disc diffusion testing (Kirby-Bauer method) in clinical microbiology, veterinary diagnostics, and pharmaceutical quality control labs. Each disc delivers a fixed antimicrobial concentration onto inoculated agar to determine bacterial susceptibility or resistance.
- Single-antibiotic and combination discs across major antimicrobial classes (beta-lactams, aminoglycosides, tetracyclines, macrolides, glycopeptides, and more)
- Supplied in cartridges of 50 discs for use with standard disc dispensers
- Includes newer agents (e.g. cefiderocol, eravacycline, omadacycline) alongside established antibiotics
- Suited to CLSI/EUCAST-based susceptibility testing workflows
Search by antibiotic name or abbreviation below, or contact Kormay to build a custom AST panel for your lab's testing protocol.
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Liofilchem
Oxacillin OX 1 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Oritavancin ORI 5 µg Antibiotic discs for susceptibility tests
Sale priceFrom $185.00 CAD
Regular price$205.00 CAD
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Liofilchem
Ofloxacin OFX 5 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Novobiocin NO 5 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Novobiocin NO 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Norfloxacin NOR 10 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Nitroxoline NI 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Nitrofurantoin F 50 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Nitrofurantoin F 100 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Netilmicin NET 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Netilmicin NET 10 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Neomycin N 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Neomycin N 10 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Nalidixic Acid NA 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Nafcillin NAF 1 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
Save $16.00


Liofilchem
Mupirocin MUP 5 µg Antibiotic discs for susceptibility tests
Sale price$145.00 CAD
Regular price$161.00 CAD
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Liofilchem
Mupirocin MUP 200 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
Save $45.00

Liofilchem
Multodisc Gram-neg TE30-C30-CIP5-TOB10-CAZ10-PX10
Sale price$409.00 CAD
Regular price$454.00 CAD
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Liofilchem
Moxifloxacin MXF 5 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Minocycline MN 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Mezlocillin MEZ 75 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
Save $16.00


Liofilchem
Metronidazole MTZ 50 µg Antibiotic discs for susceptibility tests
Sale priceFrom $145.00 CAD
Regular price$161.00 CAD
Save $10.00


Liofilchem
Metronidazole MTZ 5 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
