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
Tobramycin TOB 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Tobramycin TOB 10 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Tilmicosin TIL 15 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Tigecycline TGC 15 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Ticarcillin TC 75 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Tetracycline TE 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Temocillin TMO 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Teicoplanin TEC 30 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Tedizolid TZD 2 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulfonamide S3 300 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulfaprima SXT 50 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulfamethoxazole SMX 50 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulfamethoxazole SMX 100 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulfafurazole SF 300 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulfadiazine SUZ 300 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Sulbactam SU 20 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD


Liofilchem
AST DISC Streptomycin S 50 µg - Microbiology Testing Disc (lab use only)
Sale price$93.00 CAD
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Liofilchem
Streptomycin S 300 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Streptomycin S 10 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Spiramycin SP 100 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD
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Liofilchem
Spectinomycin SPC 100 µg Antibiotic discs for susceptibility tests
Sale priceFrom $87.00 CAD
Regular price$97.00 CAD

Liofilchem
AST DISC Spectinomycin SPC 10 ug - Microbiology Testing Disc (lab use only)
Sale price$93.00 CAD
Save $16.00


Liofilchem
Sodium Fusidate FC 30 µg Antibiotic discs for susceptibility tests
Sale price$145.00 CAD
Regular price$161.00 CAD
