← All CategoriesAPI Portfolio

Antibiotics / Antibacterial APIs

Penicillins, cephalosporins, fluoroquinolones, aminoglycosides, and glycopeptides — including beta-lactamase inhibitor combinations — for bacterial infection management. Supplied in USP/EP/BP grade for oral and sterile injectable formulation manufacturing.

Regulatory ReadyCOA, DMF & CEP supportUSP / EP / BPPharmacopoeial grade APIsFull TraceabilityBatch-to-batch documentation
Request Antibiotics / Antibacterial API Catalogue
All Antibiotics / Antibacterial APIs

38 APIs available

Page 2 of 2
CAS 13412-64-1 (sodium) Product Code AB-021 WHO-GMP

Dicloxacillin

Beta-lactamase-resistant penicillin supplied as sodium salt monohydrate — the standard trading form, USP/EP/BP grade — for oral capsule and suspension formulation manufacturing.

USP EP BP Oral
Antibiotics / Antibacterial API

Dicloxacillin

CAS
13412-64-1 (sodium)
Product Code
AB-021
Category
Antibiotics / Antibacterial
Specification
USP / EP / BP
Quality
WHO-GMP
Applications
Oral

Full description

Beta-lactamase-resistant penicillin supplied as sodium salt monohydrate — the standard trading form, USP/EP/BP grade — for oral capsule and suspension formulation manufacturing.

CAS 24390-14-5 (hyclate) Product Code AB-022 WHO-GMP

Doxycycline

Broad-spectrum tetracycline supplied as hyclate salt — the standard trading form, USP/BP grade — for oral tablet, capsule, and injectable formulation manufacturing.

USP BP Oral Injection
Antibiotics / Antibacterial API

Doxycycline

CAS
24390-14-5 (hyclate)
Product Code
AB-022
Category
Antibiotics / Antibacterial
Specification
USP / BP
Quality
WHO-GMP
Applications
Oral · Injection

Full description

Broad-spectrum tetracycline supplied as hyclate salt — the standard trading form, USP/BP grade — for oral tablet, capsule, and injectable formulation manufacturing.

CAS 93106-60-6 Product Code AB-024 WHO-GMP

Enrofloxacin

Fluoroquinolone for veterinary injectable and oral suspension formulation manufacturing. Note: veterinary-only — not approved for human therapeutic use in most markets.

Oral Injection
Antibiotics / Antibacterial API

Enrofloxacin

CAS
93106-60-6
Product Code
AB-024
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral · Injection

Full description

Fluoroquinolone for veterinary injectable and oral suspension formulation manufacturing. Note: veterinary-only — not approved for human therapeutic use in most markets.

Source note

veterinary-only — not approved for human therapeutic use in most markets.

CAS 106560-14-9 (base) / 122547-49-3 (sodium) Product Code AB-023 WHO-GMP

Faropenem

Orally-active penem-class beta-lactam, available as free base and sodium salt, for tablet formulation manufacturing — broad-spectrum coverage including beta-lactamase-producing organisms.

Oral
Antibiotics / Antibacterial API

Faropenem

CAS
106560-14-9 (base) / 122547-49-3 (sodium)
Product Code
AB-023
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral

Full description

Orally-active penem-class beta-lactam, available as free base and sodium salt, for tablet formulation manufacturing — broad-spectrum coverage including beta-lactamase-producing organisms.

CAS 112811-59-3 Product Code AB-025 WHO-GMP

Gatifloxacin

Fourth-generation fluoroquinolone in pharmaceutical grade for oral tablet and ophthalmic solution formulation manufacturing.

Oral Ophthalmic
Antibiotics / Antibacterial API

Gatifloxacin

CAS
112811-59-3
Product Code
AB-025
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral · Ophthalmic

Full description

Fourth-generation fluoroquinolone in pharmaceutical grade for oral tablet and ophthalmic solution formulation manufacturing.

CAS fixed 1:1 ratio Product Code AB-026 WHO-GMP

Imipenem with Cilastatin

Carbapenem antibiotic co-formulated 1:1 with the dehydropeptidase inhibitor cilastatin, which is mandatory (not optional) to prevent renal degradation, for sterile injectable formulation manufacturing.

Injection
Antibiotics / Antibacterial API

Imipenem with Cilastatin

CAS
fixed 1:1 ratio
Product Code
AB-026
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Injection

Full description

Carbapenem antibiotic co-formulated 1:1 with the dehydropeptidase inhibitor cilastatin, which is mandatory (not optional) to prevent renal degradation, for sterile injectable formulation manufacturing.

CAS 138199-71-0 (hemihydrate) Product Code AB-027 WHO-GMP

Levofloxacin

Third-generation fluoroquinolone, the S-enantiomer of ofloxacin, supplied as hemihydrate — USP/BP grade — for oral tablet and injectable formulation manufacturing.

USP BP Oral Injection
Antibiotics / Antibacterial API

Levofloxacin

CAS
138199-71-0 (hemihydrate)
Product Code
AB-027
Category
Antibiotics / Antibacterial
Specification
USP / BP
Quality
WHO-GMP
Applications
Oral · Injection

Full description

Third-generation fluoroquinolone, the S-enantiomer of ofloxacin, supplied as hemihydrate — USP/BP grade — for oral tablet and injectable formulation manufacturing.

CAS 186826-86-8 (HCl) Product Code AB-028 WHO-GMP

Moxifloxacin

Fourth-generation fluoroquinolone supplied as hydrochloride salt for oral tablet, injectable, and ophthalmic solution formulation manufacturing.

Oral Injection Ophthalmic
Antibiotics / Antibacterial API

Moxifloxacin

CAS
186826-86-8 (HCl)
Product Code
AB-028
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral · Injection · Ophthalmic

Full description

Fourth-generation fluoroquinolone supplied as hydrochloride salt for oral tablet, injectable, and ophthalmic solution formulation manufacturing.

CAS 12650-69-0 Product Code AB-029 WHO-GMP

Mupirocin

Pseudomonic acid topical antibiotic in USP/BP/EP/IP grade for ointment and cream formulation manufacturing, primarily for MRSA nasal decolonisation.

USP BP EP IP Topical Nasal
Antibiotics / Antibacterial API

Mupirocin

CAS
12650-69-0
Product Code
AB-029
Category
Antibiotics / Antibacterial
Specification
USP / BP / EP / IP
Quality
WHO-GMP
Applications
Topical · Nasal

Full description

Pseudomonic acid topical antibiotic in USP/BP/EP/IP grade for ointment and cream formulation manufacturing, primarily for MRSA nasal decolonisation.

CAS 1405-10-3 Product Code AB-030 WHO-GMP

Neomycin Sulphate

Aminoglycoside sulfate salt in USP/EP/BP grade for oral tablet, topical, and combination formulation manufacturing — not used systemically due to nephro/ototoxicity.

USP EP BP Oral Topical
Antibiotics / Antibacterial API

Neomycin Sulphate

CAS
1405-10-3
Product Code
AB-030
Category
Antibiotics / Antibacterial
Specification
USP / EP / BP
Quality
WHO-GMP
Applications
Oral · Topical

Full description

Aminoglycoside sulfate salt in USP/EP/BP grade for oral tablet, topical, and combination formulation manufacturing — not used systemically due to nephro/ototoxicity.

CAS 82419-36-1 Product Code AB-031 WHO-GMP

Ofloxacin

Second-generation racemic fluoroquinolone in USP/BP grade for oral tablet, injectable, and ophthalmic solution formulation manufacturing.

USP BP Oral Injection Ophthalmic
Antibiotics / Antibacterial API

Ofloxacin

CAS
82419-36-1
Product Code
AB-031
Category
Antibiotics / Antibacterial
Specification
USP / BP
Quality
WHO-GMP
Applications
Oral · Injection · Ophthalmic

Full description

Second-generation racemic fluoroquinolone in USP/BP grade for oral tablet, injectable, and ophthalmic solution formulation manufacturing.

CAS fixed 8:1 ratio Product Code AB-032 WHO-GMP

Piperacillin with Tazobactam

Extended-spectrum penicillin/beta-lactamase inhibitor combination at the fixed pharmacopoeial 8:1 ratio for sterile injectable formulation manufacturing.

Injection
Antibiotics / Antibacterial API

Piperacillin with Tazobactam

CAS
fixed 8:1 ratio
Product Code
AB-032
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Injection

Full description

Extended-spectrum penicillin/beta-lactamase inhibitor combination at the fixed pharmacopoeial 8:1 ratio for sterile injectable formulation manufacturing.

CAS 110871-86-8 Product Code AB-033 WHO-GMP

Sparfloxacin

Third-generation fluoroquinolone in pharmaceutical grade for oral tablet formulation manufacturing. Note: restricted or withdrawn in the US/EU due to phototoxicity and cardiotoxicity concerns.

Oral
Antibiotics / Antibacterial API

Sparfloxacin

CAS
110871-86-8
Product Code
AB-033
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral

Full description

Third-generation fluoroquinolone in pharmaceutical grade for oral tablet formulation manufacturing. Note: restricted or withdrawn in the US/EU due to phototoxicity and cardiotoxicity concerns.

Source note

restricted or withdrawn in the US/EU due to phototoxicity and cardiotoxicity concerns.

CAS 8025-81-8 Product Code AB-034 WHO-GMP

Spiramycin

16-membered macrolide antibiotic mixture (components I/II/III) in pharmaceutical grade for oral tablet and suspension formulation manufacturing.

Oral
Antibiotics / Antibacterial API

Spiramycin

CAS
8025-81-8
Product Code
AB-034
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral

Full description

16-membered macrolide antibiotic mixture (components I/II/III) in pharmaceutical grade for oral tablet and suspension formulation manufacturing.

CAS 69388-84-7 Product Code AB-035 WHO-GMP

Sulbactam Sodium Sterile

Beta-lactamase inhibitor sodium salt, sterile grade, for parenteral combination formulation manufacturing alongside beta-lactam antibiotics.

Injection
Antibiotics / Antibacterial API

Sulbactam Sodium Sterile

CAS
69388-84-7
Product Code
AB-035
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Injection

Full description

Beta-lactamase inhibitor sodium salt, sterile grade, for parenteral combination formulation manufacturing alongside beta-lactam antibiotics.

CAS 61036-62-2 Product Code AB-036 WHO-GMP

Teicoplanin

Glycopeptide antibiotic complex (multiple A2 components) in EP grade for sterile injectable formulation manufacturing, used as a vancomycin alternative for resistant gram-positive infections.

EP Injection
Antibiotics / Antibacterial API

Teicoplanin

CAS
61036-62-2
Product Code
AB-036
Category
Antibiotics / Antibacterial
Specification
EP
Quality
WHO-GMP
Applications
Injection

Full description

Glycopeptide antibiotic complex (multiple A2 components) in EP grade for sterile injectable formulation manufacturing, used as a vancomycin alternative for resistant gram-positive infections.

CAS 738-70-5 Product Code AB-037 WHO-GMP

Trimethoprim

Dihydrofolate reductase inhibitor in pharmaceutical grade for oral tablet formulation manufacturing, typically co-formulated with sulfonamides for urinary tract infection treatment.

Oral
Antibiotics / Antibacterial API

Trimethoprim

CAS
738-70-5
Product Code
AB-037
Category
Antibiotics / Antibacterial
Quality
WHO-GMP
Applications
Oral

Full description

Dihydrofolate reductase inhibitor in pharmaceutical grade for oral tablet formulation manufacturing, typically co-formulated with sulfonamides for urinary tract infection treatment.

CAS 1404-93-9 Product Code AB-038 WHO-GMP

Vancomycin HCl

Glycopeptide antibiotic supplied as hydrochloride salt — the standard trading form, EP grade — for sterile IV injectable and oral formulation manufacturing against MRSA and C. difficile infections.

EP Oral Injection
Antibiotics / Antibacterial API

Vancomycin HCl

CAS
1404-93-9
Product Code
AB-038
Category
Antibiotics / Antibacterial
Specification
EP
Quality
WHO-GMP
Applications
Oral · Injection

Full description

Glycopeptide antibiotic supplied as hydrochloride salt — the standard trading form, EP grade — for sterile IV injectable and oral formulation manufacturing against MRSA and C. difficile infections.

WHO-GMP Certified Sources
Global Delivery
Regulatory Support
Consistent Quality
Secure Packaging / Custom Options

Your RFQ List