Polymyxin B Sulfate
Polymyxin B sulfate, derived from Paenibacillus polymyxa bacteria, is a natural cationic polypeptide antibiotic for gram-negative infections. Falls under HTS 2941.90.10 as a natural antibiotic, chemically defined per Chapter 29 scope.
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Import Tips & Compliance
• FDA prior notice required; sulfate salt classifies with base per note 5(C)(1); test for endotoxin levels pre-shipment
Related Products under HTS 2941.90.10
Penicillin G Potassium
Penicillin G potassium is a natural beta-lactam antibiotic derived from Penicillium fungi, used to treat bacterial infections. It falls under HTS 2941.90.10 as a natural antibiotic in pure form, separate chemically defined organic compound per Chapter 29 note (a). Primarily imported for pharmaceutical manufacturing and clinical use.
Bacitracin Zinc
Bacitracin zinc is a natural polypeptide antibiotic produced by Bacillus subtilis bacteria, effective against gram-positive infections. Classified under HTS 2941.90.10 as a natural antibiotic, meeting Chapter 29 requirements for chemically defined organic compounds from natural sources.
Tyrothricin Powder
Tyrothricin is a natural antibiotic complex from Bacillus brevis, containing gramicidin and tyrocidine for topical antibacterial use. HTS 2941.90.10 covers this as a natural antibiotic, a separate chemically defined organic compound per chapter notes.
Neomycin Sulfate USP
Neomycin sulfate is a natural aminoglycoside antibiotic from Streptomyces fradiae, used in topical and veterinary applications. HTS 2941.90.10 applies to this natural antibiotic as a chemically defined compound from microbial fermentation.
Gramicidin Powder
Gramicidin, a natural linear peptide antibiotic from Bacillus brevis, targets gram-positive bacteria in topical formulations. Classified in HTS 2941.90.10 as a natural antibiotic, separate organic compound per chapter definitions.
Nystatin USP Powder
Nystatin is a natural polyene antifungal antibiotic produced by Streptomyces noursei, effective against Candida infections. HTS 2941.90.10 covers natural antibiotics including this chemically defined antifungal compound.