Erythromycin Ethylsuccinate
Erythromycin ethylsuccinate is a macrolide antibiotic ester for improved oral absorption. Classifies under HTS 2941.90.50.00 as other antibiotics; esters follow parent acid-function compound per Chapter 29 note 3(A). Meets purity standards for chemically defined substances.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified under specific macrolides
Certain macrolide antibiotics have dedicated earlier provisions.
If succinic acid ester function predominates
Esters classified with antibiotic parent per note 3(A/B), not carboxylic acid esters.
If penicillin combination product
Combination medicaments with multiple APIs go to Chapter 30.
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Import Tips & Compliance
• Hydrolysis stability data required for ester antibiotics
• Specify free base equivalent potency
• Avoid enteric coating suggesting finished product
Related Products under HTS 2941.90.50.00
Streptomycin Sulfate USP
Streptomycin sulfate is a semi-synthetic aminoglycoside antibiotic derived from Streptomyces griseus, used primarily for treating tuberculosis and other bacterial infections. It falls under HTS 2941.90.50.00 as an 'other' antibiotic not specifically enumerated elsewhere in heading 2941. This classification applies to pure antibiotic substances meeting Chapter 29 notes for chemically defined organic compounds.
Polymyxin B Sulfate Powder
Polymyxin B sulfate is a polypeptide antibiotic effective against Gram-negative bacteria, used in topical and systemic formulations. Classified under HTS 2941.90.50.00 as an 'other' antibiotic substance in bulk powder form. Meets Chapter 29 requirements for chemically defined organic compounds used primarily as antibiotics.
Vancomycin Hydrochloride USP
Vancomycin hydrochloride is a glycopeptide antibiotic used for serious Gram-positive infections including MRSA. This bulk active pharmaceutical ingredient (API) falls under HTS 2941.90.50.00 as an 'other' antibiotic not covered by specific streptomycins or penicillins provisions. Qualifies as chemically defined per Chapter 29 note (a).
Gentamicin Sulfate BP
Gentamicin sulfate is an aminoglycoside antibiotic complex effective against aerobic Gram-negative bacteria. Imported as bulk powder for pharmaceutical formulation, it classifies under HTS 2941.90.50.00 as 'other' antibiotics. Complies with Chapter 29 requirements for separate chemically defined compounds.
Neomycin Sulfate USP Powder
Neomycin sulfate is an aminoglycoside antibiotic used primarily in topical formulations and veterinary medicine. This sterile bulk powder API classifies under HTS 2941.90.50.00 as other antibiotics. Defined as chemically pure organic compound per Chapter 29 scope.
Bacitracin Zinc Powder
Bacitracin zinc is a polypeptide antibiotic combined with zinc for stability, used in topical ointments. Falls under HTS 2941.90.50.00 as other antibiotics; zinc salt classified with parent antibiotic per Chapter 29 note 3(C)(1). Chemically defined organic compound meeting chapter criteria.