Chloramphenicol Acetyl Derivative

N-acetyl protected intermediate derivative of chloramphenicol used in synthesis of modified antibiotics. Falls under HTS 2941.40.00.00 as chemically defined chloramphenicol derivative. Pharmaceutical intermediate for research and production.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFreeFree
🇲🇽MexicoFreeFree
🇨🇦CanadaFreeFree
🇩🇪GermanyFreeFree
🇯🇵JapanFreeFree

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2915.90Higher: 13.8% vs Free

If acetic acid ester classification

Note 5(A) esters classified with latest parent (2941 antibiotic over 2915).

2930.90Higher: 13.7% vs Free

If sulfur impurity present

Chapter note excludes organo-sulfur if halogenated derivative nature dominates.

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Import Tips & Compliance

Deprotection stability data needed; acetyl groups hydrolyze above 40°C affecting declared purity

Declare CAS 1442-35-1 or equivalent; generic 'antibiotic' descriptions trigger CBP review

Lab synthesis grade requires TSCA notification for US manufacturing import

Related Products under HTS 2941.40.00.00

Chloramphenicol Base Powder

Pure chloramphenicol base in powdered form, a broad-spectrum antibiotic chemically defined as D-(-)-threo-2,2-dichloro-N-[β-hydroxy-α-(hydroxymethyl)-p-nitrophenethyl]acetamide. It falls under HTS 2941.40.00.00 as a separate chemically defined antibiotic of the chloramphenicol class. Used primarily in pharmaceutical manufacturing for injection or oral formulations.

Chloramphenicol Palmitate USP

Chloramphenicol palmitate, the palmityl ester derivative of chloramphenicol, meeting USP pharmacopeia standards for oral suspension preparation. Classified under HTS 2941.40.00.00 as a derivative and salt of chloramphenicol per the specific antibiotic subheading. This lipid-soluble prodrug converts to active chloramphenicol in the body.

Chloramphenicol Sodium Succinate

Water-soluble sodium succinate salt derivative of chloramphenicol, used for intravenous administration in critical infections. Falls under HTS 2941.40.00.00 as a salt of chloramphenicol per chapter note 5(C)(1) classifying organic salts with parent compounds. Essential for hospital antibiotic therapy.

Chloramphenicol Hydrochloride

Hydrochloride salt form of chloramphenicol for enhanced aqueous solubility in eye drops and topical formulations. HTS 2941.40.00.00 classification as chloramphenicol salt per chapter note prioritizing specific antibiotic headings. Common in veterinary and human ophthalmology.

DChloramphenicol (Dextro Form)

D-threo isomer of chloramphenicol, the biologically active enantiomer used in synthesis of pure antibiotic derivatives. Classified HTS 2941.40.00.00 as chemically defined chloramphenicol derivative per chapter note 1(a). Intermediate for high-purity drug manufacturing.

Chloramphenicol Succinate Monoester

Mono-succinic acid ester derivative of chloramphenicol for parenteral use, less common than disodium salt. HTS 2941.40.00.00 as chloramphenicol derivative per specific antibiotic provision. Used in specialized hospital compounding.