Cycloserine USP
Cycloserine is a natural antibiotic derived from Streptomyces orchidaceus, used for tuberculosis treatment. It is a separate chemically defined organic compound, meeting Chapter 29 Note 1(a) requirements.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is in bulk powder form, not formulated for retail sale, to avoid classification under Chapter 30
• Provide a CoA to demonstrate chemical purity
• Verify if a controlled substance permit is needed, as cycloserine may be regulated
Related Products under Tariff item 2941.90.00
Amoxicillin Trihydrate
Amoxicillin trihydrate is a semi-synthetic penicillin antibiotic with a modified aromatic structure derived from 6-aminopenicillanic acid. It is classified under the residual 'Other' tariff item for antibiotics, as it is not specifically named in the tariff.
Amphotericin B
Amphotericin B is a natural polyene antifungal antibiotic produced by Streptomyces nodosus, used to treat systemic fungal infections. It is a separate chemically defined organic compound, qualifying under Chapter 29 Note 1(a).
Bacitracin Zinc
Bacitracin zinc is a natural polypeptide antibiotic produced by Bacillus subtilis, effective against gram-positive infections. As a zinc salt of the organic compound bacitracin, it is classified with the parent compound under Chapter 29 Note 5(C)(1).
Bacitracin Zinc Powder
Bacitracin zinc is a polypeptide antibiotic stabilized with zinc, commonly used in topical ointments for skin infections. It is a chemically defined organic compound and a salt of an antibiotic, classified under tariff item 2941.90.00 as 'Other' antibiotics.
Bacitracin Zinc USP
Bacitracin zinc is a natural polypeptide antibiotic produced by Bacillus subtilis fermentation, used for topical bacterial infections. It is a natural antibiotic not specifically named in the tariff, so it falls under the residual 'Other' tariff item for antibiotics.
Capreomycin Sulfate USP
Capreomycin sulfate is a natural cyclic peptide antibiotic derived from Streptomyces capreolus, used for multi-drug-resistant tuberculosis. As a natural antibiotic not specifically named in the tariff, it is classified under the residual 'Other' tariff item for antibiotics.