Glutarimide

Glutarimide features a six-membered cyclic imide ring used in synthesis of pharmaceuticals like thalidomide analogs. HTS 2924.29.95.00 covers it as an unspecified cyclic amide derivative. Research applications in anti-inflammatory drug development.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChina6.5%+25.0%31.5%
๐Ÿ‡ฒ๐Ÿ‡ฝMexico6.5%โ€”6.5%
๐Ÿ‡จ๐Ÿ‡ฆCanada6.5%โ€”6.5%
๐Ÿ‡ฉ๐Ÿ‡ชGermany6.5%โ€”6.5%
๐Ÿ‡ฏ๐Ÿ‡ตJapan6.5%โ€”6.5%

Alternative Classifications

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

2933.59Lower: 16.5% vs 31.5%

If thalidomide precursor classification

Specific pharmaceuticals may have heterocyclic priority.

3002.90Lower: 10% vs 31.5%

If for immunological product synthesis

Excluded from chapter 29 per chapter note (e).

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Import Tips & Compliance

โ€ข Restricted analogs require DEA oversight; provide research use statement; purity >98% typically required for synthesis

Related Products under HTS 2924.29.95.00

Diketopiperazine

Diketopiperazine is a cyclic amide formed by the condensation of two amino acids, featuring a six-membered ring with two amide groups. It falls under HTS 2924.29.95.00 as a cyclic amide derivative not specified elsewhere in the heading. Commonly used as a peptide synthesis intermediate in pharmaceutical manufacturing.

N-Acetylpiperazine

N-Acetylpiperazine is a cyclic amide derivative where an acetyl group is attached to the nitrogen of piperazine, a six-membered heterocyclic ring. Classified under HTS 2924.29.95.00 as an 'other' cyclic amide not covered by principal headings. Used as an intermediate in pharmaceutical synthesis for drugs like ofloxacin.

2-Pyrrolidone (Pyrrolidin-2-one)

2-Pyrrolidone is a five-membered cyclic amide (lactam) widely used as a solvent in polymer manufacturing and pharmaceutical formulations. It qualifies for HTS 2924.29.95.00 as a cyclic amide derivative outside principal named compounds. Known for its high boiling point and water miscibility.

Caprolactam

Caprolactam is a seven-membered ring lactam serving as the monomer for nylon-6 polymer production. It falls under HTS 2924.29.95.00 as an 'other' cyclic amide not principal-named. Global production exceeds millions of tons annually for synthetic fiber manufacturing.

N-Methylpyrrolidone (NMP)

N-Methyl-2-pyrrolidone (NMP) is an N-substituted cyclic amide used as a high-performance solvent in electronics, petrochemicals, and paint strippers. Classified in HTS 2924.29.95.00 as a cyclic amide derivative. Subject to EPA regulations due to reproductive toxicity concerns.

Ethosuximide

Ethosuximide is a cyclic amide derivative used as an anticonvulsant medication for absence seizures. It features a succinimide ring structure qualifying it for HTS 2924.29.95.00 as 'other' cyclic amide. Supplied as pharmaceutical API in bulk powder form.