2-Acetylamino-5-nitrothiazole
This nitro-substituted aromatic thiazole with acetamido group serves as veterinary pharmaceutical intermediate. The unfused thiazole ring with nitro derivative qualifies for HTS 2934.10.20.00 per Chapter 29 note on halogenated/nitrated derivatives. Chemically defined organic compound.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If carboxamide oxygen-function considered principal characteristic
Acetylamino group may classify under 2924 carboxamide heading per oxygen-function rules.
If when used in pesticide/herbicide formulations
Pesticide active ingredients containing heterocycles classify in Chapter 38.
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Import Tips & Compliance
• NMR spectrum confirming nitro-thiazole substitution pattern required
• Declare as 'vet pharma intermediate' vs finished animal drug product
• Stability data prevents reclassification as stabilized preparation under note (f)
Related Products under HTS 2934.10.20.00
2-Aminothiazole
2-Aminothiazole is an aromatic heterocyclic compound containing an unfused thiazole ring with an amino group at the 2-position. It falls under HTS 2934.10.20.00 as an aromatic thiazole derivative used primarily as a pharmaceutical intermediate. This chemically defined organic compound meets Chapter 29 requirements for separate classification.
4-Methylthiazole
4-Methylthiazole is a simple aromatic thiazole ring with a methyl substituent at the 4-position, used in flavor synthesis and pharmaceuticals. Classified under HTS 2934.10.20.00 as 'other' aromatic unfused thiazole compounds. Meets Chapter 29 criteria for chemically defined heterocycles.
Thiamine Hydrochloride (Vitamin B1)
Thiamine hydrochloride contains a substituted pyrimidine-thiazolium structure with an unfused aromatic thiazole ring, classified as a vitamin but tariffed as its heterocyclic component. Falls under HTS 2934.10.20.00 as 'other' aromatic thiazole compound per Chapter 29 precedence. The thiazole ring determines classification over vitamin function.
2-Mercaptothiazoline
2-Mercaptothiazoline (2-thiazoline-2-thiol) features a hydrogenated thiazole ring (thiazoline) with aromatic character through conjugation, used in rubber vulcanization. HTS 2934.10.20.00 covers 'whether or not hydrogenated' aromatic/modified aromatic thiazoles. Chemically defined per Chapter 29 note (a).
Ritodrine Hydrochloride
Ritodrine hydrochloride is a beta-adrenergic agonist containing a phenethylamine linked to a modified aromatic thiazole ring, used as tocolytic agent. The unfused thiazole determines HTS 2934.10.20.00 classification as 'other' aromatic thiazole. Pharmaceutical intermediates with heterocyclic principal structure.
Famotidine
Famotidine, an H2-receptor antagonist, contains a thiazole ring linked to guanidine and imidazole moieties in its aromatic heterocyclic structure. Classified under HTS 2934.10.20.00 as the principal thiazole component per numerical order rule. Used in ulcer treatment pharmaceuticals.