5-Amino-3-phenyl-1,2,4-thiadiazole
5-Amino-3-phenyl-1,2,4-thiadiazole is a specific aromatic heterocyclic compound containing a thiadiazole ring with an amino group and phenyl substituent. It falls under HTS 2934.99.05.00 as one of the explicitly named 'other heterocyclic compounds' that are aromatic or modified aromatic. This chemical is primarily used as an intermediate in pharmaceutical synthesis and agrochemical production.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not explicitly one of the five named compounds
Other aromatic heterocyclic compounds fall into the residual 'other' subcategory rather than this specific listing.
If primarily classified by organo-sulfur characteristics
Chapter notes prioritize organo-sulfur classification over heterocyclic if sulfur linkage dominates the compound identity.
If imported as crude intermediate without purification
Unspecified quaternary ammonium or hydroxide compounds might apply if not meeting pure heterocyclic criteria.
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Import Tips & Compliance
• Provide detailed chemical analysis certificates confirming purity and structure to verify classification under the specific named compound
• Ensure SDS (Safety Data Sheets) and proper hazard labeling for transport as this is a reactive heterocyclic amine
• Avoid misclassification as a general thiadiazole by including CAS number (16182-06-4) on commercial invoices
Related Products under HTS 2934.99.05.00
2-Hydroxybenzoxazole (Benzoxazolone)
2-Hydroxybenzoxazole, also known as benzoxazolone, is an aromatic heterocyclic compound featuring a fused benzene-oxazole ring system. Classified under HTS 2934.99.05.00 as an explicitly named 'other heterocyclic compound' with aromatic character. Used in dye synthesis, polymer additives, and pharmaceutical intermediates.
4-Phenylmorpholine
4-Phenylmorpholine is a six-membered heterocyclic ether containing a nitrogen atom and phenyl substituent, making it aromatic or modified aromatic. It is explicitly listed under HTS 2934.99.05.00 within 'other heterocyclic compounds.' Commonly used as a catalyst in organic synthesis and polymer production.
1,9-Thianthrenedicarboxylic acid
1,9-Thianthrenedicarboxylic acid is a polycyclic aromatic heterocyclic compound with sulfur bridges and carboxylic acid groups. Explicitly named in HTS 2934.99.05.00 under 'other heterocyclic compounds: aromatic.' Used in specialty dyes and advanced material synthesis.
Thioxanthene-9-one (Thioxanthone)
Thioxanthene-9-one, commonly called thioxanthone, is a tricyclic aromatic heterocyclic ketone with a central sulfur atom. It is specifically enumerated under HTS 2934.99.05.00 as an 'aromatic heterocyclic compound.' Widely used as a photoinitiator in UV-curable inks, coatings, and adhesives.
5-Amino-3-phenyl-1,2,4-thiadiazole Technical Grade Powder
Technical grade 5-Amino-3-phenyl-1,2,4-thiadiazole powder (98%+ purity) is the industrial form of this named heterocyclic compound used in agrochemical synthesis. Classified under HTS 2934.99.05.00 due to explicit naming regardless of minor impurities allowed by chapter note (a). Supplied with stabilizer for safe handling.
Benzoxazolone UV Absorber Grade
Benzoxazolone (2-Hydroxybenzoxazole) UV absorber grade is specifically named under HTS 2934.99.05.00 for its aromatic heterocyclic structure. Used in plastics and coatings for light stabilization. Minor anticaking agent permitted per chapter note (f).