5-Amino-3-phenyl-1,2,4-thiadiazole from Mexico
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.
Duty Rate — Mexico → United States
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Import Tips
• 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