HS 与 HTS 编码 - 化工上业 28 - 38
Freight all kinds 
Animal & Animal Products 01-05 
Vegetable Products 06-14 
Animal and Vegetable Fats and Oils 15-15 
Foodstuffs, Beverages and Tobacco 16-24 
Mineral Products 25-27 
Chemicals & Allied Industries 28-38 
Plastics/Rubbers 39-40 
Raw Hides, Skins, Leather, & Furs 41-43 
Wood & Wood Products 44-46 
Pulp of Wood and Fibrous Material 47-49 
Textiles 50-63 
Footwear/Headgear 64-67 
Stone/Glass 68-70 
Precious Stone, Metal, Pearls and Coins 71-71 
Base Metals 72-83 
Machinery/Electrical 84-85 
Vehicles 86-89 
Precision Instruments 90-92 
Arms and Ammunition 93-93 
Miscellaneous Manufactured Articles 94-96 
Works of Art 97-97 
Unique US National HS Codes 98-99 Code
Product Name
293355
Heterocyclic compounds, containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, loprazolam (INN), mecloqualone (INN), methaqualone (INN), and zipeprol (INN), salts thereof
293359
Heterocyclic compounds, containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, (other than malonylurea and its derivatives, loprazolam, mecloqualone, methaqualone, zipeprol, and salts thereof) n.e.c. in 2933.5
293361
Heterocyclic compounds, containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine
293369
Heterocyclic compounds, containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine
293371
Heterocyclic compounds, lactams, 6-hexanelactam (epsilon-caprolactam)
293372
Heterocyclic compounds, lactams, clobazam (INN) and methyprylon (INN)
293379
Heterocyclic compounds, lactams, other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)
293391
Heterocyclic compounds, alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)
293392
Heterocyclic compounds, azinphos-methyl (ISO)
293399
Heterocyclic compounds, n.e.c. in headings no. 2933
293410
Heterocyclic compounds, containing an unfused thiazole ring (whether or not hydrogenated) in the structure
293420
Heterocyclic compounds, containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused
293430
Heterocyclic compounds, containing in the structure, a phenothiazine ring-system (whether or not hydrogenated), not further fused
293491
Other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3
293499
Nucleic acids and their salts, other heterocyclic compounds, n.e.c. in heading number 2934
293510
Sulphonamides, N-methylperfluorooctane sulphonamide
293520
Sulphonamides, N-ethylperfluorooctane sulphonamide
293530
Sulphonamides, N-ethyl-N-(2-hydroxyethyl) perfluorooctane sulphonamide
293540
Sulphonamides, N-(2-hydroxyethyl)-N-methylperfluorooctane sulphonamide
293550
Sulphonamides, other perfluorooctane sulphonamides
