Enter the CAS number of the target product, click Search, and jump to the HS Code details page of the corresponding product.
3-bromo-8-phenylimidazo[1,2-a]pyridine
Hs code：2933990090
2-PYRROLIDIN-3-YL-PYRAZINE HCL
Hs code：2933990090
2-Ethyl-2-oxazoline
Hs code：29349990
METHYL TERT-BUTYLACETATE
Hs code：2915900090
PYRROLIDINE, 3-CHLORO-, HYDROCHLORIDE
Hs code：2933990090
1-(4-Methyl-benzyl)-piperidine-2-carboxylic acid
Hs code：2933399090
2-Thiophenecarboxylicacid,5-amino-4-nitro-,methylester(9CI)
Hs code：2934999090
ERBIUM CHLORIDE HEXAHYDRATE
Hs code：2846902035
2-Amino-5-formylthiazole
Hs code：29349990
Tetrahydrothiopyran-4-one
Hs code：29349990
HS Code, or Harmonized System (HS) Code, is an internationally standardized numbering system developed by the World Customs Organization (WCO) to classify traded products. It uses a globally accepted six-digit code structure to help customs authorities identify goods for the purpose of collecting duties, taxes, and statistics. The first two digits represent the chapter (general category) of the product, the next two digits represent the heading (more specific category within the chapter), and the last two digits represent the subheading (more specific classification within the heading). Countries can extend this code by adding more digits based on national regulations - for example, the United States uses a 10-digit Schedule B code. HS Codes are essential to ensure trade consistency, enabling smoother customs clearance, reasonable tariff collection, and accurate trade data management.
To lookup the HS code for a product, you can use online search tools, consult government websites, or seek assistance from licensed customs brokers. When classifying HS codes for chemicals, one must consider the substance’s chemical composition and functional properties. Chemicals typically fall under Chapters 28 to 38 of the HS Code. Chapter 28 covers inorganic chemicals (like hydrogen peroxide or sodium hydroxide), Chapter 29 focuses on organic chemicals (such as alcohols and ketones), and Chapter 38 includes miscellaneous chemical products like pesticides and catalysts. Accurate classification involves understanding the chemical’s structure, identifying its category—whether inorganic, organic, or a preparation—and referring to relevant chapter notes and definitions. For example, HS code 2912 refers to aldehydes and their polymers, while 3808.91 represents insecticides.
