Semicarbazide Hydrochloride
Semicarbazide hydrochloride is a ureine derivative salt used in pharmaceutical synthesis and as a reagent for carbonyl compound detection. Classified under HTS 2924.21.50.00 as 'other' ureines and derivatives; salts thereof, meeting Chapter 29 requirements for separate chemically defined organic compounds with carboxyamide function.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If primarily used as pharmaceutical intermediate
Heterocyclic compounds with medicinal applications may classify under heading 2933 if ring structure predominates.
If classified as other cyclic amide-function compounds
Alternative cyclic amide categorization if ureine function not principal characteristic.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Provide detailed spectroscopic data (NMR, IR) confirming ureine structure to prevent reclassification
• Label as research chemical if not USP grade to avoid FDA drug import scrutiny
• Check for hydrate forms; water content may affect 'dissolved in water' note (e) exclusion
Related Products under HTS 2924.21.50.00
Urea Dinitrate
Urea dinitrate is a derivative of ureines formed by reacting urea with nitric acid, resulting in a salt with carboxyamide-function structure. It falls under HTS 2924.21.50.00 as 'other' ureines and their derivatives; salts thereof within the cyclic amides category of Chapter 29. This compound is used in chemical synthesis and as an intermediate in organic processes.
1,1-Dimethylurea
1,1-Dimethylurea is a symmetric ureine derivative used as a solvent and in polymer synthesis, featuring the characteristic urea moiety. It qualifies for HTS 2924.21.50.00 as 'other' ureines and their derivatives under Chapter 29's organic compound provisions.
Benzylurea
Benzylurea is an N-substituted ureine derivative used in organic synthesis and pharmaceutical intermediates. Falls under HTS 2924.21.50.00 as 'other' ureines and derivatives; salts thereof, as a chemically defined carboxyamide-function compound.
Allythiourea
Allylthiourea serves as a reagent in analytical chemistry and polymer modification, recognized as a ureine derivative with thio-substitution. Classified in HTS 2924.21.50.00 as 'other' ureines and their derivatives within Chapter 29's organic compounds.
Ethylenethiourea
Ethylenethiourea (2-imidazolidinethione) is a cyclic thio-ureine derivative used in rubber vulcanization and as a reagent. It fits HTS 2924.21.50.00 as 'other' ureines and derivatives; salts thereof per Chapter 29 definitions.
Diphenylurea
Diphenylurea (symmetrical diarylurea) is used in explosives, dyes, and pharmaceuticals as a ureine derivative. HTS 2924.21.50.00 covers it as 'other' ureines and derivatives; salts thereof under Chapter 29 organic compounds.