Barbituric Acid (pure)
Malonylurea, also known as barbituric acid, is the parent pyrimidine heterocyclic compound. Directly classifiable under HTS 2933.52.9000 as the base compound and its salts (excluding specifics).
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not confirmed pyrimidine structure
Other heterocycles without specific ring identification.
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Import Tips & Compliance
• Certify 99%+ purity to qualify as separate compound per chapter note (a)
Related Products under HTS 2933.52.90.00
Phenobarbital Sodium
Phenobarbital sodium is the sodium salt of phenobarbital, a barbituric acid derivative containing a pyrimidine ring structure. It is classified under HTS 2933.52.9000 as 'other' malonylurea (barbituric acid) and its salts, distinct from specific barbiturates like those in 2933.52.10. This chemically defined heterocyclic compound fits chapter 29 note (a) for separate organic compounds.
Pentobarbital Sodium
Pentobarbital sodium, a short-acting barbituric acid salt with pyrimidine ring, used as veterinary anesthetic. Falls under HTS 2933.52.9000 as 'other' barbituric acid salts per chapter notes for chemically defined organic compounds with nitrogen heterocycles. Not covered by specific barbiturate subheadings.
Secobarbital Sodium
Secobarbital sodium is a barbituric acid derivative salt containing hydrogenated pyrimidine ring, used in sedative formulations. Classified in 2933.52.9000 as other malonylurea salts, qualifying under chapter notes for heterocyclic nitrogen compounds not specifically listed elsewhere.
Amobarbital Sodium
Amobarbital sodium, a long-acting barbituric acid salt with pyrimidine structure, used medically. HTS 2933.52.9000 covers this as 'other' barbiturates per hierarchy for nitrogen heterocyclic compounds containing pyrimidine rings.
Butabarbital Sodium
Butabarbital sodium is a barbituric acid derivative salt with nitrogen heteroatoms in pyrimidine ring. Fits HTS 2933.52.9000 as other malonylurea salts, adhering to chapter rules for classification in last numerical heading.
Talbutal
Talbutal, 5-allyl-5-(2-bromo-2-ethylbutyryl)barbituric acid, contains pyrimidine ring structure. Classified under 2933.52.9000 as other barbituric acid derivatives not specifically enumerated.