Butalbital Pharmaceutical Grade
Butalbital, a short to intermediate-acting barbiturate for tension headaches, features the pyrimidine ring listed under HTS 2933.53.00.00. Bulk imported for combination with acetaminophen/caffeine in Fioricet formulations. Pure chemical compound without excipients.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If optical isomer mixture
Mixtures of isomers not chemically defined per Chapter 29 note 2(b) may shift to mixtures.
If first aid kit component
Articles put up in sets for retail sale classified by essential character.
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
• Combination drug manufacturers need separate API and excipient duty calculations
• Include polymorphic form specification (Form I vs II) in COA to prevent grade disputes
Related Products under HTS 2933.53.00.00
Phenobarbital Sodium Powder
Phenobarbital sodium is the sodium salt of phenobarbital, a barbiturate with a pyrimidine ring structure, used primarily as an anticonvulsant and sedative. It falls under HTS 2933.53.00.00 as it is explicitly listed as phenobarbital (INN) and its salts. This chemically defined heterocyclic compound is imported in bulk powder form for pharmaceutical manufacturing.
Pentobarbital Sodium USP Grade
Pentobarbital sodium is a short-acting barbiturate salt used for anesthesia and euthanasia, featuring the characteristic pyrimidine ring. Classified under HTS 2933.53.00.00 as pentobarbital (INN) salts per the explicit listing in the heading. Imported as sterile powder for injection preparation or veterinary use.
Amobarbital USP Powder
Amobarbital is an intermediate-acting barbiturate with pyrimidine ring, used for sedation and hypnosis, explicitly named in HTS 2933.53.00.00. Imported as USP-grade powder for tablet/capsule manufacturing. Chemically defined per Chapter 29 note 2(a).
Barbital Sodium Crystals
Barbital sodium, the first synthesized barbiturate, contains pyrimidine ring and is specifically named in HTS 2933.53.00.00. Used in research and legacy formulations. Imported as crystalline powder meeting pharmacopeia standards.
Pentobarbital Free Acid Form
Pentobarbital in its free acid form (non-salt) is explicitly covered under HTS 2933.53.00.00 as pentobarbital (INN). Used in synthesis of injectable formulations. Chemically pure heterocyclic compound per Chapter 29 scope.
Secobarbital Sodium Bulk API
Secobarbital sodium, a short-acting hypnotic barbiturate salt, contains the pyrimidine ring structure specified in HTS 2933.53.00.00. Used in pharmaceutical manufacturing for sleep induction medications. This is the pure active pharmaceutical ingredient imported in kilogram quantities.