Methylphenidate Hydrochloride USP
Methylphenidate HCl, the hydrochloride salt of methylphenidate explicitly named in 2933.33.01.00, contains the required unfused pyridine ring. Used primarily as a CNS stimulant for ADHD treatment.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified as benzodiazepine derivative
Different pyridine subheading for specific psychotropic structures
If as extended-release capsules
Finished ADHD medications classified as medicaments in Chapter 30
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Import Tips & Compliance
• Verify Schedule II quota allocations; provide reference standards and impurity profiles; ensure proper cold chain if required
Related Products under HTS 2933.33.01.00
Fentanyl Citrate USP
Fentanyl citrate is the citrate salt of fentanyl, a synthetic opioid agonist listed specifically in HTS 2933.33.01.00 due to its unfused pyridine ring structure and narcotic properties. It is used in pharmaceutical formulations for severe pain management and anesthesia.
Diphenoxylate Hydrochloride USP
Diphenoxylate hydrochloride, salt of the named compound in 2933.33.01.00, features an unfused pyridine ring and is used as an antidiarrheal agent. Classified here as a separate chemically defined organic compound per Chapter 29 notes.
Pethidine Hydrochloride BP
Pethidine (meperidine) hydrochloride, salt form of the named pethidine in HTS 2933.33.01.00, is a synthetic opioid analgesic with characteristic pyridine ring structure. Used for moderate to severe pain relief.
Remifentanil Hydrochloride USP
Remifentanil HCl, the hydrochloride salt of remifentanil named in 2933.33.01.00, features an unfused pyridine ring in its mu-opioid agonist structure. Ultra-short acting anesthetic used in surgical settings.
Pentazocine Lactate USP
Pentazocine lactate, the lactate salt of pentazocine specifically listed in 2933.33.01.00, contains the requisite pyridine ring as a mixed opioid agonist-antagonist. Used for moderate pain management.
Phencyclidine Hydrochloride (PCP HCl)
Phencyclidine (PCP) hydrochloride, salt of the named phencyclidine (PCP) in HTS 2933.33.01.00, features an unfused pyridine ring. Schedule II controlled substance with dissociative anesthetic properties.