Section VI — Products of the chemical or allied industries
Chapter 29 — Organic chemicals
Heading 2933 — Heterocyclic compounds with nitrogen heteroatom(s) only.
National subdivision 2933.5 — Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure:
Subheading 2933.55 — Loprazolam (INN), mecloqualone (INN), methaqualone (INN) and zipeprol (INN); salts thereof
HS code
2933.55.00 Loprazolam (INN) mecloqualone (INN) methaqualone (INN) & zipepol (INN); salts therof
Last Verified Date - 1 October 2026
Common commodities
Loprazolam TabletsMecloqualone PowderMethaqualone CapsulesZipeprol Oral SolutionQuaalude Tablets (Methaqualone)Controlled Substance Salts (Zipeprol)Pharmaceutical ZipeprolMethaqualone Hydrochloride CrystalsQuaaludes (Mecloqualone) Prescription DrugLaboratory Grade Methaqualone