United States of America HS Code

HS Code 293333: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN) and trimeperidine (INN); salts thereof in United States of America

Q: Is HS code 293333 the same across all countries?

Yes — up to the 6-digit level, HS code 293333 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. United States of America extends it under HTS / HTSUS.

Q: What system does United States of America use to classify HS code 293333?

United States of America classifies products under the Harmonized Tariff Schedule of the United States (HTS / HTSUS; locally Harmonized Tariff Schedule), which extends HS codes to 10 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 293333 in United States of America?

The official source is https://www.cbp.gov/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 293333 in United States of America

Under United States of America's Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule), HS Code 293333 is the WCO Harmonized System subheading for Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN) and trimeperidine (INN); salts thereof. This is the most detailed internationally standardized level; United States of America extends classifications to 10 digits under its national tariff system. 293333 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2933: Heterocyclic compounds with nitrogen heteroatom(s) only.

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Classification Path of HS Code 293333 in United States of America

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 29

Organic chemicals

HS Code 2933

Heterocyclic compounds with nitrogen heteroatom(s) only

HS Code 293333

Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN) and trimeperidine (INN); salts thereof

HS Code 2933330100

Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN), remifentanil (INN) and trimeperidine (INN); salts thereof

United States of America Tariff Classification: Harmonized Tariff Schedule of the United States (HTS / HTSUS)

In United States of America, HS 293333 is classified under the Harmonized Tariff Schedule of the United States (Harmonized Tariff Schedule) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Harmonized Tariff Schedule of the United States (HTS / HTSUS)

Local name Harmonized Tariff Schedule

Digits 10

Official source https://www.cbp.gov/

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Top Trading Product of HS Code 2933

Top United States of America import Product Under HS Code 2933

1 293359: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure : Other $4.0B 2 293399: Other : Other $1.4B 3 293339: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Other $1.4B

Figures shown for 2025.

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Top United States of America export Product Under HS Code 2933

1 293339: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Other $866.5M 2 293399: Other : Other $486.7M 3 293359: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure : Other $294.7M

Figures shown for 2025.

For more 2026 recent data, search for United States of America export trade records

Related HS Code to United States of America Fentanyl-Class Narcotics (293333)

HS Code 2933330100

HS Code 293311

Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure : Phenazone (antipyrin) and its derivatives

HS Code 293319

Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure : Other

HS Code 293321

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure : Hydantoin and its derivatives

HS Code 293329

Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure : Other

HS Code 293331

Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Pyridine and its salts

HS Code 293332

Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Piperidine and its salts

HS Code 293339

Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Other

HS Code 293341

Compounds containing in the structure a quinoline or isoquinoline ringsystem (whether or not hydrogenated), not further fused : Levorphanol (INN) and its salts

HS Code 293349

Compounds containing in the structure a quinoline or isoquinoline ringsystem (whether or not hydrogenated), not further fused : Other

Frequently Asked Questions

What is HS code 293333 in United States of America?

HS code 293333 covers Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN), fentanyl (INN), ketobemidone (INN), methylphenidate (INN), pentazocine (INN), pethidine (INN), pethidine (INN) intermediate A, phencyclidine (INN) (PCP), phenoperidine (INN), pipradrol (INN), piritramide (INN), propiram (INN) and trimeperidine (INN); salts thereof in United States of America. It sits in Chapter 29 (Organic chemicals), Heading 2933 of the Harmonized System, and is classified under HTS / HTSUS.

Is HS code 293333 the same across all countries?

What system does United States of America use to classify HS code 293333?

Where can I officially look up HS code 293333 in United States of America?