Singapore HS CodeHS Code 29331900: "Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyrazole ring, whether or not hydrogenated, in the structure (excl. phenazone ""antipyrin"" and its derivatives)" in Singapore
What is HS Code 29331900 in Singapore
Under Singapore's Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED 2022), HS Code 29331900 is classified as "Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyrazole ring, whether or not hydrogenated, in the structure (excl. phenazone ""antipyrin"" and its derivatives)". Singapore's tariff system extends the WCO Harmonized System to 8 digits with national subdivisions. 29331900 belongs to Section VI: Products of the chemical or allied industries, Chapter 29: Organic chemicals, Heading 2933: Heterocyclic compounds with nitrogen heteroatom(s) only.
Explore more 2026 Latest Singapore import export trade data and shipment records for HS Code Other Pyrazole Compounds on TradeInt global trade data platformClassification Path of HS Code 29331900 in Singapore
Singapore Tariff Classification: Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG)
In Singapore, HS 29331900 is classified under the Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED 2022) — a 8-digit national extension of the WCO 6-digit Harmonized System.
Tariff schedule Singapore Trade Classification, Customs & Excise Duties 2022 (STCCED / HS-SG)
Local name STCCED 2022
Digits 8
Official source https://www.customs.gov.sg/
Top Trading Product of HS Code 2933
Top Singapore import Product Under HS Code 2933
1 293359: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure : Other $241.2M2 293379: Lactams : Other lactams $130.8M3 293399: Other : Other $67.0MFigures shown for 2025.
For more 2026 recent data, search for Singapore import trade recordsTop Singapore export Product Under HS Code 2933
1 293379: Lactams : Other lactams $2.0B2 293359: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure : Other $424.5M3 293339: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Other $298.2MFigures shown for 2025.
For more 2026 recent data, search for Singapore export trade recordsRelated HS Code to Singapore Other Pyrazole Compounds (29331900)
HS Code 293311
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure : Phenazone (antipyrin) and its derivatives
HS Code 293321
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure : Hydantoin and its derivatives
HS Code 293329
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure : Other
HS Code 293331
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Pyridine and its salts
HS Code 293332
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Piperidine and its salts
HS Code 293333
Heterocyclic compounds with nitrogen heteroatom(s) only : 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 293339
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure : Other
HS Code 293341
Heterocyclic compounds with nitrogen heteroatom(s) only : 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
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing in the structure a quinoline or isoquinoline ringsystem (whether or not hydrogenated), not further fused : Other
HS Code 293352
Heterocyclic compounds with nitrogen heteroatom(s) only : Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure : Malonylurea (barbituric acid) and its salts
Frequently Asked Questions
What is HS code 29331900 in Singapore?
HS code 29331900 covers "Heterocyclic compounds with nitrogen hetero-atom[s] only, containing an unfused pyrazole ring, whether or not hydrogenated, in the structure (excl. phenazone ""antipyrin"" and its derivatives)" in Singapore. It sits in Chapter 29 (Organic chemicals), Heading 2933 of the Harmonized System, and is classified under STCCED / HS-SG.
Is HS code 29331900 the same across all countries?
What system does Singapore use to classify HS code 29331900?
Where can I officially look up HS code 29331900 in Singapore?