HS Heading 2933
Heterocyclic compounds with nitrogen hetero-atom(s) only
31 tariff lines in this heading, within chapter 29 (Organic chemicals). Click any HS code for the full breakdown and a duty calculation.
| HS Code | Description | CD | SD | VAT | AIT | RD | AT | TTI |
|---|---|---|---|---|---|---|---|---|
| 29331100 | Phenazone (Antipyrin) And Its Derivatives | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29331900 | Compounds containing an unfused pyrazole ring in the structure, nes | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29332100 | Hydantoin And Its Derivatives | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29332900 | Other Compounds Containing An Unfused Imidazole Ring In The Structure, Nes | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29333100 | Pyridine And Its Salts | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333200 | Piperidine And Its Salts | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333300 | ALFENTANIL(INN),ANILERIDINE(INN)..PROPIRAM(INN)&TRIMEPERIDINE(INN)SAL.T.OF | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333400 | Other fentanyls and their derivatives | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333500 | Compunds containing an unfused pyridine rimg : 3-Quinuclidinol | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333600 | 4-Anilino-N-phenethylpiperidine (ANPP) | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333700 | N-Phenethyl-4-piperidone (NPP) | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29333910 | 3-Quinuclidinyl benzilate | 0 | 0 | 15 | 5 | 0 | 7.5 | 27.5% |
| 29333920 | Quinuclidin-3-ol | 0 | 0 | 15 | 5 | 0 | 7.5 | 27.5% |
| 29333990 | Other | 0 | 0 | 15 | 5 | 0 | 7.5 | 27.5% |
| 29334100 | LEVORPHANOL (INN)AND ITS SALTS | 10 | 0 | 15 | 5 | 0 | 7.5 | 39.75% |
| 29334900 | Compounds with quinoline or isoquinoline ring-system, not further fused,nes | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29335200 | MALONYLUREA (BARBITURIC ACID) AND ITS SALTS | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29335300 | ALLOBARBITAL(INN)AMOBARBITAL(INN)BARBITAL(INN)..SECBUTABARBITAL(INN)SECOB. | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29335400 | OTHER DERIVATIVES OF MALONYLUREA(BARBITURIC ACID);SALTS THEREOF | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29335500 | LOPRAZOLAM(INN)MECLOQUALONE(INN),METHAQUALONE(INN)&ZIPEPROL(INN)S.THEREOF | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29335910 | 5-fluorouracil BP, methotrexate BP, capecitabine USP, cytarabin | 0 | 0 | 0 | 5 | 0 | 7.5 | 12.5% |
| 29335990 | OTHER EXCL. 5-FLUOROURACIL BP, METHOTREXATE BP, CAPECITABINE USP | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29336100 | Melamine | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29336900 | Other Compounds Containing An Unfused Triazine Ring In The Structure | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29337100 | 6-Hexanelactam (Epsilon-Caprolactam) | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29337200 | CLOBAZAM(INN)AND METHYPRYLON(INN) | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29337910 | Other Lactams (Excl. Epsilon-Caprolactam) | 0 | 0 | 15 | 5 | 0 | 7.5 | 27.5% |
| 29337990 | Other Lactams (Excl. Epsilon-Caprolactam) | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29339100 | ALPRAZOLAM(INN)CAMAZEPAM(INN)CHLO..TETRAZEPAM(INN)&TRIAZOLAM(INN)S.THEREOF | 0 | 0 | 0 | 5 | 0 | 7.5 | 12.5% |
| 29339200 | Azinphos-methyl (ISO) | 5 | 0 | 15 | 5 | 0 | 7.5 | 33.63% |
| 29339900 | Heterocyclic compounds with nitrogen hetero-atom(s) only,nes | 0 | 0 | 15 | 5 | 0 | 7.5 | 27.5% |
Recorded imports
Between December 2025 and May 2026, NBR recorded commercial imports worth BDT 10,474,147,311 (4,459,478 kg) under this heading, across 24 of its 31 tariff lines. The remaining 7 recorded no commercial import in that window.
| Month | Lines with imports | Net weight | Assessable value |
|---|---|---|---|
| December 2025 | 14 | 642,344 kg | BDT 1,304,359,012 |
| January 2026 | 16 | 721,680 kg | BDT 1,390,387,673 |
| February 2026 | 20 | 804,828 kg | BDT 2,035,028,380 |
| March 2026 | 12 | 920,020 kg | BDT 1,551,709,372 |
| April 2026 | 17 | 734,657 kg | BDT 2,368,246,683 |
| May 2026 | 18 | 635,949 kg | BDT 1,824,416,191 |
The largest lines by assessable value in May 2026:
- 29333990 — Other — BDT 861,482,413
- 29335990 — OTHER EXCL. 5-FLUOROURACIL BP, METHOTREXATE BP, CAPECITABINE USP — BDT 336,029,808
- 29339900 — Heterocyclic compounds with nitrogen hetero-atom(s) only,nes — BDT 260,666,057
- 29334900 — Compounds with quinoline or isoquinoline ring-system, not further fused,nes — BDT 109,422,980
- 29332900 — Other Compounds Containing An Unfused Imidazole Ring In The Structure, Nes — BDT 99,997,394
Bonded imports. A further BDT 2,807,974 (2,110 kg) entered under the bonded-warehouse regime over the same months — duty-free inputs imported against an undertaking to re-export them. That is 0.0% of the total value imported under this heading.
Import figures: NBR Import Statements (IM-4 commercial, IM-7 bonded), December 2025 – May 2026. Assessable value is the customs value on which duty is charged, not the retail or invoice price.