HTS heading 2934: Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds
Heading 2934 of the US Harmonized Tariff Schedule covers Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.
Heading 2934 at a glance
- 40 rated tariff lines; 9 duty-free at the general (MFN) rate.
- Ad valorem general rates from 3.7% to 6.5%.
- Section 301 (products of China): 10 of 40 lines on a list in effect (List 3).
Goods named in this heading (official line texts): Products described in additional U.S. note 3 to section VI, 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacet…, N-tert-Butyl-2-benzothiazolesulfenamide, 2,2'-Dithio…, 2-Mercaptobenzothiazole; andN-(Oxydiethylene)benzothiazole-2-sulfenamide, 2-Mercaptobenzothiazole, sodium salt (2-Benzothiazolethiol, sodium salt), 2-Amino-5,6-dichloro benzo thiazole.
Subheadings (6-digit)
- 2934.10: Aromatic or modified aromatic (4 lines)
- 2934.20: Compounds containing in the structure a benzothiazole ring-system (whether or not hydrogenated), not further fused (9 lines)
- 2934.30: Compounds containing in the structure a phenothiazine ring-system (whether or not hydrogenated), not further fused (6 lines)
- 2934.91: Other (1 line)
- 2934.92: Other (1 line)
- 2934.99: Aromatic or modified aromatic (19 lines)
All tariff lines in heading 2934
| Line | Description | General | Section 301 (China) | Exclusions |
|---|---|---|---|---|
| 2934.10.10 | Products described in additional U.S. note 3 to section VI | 6.5% | List 3 +25% | |
| 2934.10.20 | Aromatic or modified aromatic: Other | 6.5% | List 3 +25% | |
| 2934.10.70 | 4,5-Dichloro-2-n-octyl-4-isothiazolin-3-one; Ethyl 2-(2-aminothiazol-4-yl)-2- hydroxyiminoacet… | Free | List 4B (suspended, no extra duty) | |
| 2934.10.90 | Other: Other | 6.5% | List 3 +25% | |
| 2934.20.05 | N-tert-Butyl-2-benzothiazolesulfenamide | 6.5% | List 4B (suspended, no extra duty) | |
| 2934.20.10 | Compounds containing in the structure a benzothiazole ring-system (whether or no…: 2,2'-Dithio… | 6.5% | List 3 +25% | |
| 2934.20.15 | 2-Mercaptobenzothiazole; andN-(Oxydiethylene)benzothiazole-2-sulfenamide | 6.5% | List 3 +25% | |
| 2934.20.20 | 2-Mercaptobenzothiazole, sodium salt (2-Benzothiazolethiol, sodium salt) | 6.5% | List 3 +25% | |
| 2934.20.25 | 2-Amino-5,6-dichloro benzo thiazole; 2-(4-Amino phenyl)-6-methyl benzo thiazole-7- sulfonic ac… | Free | List 3 +25% | |
| 2934.20.30 | 2-Amino-6-methoxy benzo thiazole; 2-Amino-6-methyl benzo thiazole; 6-Ethoxy-2-benzo thiazo let… | 5.8% | List 3 +25% | |
| 2934.20.35 | Other: Pesticides | 6.5% | List 3 +25% | |
| 2934.20.40 | Products described in additional U.S. note 3 to section VI | 6.5% | List 3 +25% | |
| 2934.20.80 | Other: Other | 6.5% | List 4B (suspended, no extra duty) | |
| 2934.30.12 | 2-(Trifluoromethyl)phenothiazine | 6.5% | none | |
| 2934.30.18 | Ethyl (1H-phenothiazin-2,4,1)carbamate | Free | none | |
| 2934.30.23 | Antidepressants, tranquilizers and other psychotherapeutic agents | 6.5% | none | |
| 2934.30.27 | Drugs: Other | 6.5% | none | |
| 2934.30.43 | Products described in additional U.S. note 3 to section VI | 6.5% | none | |
| 2934.30.50 | Other: Other | 6.5% | none | |
| 2934.91.00 | Aminorex (INN), brotizolam (INN), clotiazepam (INN), cloxazolam (INN), dextromoramide (INN), h… | Free | none | |
| 2934.92.00 | Other: Other fentanyls and their derivatives | 6.5% | none | |
| 2934.99.01 | Aromatic or modified aromatic: Mycophenolate mofetil | Free | none | |
| 2934.99.03 | 2-Acetylbenzo(b)thiophene; 3-Methylene-7-(2-phenoxyacetamido)- cephan-4-carboxylic acid, p-nit… | Free | none | |
| 2934.99.05 | 5-Amino-3-phenyl-1,2,4-thiadiazole (3-Phenyl-5-amino-1,2,4-thiadiazole); 2-Hydroxybenzoxazole … | 5.8% | none | |
| 2934.99.06 | 7-Nitronaphth[1,2]oxadiazole-5-sulfonic acid and its salts | 6.5% | none | |
| 2934.99.07 | Ethyl 2-[4-[(6-chloro-2-benzoxazolyl)oxy]- phenoxy]propanoate (Fenoxaprop-ethyl) | Free | none | |
| 2934.99.08 | Aromatic or modified aromatic: 2,5-Diphenyloxazole | 6.5% | none | |
| 2934.99.09 | Aromatic or modified aromatic: 1,2-Benzisothiazolin-3-one | Free | none | |
| 2934.99.11 | 2-tert-Butyl-4-(2,4-dichloro-5- isopropoxyphenyl)-Δ²-1,3,4- oxadiazolin-5-one; 3-Isopropyl-1H-… | 6.5% | none | |
| 2934.99.12 | Other: Fungicides | 6.5% | none | |
| 2934.99.15 | Other: Herbicides | 6.5% | none | |
| 2934.99.16 | Other: Insecticides | 6.5% | none | |
| 2934.99.18 | Other: Other | 6.5% | none | |
| 2934.99.20 | Other: Photographic chemicals | 6.5% | none | |
| 2934.99.30 | Other: Drugs | 6.5% | none | |
| 2934.99.39 | Products described in additional U.S. note 3 to section VI | 6.5% | none | |
| 2934.99.44 | Other: Other | 6.5% | none | |
| 2934.99.47 | Other: Drugs | 3.7% | none | |
| 2934.99.70 | Morpholinoethyl chloride hydrochloride; 2-Methyl-2,5-dioxo-1-oxa-2-phospholan; and (6R-trans)-… | Free | none | |
| 2934.99.90 | Other: Other | 6.5% | none |
All of chapter 29 · Chapter 29 rate summary · HTS lookup
General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.
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