Q3HSN Code 2933
Heterocyclic compounds with nitrogen hetero-atom (s) only
GST rate
| Gibberellic acid | 5% |
| All organic chemicals other than giberellic acid | 18% |
Codes under 2933
| Code | Description | GST rate |
|---|---|---|
| 2933 11 | Phenazone (antipyrin) and its derivates | Varies |
| 2933 19 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 19 10 | 3-Carboxy (para sulpho-phenyl)-5- pyrazolone | Varies |
| 2933 19 20 | 0 (2,5- dichloro-4-sulpho phenyl)-3-methyl- 5-pyrazolone | Varies |
| 2933 19 30 | 3-Methyl-1 (4-sulpho-o-toluyl-5-pyrazolone) | Varies |
| 2933 19 40 | Phenylmethylpyrazolone | Varies |
| 2933 19 50 | 1-Phenyl-5-pyrazolone-3-carboxylic acid ethylester | Varies |
| 2933 19 60 | 1-(M-sulphophenyl)-3-pyrazolone | Varies |
| 2933 19 70 | Analgin | Varies |
| 2933 19 80 | Oxyphenbutazone | Varies |
| 2933 19 90 | Heterocyclic compounds with nitrogen heteroatom ( s) only - compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure:-other: other | Varies |
| 2933 19 91 | Fluoro-3-(difluoromethyl)-1-methyl-1h-pyrazole-4-carbonyl fluoride | Varies |
| 2933 19 92 | Cyenopyrafen, fenpyroximate, fipronil, fluxapyroxad, penflufen, pyraclostrobin, pyroxasulfon, tetraniliprole, tolfenpyrad, topramezone. | Varies |
| 2933 21 | Hydantoin and its derivatives | Varies |
| 2933 29 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 29 10 | Tinidazole | Varies |
| 2933 29 20 | Metronidazole, metronidiazole benzoate | Varies |
| 2933 29 30 | Mebendazole | Varies |
| 2933 29 40 | Dimetridazole | Varies |
| 2933 29 50 | Albendazole | Varies |
| 2933 29 60 | Imidacloprid (ISO), fenamidone, imazamox, imiprothrin, iprodione, prochlora | Varies |
| 2933 31 | Pyridine and its salts | Varies |
| 2933 31 10 | Florpyrauxifen benzyl, fluroxypyr meptyl, halauxifen-methyl, haloxyfop-r-methyl, paraquat dichloride, pyrifluquinazon, triclopyr acid, triclopyr butotyl ester. | Varies |
| 2933 32 | Piperidine and its salts | Varies |
| 2933 32 10 | Mepiquat e chloride | Varies |
| 2933 32 20 | Piperidine | Varies |
| 2933 32 30 | Mepiquate chloride | Varies |
| 2933 33 | 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: | Varies |
| 2933 33 00 | Heterocyclic compounds with nitrogen heteroatom ( s) only - compounds containg an unfused pyridine ring (whether or not hydrogenated) in the structure: bromazepam (inn), methylphenidate (inn), pentazocine (inn), phencyclindine (inn) (pcp), pipradrol (inn), propiram (inn); salts thereof | Varies |
| 2933 33 11 | Alfentanil (inn) and its salt | Varies |
| 2933 33 12 | Anileridine (inn) and its salt | Varies |
| 2933 33 13 | Bezitramide (inn) and its salt | Varies |
| 2933 33 14 | Bromazepam (inn) and its salt | Varies |
| 2933 33 15 | Carfentanil (inn) and its salt | Varies |
| 2933 33 16 | Difenoxin (inn) and its salt | Varies |
| 2933 33 17 | Diphenoxylate (inn) and its salt | Varies |
| 2933 33 18 | Dipipanone (inn) and its salt | Varies |
| 2933 33 21 | Fentanyl (inn) and its salt | Varies |
| 2933 33 22 | Ketobemidone (inn) and its salt | Varies |
| 2933 33 23 | Methylphenidate (inn) and its salt | Varies |
| 2933 33 24 | Pentazocine (inn) and its salt | Varies |
| 2933 33 25 | Pethidine (inn) and its salt | Varies |
| 2933 33 26 | Pethidine (inn) intermediate a and its salt | Varies |
| 2933 33 27 | Phencyclidine (inn) (pcp) and its salt | Varies |
| 2933 33 28 | Phenoperidine (inn) and its salt | Varies |
| 2933 33 31 | Pipradrol (inn) and its salt | Varies |
| 2933 33 32 | Piritramide (inn) and its salt | Varies |
| 2933 33 33 | Propiram (inn) and its salt | Varies |
| 2933 33 34 | Remifentanil (inn) and its salt | Varies |
| 2933 33 35 | Trimeperidine (inn) and its salt | Varies |
| 2933 34 | Other fentanyls and their derivatives — heterocyclic compounds with nitrogen hetero-atom (s) only | Varies |
| 2933 35 | 3-Quinuclidinol | Varies |
| 2933 36 | 4-Anilino-n-phenethylpiperidine (anpp) | Varies |
| 2933 37 | N-phenethy l-4-piperidone (npp | Varies |
| 2933 39 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 39 11 | Amino pyridine | Varies |
| 2933 39 12 | Alpha picoline (2-methyl pyridine) | Varies |
| 2933 39 13 | Gamma picoline (4-methyl pyridine) | Varies |
| 2933 39 14 | Chloropheniramine maleate | Varies |
| 2933 39 15 | Diphenoxylate hydrochloride | Varies |
| 2933 39 16 | Beta picoline (3-methyl pyridine) | Varies |
| 2933 39 17 | Chlorantraniliprole (ISO) | Varies |
| 2933 39 18 | Lutidine (dimethyl pyridine) | Varies |
| 2933 39 19 | Heterocyclic compounds with nitrogen heteroatom ( s) only - compounds containg an unfused pyridine ring (whether or not hydrogenated) in the structure:-other: derivatives of pyridine: other | Varies |
| 2933 39 20 | Heterocyclic compounds with nitrogen heteroatom ( s) only - compounds containg an unfused pyridine ring (whether or not hydrogenated) in the structure:-other: piperidine and its derivatives | Varies |
| 2933 39 21 | Acetamiprid (ISO) | Varies |
| 2933 39 22 | Imazethapyr (ISO) | Varies |
| 2933 39 23 | Afidopyropen, boscalid, chlorpyriphos, chlorpyriphos methyl, clodinafop-propargyl, cyantraniliprole, flonicamid, florpyrauxifen-benzyl, fluazifop-p-butyl, fluopicolide, fluopyram, forchlorfenuron, haloxyfop-p-methyl, picoxystrobin, pyridalyl, pyriofenone, pyriproxyfen, sulfoxaflor. | Varies |
| 2933 39 30 | 1-Azabicyclo (2,2,2)octan-3-ol | Varies |
| 2933 39 40 | Benzene acetic acid, alpha -hydroxy- alpha-phenyl, 1- azabicyclo-azabicyclo [2.2.2.] oct-3-yl ester | Varies |
| 2933 39 50 | 1 -[n,n -dialkyl (<=C10) - n -(n -(hydroxyl, cyano, acetoxy)alkyl (<=C10)) ammonio] - n -[n -(3 - dimethylcarbamoxy - a -picolinyl) -n,n -dialkyl (<=C10) ammonio]decane dibromide (n=1 -8) | Varies |
| 2933 39 60 | 1,N -bis[n -(3 -dimethylcarbamoxy - a -picolyl) -n,n - dialkyl (<=C10) ammonio] -alkane -(2,(n -1) -dione) dibromide (n=2 -12) | Varies |
| 2933 39 70 | 4-Piperidone | Varies |
| 2933 39 80 | 1-Boc-4-piperidone | Varies |
| 2933 39 91 | Other:norfentanyl | Varies |
| 2933 39 99 | Other: other | Varies |
| 2933 41 | Levorphanol (inn) and its salts | Varies |
| 2933 41 10 | Fenazaquin | Varies |
| 2933 49 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 49 10 | Quizalofop ethyl | Varies |
| 2933 52 | Malonylurea (barbituric acid) and its salts | Varies |
| 2933 53 | Allobarbital (inn), amobarbital (inn), barbital (inn), butalbital (inn), butobarbital (inn), cyclobarbital (inn), methylphenobarbital (inn), pentobarbital (inn), secbutabarbital (inn), phenobarbital (inn),] secobarbital (inn), and vinylbital (inn), salts thereof | Varies |
| 2933 53 00 | Allobarbital (inn), amobarbital (inn), barbital (inn), butalbital (inn), butobarbital (inn),cyclobarbital (inn), methylphenobarbital (inn),pentobarbital (inn), secbutabarbital (inn),phenobarbital (inn), ] secobarbital (inn), and vinylbital (inn), salts thereof | Varies |
| 2933 54 | Other derivatives of malonylurea (barbituric acid), salts thereof — heterocyclic compounds with nitrogen hetero-atom (s) only | Varies |
| 2933 54 00 | Other derivatives of malonylurea (barbituric acid),salts thereof — heterocyclic compounds with nitrogen hetero-atom (s) only | Varies |
| 2933 55 | Loprazolam (inn), mecloqualone (inn), methaqualone (inn) and zipeprol (inn), salts thereof | Varies |
| 2933 55 00 | Loprazolam (inn), mecloqualone (inn),methaqualone (inn) and zipeprol (inn), salts thereof | Varies |
| 2933 59 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 59 10 | Aminophylline (cordophylin) | Varies |
| 2933 59 20 | Trimethoprim | Varies |
| 2933 59 30 | Diethyl carbamazine citrate | Varies |
| 2933 59 40 | 1-Amino-4-methyl piperazine | Varies |
| 2933 59 50 | Bispyribac- sodium (ISO), ametroctradin, azoxystrobin, benzpyrimoxam, buprimate, florasulam, polyoxin D zinc salt, primiphos-methyl, pyribenzoxim, pyriftalid, pyrithiobac sodium, triflumezopyrim. | Varies |
| 2933 61 | Melamine | Varies |
| 2933 69 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 69 10 | Cyanuric acid and its salts | Varies |
| 2933 69 20 | 4-[4,6-BIS (2,4-dimethylphenyl)-1,3,5- triazine-2-yl]-1,3-benzenediol | Varies |
| 2933 69 30 | Tris (2-hydroxyethyl) isocyanurate | Varies |
| 2933 69 40 | Ethylhexyltriazone | Varies |
| 2933 69 50 | 2,4,6-Tri (2,4-dyhydroxyl-3-methylphenyl)-1,3,5-triazine | Varies |
| 2933 69 60 | Ametryn, atrazine, carfentrazone ethyl, cyproconazole, difenoconazole, flusilazole, hexaconazole, hexazinone, indaziflam, iodosulfuron methyl sodium, mefentrifluaconazole, metamitron, metribuzin, paclobutrazol, propiconazole, pymetrozin, tebuconazole, tetraconazole, triadimefon, tricyclazole, triticonazole. | Varies |
| 2933 71 | 6-Hexanelactam (epsilon-caprolactam) | Varies |
| 2933 72 | Clobazam (inn) and methyprylon (inn) | Varies |
| 2933 79 | Other lactams — heterocyclic compounds with nitrogen hetero-atom (s) only | Varies |
| 2933 79 00 | Heterocyclic compounds with nitrogen heteroatom ( s) only - lactams: other lactams | Varies |
| 2933 79 10 | N-methyl-2-pyrrolidone | Varies |
| 2933 79 20 | N-ethyl-2-pyrrolidone | Varies |
| 2933 79 30 | Spirotetramat | Varies |
| 2933 91 | Alprazolam (inn), camazepam (inn chloridiazepoxide (inn),clonazepam (inn), clorazepate, delorazepam (inn), diazepam (inn), estazolam (inn), ethyl loflazepate (inn), fludiazepam (inn), flunitrzepam (inn), flurazepam (inn), halazepam (inn), lorazepam (inn), lormetazepam (inn), mazindol (inn), medazepam (inn), midazolam (inn), nimetazepam (inn), nitrazepam (inn), nordazepam (inn), oxazepam (inn), pinazepam (inn), prazepam (inn), pyrovalerone (inn), tamazepam (inn), tetrazepam (inn) and triazolam (inn), salts thereof | Varies |
| 2933 91 00 | Alprazolam (inn), camazepam (inn) chloridiazepoxide (inn),clonazepam (inn), clorazepate, delorazepam (inn), diazepam (inn), estazolam (inn), ethyl loflazepate (inn), fludiazepam (inn), flunitrzepam (inn), flurazepam (inn), halazepam (inn), lorazepam (inn), lormetazepam (inn), mazindol (inn), medazepam (inn), midazolam (inn), nimetazepam (inn), nitrazepam (inn), nordazepam (inn), oxazepam (inn), pinazepam (inn), prazepam (inn), pyrovalerone (inn), tamazepam (inn), tetrazepam (inn) and triazolam (inn), salts thereof | Varies |
| 2933 92 | Azinphos-methyl (ISO) | Varies |
| 2933 99 | Heterocyclic compounds with nitrogen hetero-atom (s) only › Other | Varies |
| 2933 99 00 | Heterocyclic compounds with nitrogen heteroatom ( s) only - other: other | Varies |
| 2933 99 10 | Imidazo pyridine methyl amine | Varies |
| 2933 99 20 | Carbendazim (ISO), bitertanol, chlorfenopyr, chlorfluazuron, fenoxaprop-p-ethyl, flufenzine, flupyradifurone, penconazole, propaquizafop, quizalofop-p-tefuryl, triazophos. | Varies |
← Chapter 29: Organic chemicals and chemical compounds
Related HSN codes
Frequently Asked Questions
What is the HSN code for heterocyclic compounds with nitrogen hetero-atom (s) only?
The HSN code for heterocyclic compounds with nitrogen hetero-atom (s) only is 2933, under Chapter 29 (Organic chemicals and chemical compounds).
What is the GST rate on heterocyclic compounds with nitrogen hetero-atom (s) only?
It depends on the specific item: gibberellic acid is 5%; all organic chemicals other than giberellic acid is 18%.
How many digits of the HSN code go on a GST invoice?
It depends on your turnover in the previous financial year: businesses above ₹5 crore generally show 6 digits (8 for certain specified goods), and smaller businesses show 4 digits on B2B invoices. Check the current e-invoicing/HSN notification for the exact threshold that applies to you.
Rates as per Notification No. 9/2025-Central Tax (Rate), as amended, as of 7 October 2026. For guidance only — verify with your tax advisor.