Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives

HS v2017 Code: 293329

About heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives

HS code 293329 covers a diverse range of heterocyclic compounds that contain nitrogen atoms and an unfused imidazole ring structure. These compounds are widely used in the pharmaceutical, agrochemical, and specialty chemical industries, playing a crucial role in the development of various drugs, pesticides, and other high-value products. Their versatility and importance in the global economy make them a significant focus within the broader chemical industry.

Production process

The production of compounds under HS code 293329 typically involves a range of organic synthesis techniques, such as cyclization reactions, nucleophilic substitutions, and condensation reactions. These processes are often carried out in specialized chemical facilities using advanced equipment and carefully controlled conditions to ensure product quality and safety.

Production inputs

The main inputs required for the production of HS code 293329 compounds include various organic precursors, such as amines, aldehydes, and ketones, as well as solvents, catalysts, and other specialized reagents. Additionally, the industry relies on specialized manufacturing equipment, including reactors, distillation columns, and purification systems, to facilitate the complex chemical transformations involved.

Production outputs

The compounds covered by HS code 293329 are used as intermediates and building blocks in the production of a wide range of pharmaceutical, agrochemical, and specialty chemical products. Some of the key outputs include 294000 Heterocyclic compounds, 300000 Pharmaceutical products, and 380000 Miscellaneous chemical products.

Revisions to 293329

Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 293329. The most recent 1 version of this code (293329) is in the HS v2022 system:

This page shows a legacy version of code 293329 ( HS v2017).

Older versions

Family tree for heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2933'>2933: Heterocyclic compounds with nitrogen hetero-atom(s) only</a>"]
B --> C["<a href='/classifications/hs/v2017/293329'>293329: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, other than hydantoin and its derivatives</a>"]

    B --> D["<a href='/classifications/hs/v2017/293311'>293311: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, phenazone (antipyrin) and its derivatives</a>"]
B --> E["<a href='/classifications/hs/v2017/293319'>293319: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused pyrazole ring (whether or not hydrogenated) in the structure, other than henazone (antipyrin) and its derivatives</a>"]
B --> F["<a href='/classifications/hs/v2017/293321'>293321: Heterocyclic compounds; with nitrogen hetero-atom(s) only, containing an unfused imidazole ring (whether or not hydrogenated) in the structure, hydantoin and its derivatives</a>"]
B --> G["<a href='/classifications/hs/v2017/293331'>293331: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts</a>"]
B --> H["<a href='/classifications/hs/v2017/293332'>293332: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts</a>"]
B --> I["<a href='/classifications/hs/v2017/293333'>293333: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other than pyridine and its salts, other than piperidine and its salts</a>"]
B --> J["<a href='/classifications/hs/v2017/293339'>293339: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3</a>"]
B --> K["<a href='/classifications/hs/v2017/293341'>293341: Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, levorphanol (INN) and its salts</a>"]
B --> L["<a href='/classifications/hs/v2017/293349'>293349: Heterocyclic compounds; containing a quinoline or isoquinoline ring-system (whether or not hydrogenated) in the structure, not further fused, other than levorphanol (INN) and its salts</a>"]
B --> M["<a href='/classifications/hs/v2017/293352'>293352: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts</a>"]
B --> N["<a href='/classifications/hs/v2017/293353'>293353: Allobarbital (INN), amobarbital (INN), barbital (INN), butalbital (INN), butobarbital, cyclobarbital (INN), methylphenobarbital (INN), pentobarbital (INN), phenobarbital (INN), secbutabarbital (INN), secobarbital (INN) and vinylbital (INN); salts thereof</a>"]
B --> O["<a href='/classifications/hs/v2017/293354'>293354: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, other derivatives of malonylurea (barbituric acid) and salts thereof, n.e.c. in 2933.53</a>"]
B --> P["<a href='/classifications/hs/v2017/293355'>293355: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure; loprazolam (INN), mecloqualone (INN), methaqualone (INN), and zipeprol (INN); salts thereof</a>"]
B --> Q["<a href='/classifications/hs/v2017/293359'>293359: Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, (other than malonylurea and its derivatives, loprazolam, mecloqualone, methaqualone, zipeprol, and salts thereof) n.e.c. in 2933.5</a>"]
B --> R["<a href='/classifications/hs/v2017/293361'>293361: Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine</a>"]
B --> S["<a href='/classifications/hs/v2017/293369'>293369: Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine</a>"]
B --> T["<a href='/classifications/hs/v2017/293371'>293371: Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-caprolactam)</a>"]
B --> U["<a href='/classifications/hs/v2017/293372'>293372: Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)</a>"]
B --> V["<a href='/classifications/hs/v2017/293379'>293379: Heterocyclic compounds; lactams; other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)</a>"]
B --> W["<a href='/classifications/hs/v2017/293391'>293391: Heterocyclic compounds; alprazolam (INN), camazepam (INN), chlordiazepoxide (INN), clonazepam (INN), clorazepate, delorazepam (INN), diazepam (INN), estazolam (INN), ethyl loflazepate (INN), fludiazepam (INN), flunitrazepam (INN), (cont)</a>"]
B --> X["<a href='/classifications/hs/v2017/293392'>293392: Heterocyclic compounds; azinphos-methyl (ISO)</a>"]
B --> Y["<a href='/classifications/hs/v2017/293399'>293399: Heterocyclic compounds; n.e.c. in headings no. 2933</a>"]

    

    %% Color coordination by level

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    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level6
class D level6
class E level6
class F level6
class G level6
class H level6
class I level6
class J level6
class K level6
class L level6
class M level6
class N level6
class O level6
class P level6
class Q level6
class R level6
class S level6
class T level6
class U level6
class V level6
class W level6
class X level6
class Y level6

  class C highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class C highlight