Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)

HS v2022 Code: 293372

About heterocyclic compounds; lactams; clobazam (inn) and methyprylon (inn)

HS code 293372 covers a diverse range of heterocyclic compounds, including lactams, clobazam (INN), and methyprylon (INN). These chemical compounds are essential building blocks for a wide variety of pharmaceutical, agrochemical, and specialty chemical products. The global market for these heterocyclic compounds is driven by the growing demand for pharmaceuticals, agrochemicals, and specialty chemicals, as well as the increasing focus on research and development in the chemical industry.

Production process

The production of heterocyclic compounds under HS code 293372 typically involves a range of chemical synthesis techniques, such as cyclization, condensation, and ring-closing reactions. These processes are often carried out in specialized chemical plants, using a combination of batch and continuous production methods. The specific production techniques may vary depending on the target compound and the desired purity and yield.

Production inputs

The main inputs required for the production of heterocyclic compounds under HS code 293372 include a variety of organic and inorganic raw materials, such as 290110 Hydrocarbons; acyclic, 290220 Hydrocarbons; cyclic, and 290700 Phenols; hydroxyl compounds. Additionally, the industry relies on specialized equipment, such as reactors, distillation columns, and purification systems, as well as a skilled workforce with expertise in organic chemistry and chemical engineering.

Production outputs

The heterocyclic compounds produced under HS code 293372 are used as intermediates and building blocks in the manufacture of a wide range of products, including 300410 Medicaments; containing penicillins or derivatives thereof, with a penicillanic acid structure, or streptomycins or their derivatives, 300420 Medicaments; containing other antibiotics, 300440 Medicaments; containing alkaloids or derivatives thereof, not containing hormones or other products of heading no. 2937 or antibiotics, and 380810 Insecticides; for retail sale. These heterocyclic compounds are also used in the production of various agrochemicals, dyes, and specialty chemicals.

Revisions to 293372

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 293372. The most recent 1 version of this code (293372) is in the HS v2022 system (this version):

This page shows the most recent version of code 293372.

Family tree for heterocyclic compounds; lactams; clobazam (inn) and methyprylon (inn)

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2933'>2933: Heterocyclic compounds with nitrogen hetero-atom(s) only</a>"]
B --> C["<a href='/classifications/hs/v2022/293372'>293372: Heterocyclic compounds; lactams; clobazam (INN) and methyprylon (INN)</a>"]

    B --> D["<a href='/classifications/hs/v2022/293311'>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/v2022/293319'>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/v2022/293321'>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/v2022/293329'>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 --> H["<a href='/classifications/hs/v2022/293331'>293331: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, pyridine and its salts</a>"]
B --> I["<a href='/classifications/hs/v2022/293332'>293332: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, piperidine and its salts</a>"]
B --> J["<a href='/classifications/hs/v2022/293333'>293333: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, alfentanil (INN), anileridine (INN), bezitramide (INN), bromazepam (INN), carfentanil (INN), difenoxin (INN), diphenoxylate (INN), dipipanone (INN)</a>"]
B --> K["<a href='/classifications/hs/v2022/293334'>293334: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, other fentanyls and their derivatives</a>"]
B --> L["<a href='/classifications/hs/v2022/293335'>293335: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 3-quinuclidinol</a>"]
B --> M["<a href='/classifications/hs/v2022/293336'>293336: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, 4-anilino-N-phenethylpiperidine (ANPP)</a>"]
B --> N["<a href='/classifications/hs/v2022/293337'>293337: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, N-phenethyl-4-piperdone (NPP)</a>"]
B --> O["<a href='/classifications/hs/v2022/293339'>293339: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3</a>"]
B --> P["<a href='/classifications/hs/v2022/293341'>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 --> Q["<a href='/classifications/hs/v2022/293349'>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 --> R["<a href='/classifications/hs/v2022/293352'>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 --> S["<a href='/classifications/hs/v2022/293353'>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 --> T["<a href='/classifications/hs/v2022/293354'>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 --> U["<a href='/classifications/hs/v2022/293355'>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 --> V["<a href='/classifications/hs/v2022/293359'>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 --> W["<a href='/classifications/hs/v2022/293361'>293361: Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, melamine</a>"]
B --> X["<a href='/classifications/hs/v2022/293369'>293369: Heterocyclic compounds; containing an unfused triazine ring (whether or not hydrogenated) in the structure, others excluding melamine</a>"]
B --> Y["<a href='/classifications/hs/v2022/293371'>293371: Heterocyclic compounds; lactams; 6-hexanelactam (epsilon-caprolactam)</a>"]
B --> Z["<a href='/classifications/hs/v2022/293379'>293379: Heterocyclic compounds; lactams; other than 6-hexanelactam (epsilon caprolactam) and clobazam (INN) and methyprylon (INN)</a>"]
B --> BA["<a href='/classifications/hs/v2022/293391'>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 --> BB["<a href='/classifications/hs/v2022/293392'>293392: Heterocyclic compounds; azinphos-methyl (ISO)</a>"]
B --> BC["<a href='/classifications/hs/v2022/293399'>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 Z level6
class BA level6
class BB level6
class BC 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