Heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts

HS v2017 Code: 293352

About heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts

HS code 293352 covers a group of heterocyclic organic compounds that contain a pyrimidine or piperazine ring structure. These compounds are widely used in the pharmaceutical, agrochemical, and specialty chemical industries due to their diverse biological and chemical properties. They play a crucial role in the production of various drugs, pesticides, and other high-value products that are essential for modern society.

Production process

The production of compounds under HS code 293352 typically involves a series of chemical synthesis steps. The key processes may include ring formation, functionalization, and purification. Depending on the specific compound, various techniques such as condensation, cyclization, and nucleophilic substitution may be employed. Careful control of reaction conditions, such as temperature, pressure, and reagent concentrations, is essential to ensure the desired product is obtained with high purity and yield.

Production inputs

The main inputs required for the production of compounds under HS code 293352 include a range of organic precursors, such as pyrimidine or piperazine derivatives, as well as various reagents, catalysts, and solvents. Specialized equipment, such as reactors, distillation columns, and purification systems, are also necessary to carry out the complex synthesis and purification processes. Additionally, skilled personnel with expertise in organic chemistry and process engineering are crucial for the successful manufacture of these heterocyclic compounds.

Production outputs

The compounds covered by HS code 293352 are widely used as intermediates and active ingredients in the production of pharmaceuticals, agrochemicals, and other specialty chemicals. They may be further processed and incorporated into 300210 Medicaments or 380810 Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products and plant-growth regulators, disinfectants and similar products. The diverse applications of these heterocyclic compounds highlight their importance in various industries and their contribution to the broader economy.

Revisions to 293352

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 293352. The most recent 1 version of this code (293352) is in the HS v2022 system:

This page shows a legacy version of code 293352 ( HS v2017).

Family tree for heterocyclic compounds; containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure, malonylurea (barbituric acid) and its salts

    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/v2017/293352'>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 --> 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/v2017/293329'>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/v2017/293331'>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/v2017/293332'>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/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 --> K["<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 --> L["<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 --> M["<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 --> 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

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    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