Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), isosafrole

HS v2017 Code: 293291

About heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), isosafrole

HS code 293291 covers a group of organic chemical compounds known as heterocyclic compounds. These compounds contain a ring structure with at least one atom of an element other than carbon, typically oxygen, in the ring. Heterocyclic compounds with oxygen hetero-atoms are widely used in the production of pharmaceuticals, agrochemicals, and various specialty chemicals. Their unique molecular structures and properties make them essential building blocks for a diverse range of industries, contributing significantly to the global chemical and pharmaceutical sectors.

Production process

The production of heterocyclic compounds with oxygen hetero-atoms, such as those covered under HS code 293291, typically involves a series of chemical synthesis steps. These may include cyclization reactions, oxidation, reduction, and other transformations to create the desired molecular structures. The specific techniques used can vary depending on the target compound, but often involve the use of catalysts, controlled temperature and pressure conditions, and careful purification and isolation of the final product.

Production inputs

The main inputs required for the production of heterocyclic compounds with oxygen hetero-atoms include a variety of organic precursor chemicals, such as alcohols, aldehydes, and ketones. Specialized catalysts, solvents, and other reagents are also essential for the various synthesis steps. Additionally, the industry relies on advanced analytical equipment and instrumentation to monitor and control the production process, as well as ensure the quality and purity of the final products.

Production outputs

The heterocyclic compounds produced under HS code 293291 are used as intermediates and building blocks in the manufacture of a wide range of products. These include 300490 Medicaments, 380810 Insecticides, 293499 Other heterocyclic compounds, and 293499 (Other heterocyclic compounds with oxygen hetero-atom(s) only). The versatility of these compounds makes them valuable inputs for numerous industries, contributing to the development of innovative and high-performance products.

Revisions to 293291

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 293291. The most recent 1 version of this code (293291) is in the HS v2022 system:

This page shows a legacy version of code 293291 ( HS v2017).

Older versions

Family tree for heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), isosafrole

    graph LR
    A["<a href='/classifications/hs/v2017/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2017/2932'>2932: Heterocyclic compounds with oxygen hetero-atom(s) only</a>"]
B --> C["<a href='/classifications/hs/v2017/293291'>293291: Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), isosafrole</a>"]

    B --> D["<a href='/classifications/hs/v2017/293211'>293211: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, tetrahydrofuran</a>"]
B --> E["<a href='/classifications/hs/v2017/293212'>293212: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, 2-furaldehyde (furfuraldehyde)</a>"]
B --> F["<a href='/classifications/hs/v2017/293213'>293213: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, furfuryl alcohol and tetrahydrofurfuryl alcohol</a>"]
B --> G["<a href='/classifications/hs/v2017/293214'>293214: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, sucralose</a>"]
B --> H["<a href='/classifications/hs/v2017/293219'>293219: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, n.e.c. in item no. 2932.1</a>"]
B --> I["<a href='/classifications/hs/v2017/293220'>293220: Heterocyclic compounds; with oxygen hetero-atom(s) only, containing an unfused furan ring (whether or not hydrogenated) in the structure, lactones</a>"]
B --> J["<a href='/classifications/hs/v2017/293292'>293292: Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), 1-(1,3-benzodiaxol-5-yl) propan-2-one</a>"]
B --> K["<a href='/classifications/hs/v2017/293293'>293293: Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), piperonal</a>"]
B --> L["<a href='/classifications/hs/v2017/293294'>293294: Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), safrole</a>"]
B --> M["<a href='/classifications/hs/v2017/293295'>293295: Heterocyclic compounds; with oxygen hetero-atom(s) only, (other than lactones or compounds containing an unfused furan ring (whether or not hydrogenated) in the structure), tetrahydrocannabinols (all isomers)</a>"]
B --> N["<a href='/classifications/hs/v2017/293299'>293299: Heterocyclic compounds; with oxygen hetero-atom(s) only, no lactones or unfused furan rings (hydrogenated or not) in the structure, other than isosafrole, 1-(1,3-benzodiaxol-5-yl) propan-2-one, piperonal, safrole, tetrahydrocannabinols (all isomers)</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 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