Heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3

HS v2022 Code: 293491

About heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3

HS code 293491 covers a diverse range of heterocyclic chemical compounds that are not classified under other specific codes within the 2934 heading. These compounds play a vital role in various industries, including pharmaceuticals, agrochemicals, and specialty chemicals. Their unique molecular structures and properties make them essential building blocks for the synthesis of a wide array of products that are crucial to the global economy.

Production process

The production of heterocyclic compounds under HS code 293491 typically involves complex organic synthesis reactions. These may include cyclization, condensation, and substitution reactions, often catalyzed by various reagents and solvents. The specific techniques used depend on the target compound and its desired properties. Manufacturers employ a range of purification and separation methods, such as distillation, crystallization, and chromatography, to obtain the desired level of purity and quality.

Production inputs

The main inputs required for the production of heterocyclic compounds under HS code 293491 include a variety of organic precursors, such as 290211 benzene, 290524 pyridine, and 293499 other heterocyclic compounds. Additionally, manufacturers rely on specialized equipment, such as reactors, distillation columns, and analytical instruments, as well as a skilled workforce with expertise in organic chemistry and process engineering.

Production outputs

The heterocyclic compounds produced under HS code 293491 are widely used as intermediates and building blocks in the synthesis of a diverse range of products. These include 300490 medicinal products, 380810 insecticides, and 380891 fungicides. The specific applications of these compounds depend on their unique chemical properties and functionalities, making them valuable inputs for various industries.

Revisions to 293491

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 293491. The most recent 1 version of this code (293491) is in the HS v2022 system (this version):

This page shows the most recent version of code 293491.

Family tree for heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3

    graph LR
    A["<a href='/classifications/hs/v2022/29'>29: Organic chemicals</a>"]
A --> B["<a href='/classifications/hs/v2022/2934'>2934: Nucleic acids and their salts, whether or not chemically defined; other heterocyclic compounds</a>"]
B --> C["<a href='/classifications/hs/v2022/293491'>293491: Heterocyclic compounds; other heterocyclic compounds, n.e.c. in 2934.1, 2934.2 and 2934.3</a>"]

    B --> D["<a href='/classifications/hs/v2022/293410'>293410: Heterocyclic compounds; containing an unfused thiazole ring (whether or not hydrogenated) in the structure</a>"]
B --> E["<a href='/classifications/hs/v2022/293420'>293420: Heterocyclic compounds; containing in the structure, a benzothiazole ring-system (whether or not hydrogenated), not further fused</a>"]
B --> F["<a href='/classifications/hs/v2022/293430'>293430: Heterocyclic compounds; containing in the structure, a phenothiazine ring-system (whether or not hydrogenated), not further fused</a>"]
B --> G["<a href='/classifications/hs/v2022/293492'>293492: Heterocyclic compounds; other fentanyls n.e.c. in 2934, and their derivatives</a>"]
B --> H["<a href='/classifications/hs/v2022/293499'>293499: Nucleic acids and their salts, other heterocyclic compounds, n.e.c. in heading number 2934</a>"]

    

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