Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3

HS v2017 Code: 293339

About heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3

HS code 293339 covers a diverse range of heterocyclic compounds that contain an unfused pyridine ring, either hydrogenated or not. 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 importance within the broader chemical industry cannot be overstated, as they serve as building blocks for many essential materials and intermediates.

Production process

The production of compounds under HS code 293339 typically involves a range of organic synthesis techniques, such as cyclization, condensation, and substitution reactions. These processes are often carried out in specialized chemical plants, utilizing advanced equipment and carefully controlled reaction conditions to ensure high yields and product purity. The specific production methods can vary depending on the target compound, but generally involve the careful manipulation of reactants, catalysts, and reaction parameters to achieve the desired molecular structure and properties.

Production inputs

The main inputs required for the production of HS code 293339 compounds include a variety of organic precursors, such as 290339 (Heterocyclic compounds with nitrogen hetero-atom(s) only, containing an unfused pyridine ring (whether or not hydrogenated) in the structure), 290359 (Heterocyclic compounds with nitrogen hetero-atom(s) only, containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure), and other related starting materials. 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 synthesis and process engineering.

Production outputs

The compounds produced under HS code 293339 find a wide range of applications in various industries. They are often used as intermediates in the production of 294000 (Heterocyclic compounds with nitrogen hetero-atom(s) only; nucleic acids and their salts), 295000 (Heterocyclic compounds with oxygen hetero-atom(s) only), and 296000 Heterocyclic compounds with both nitrogen and oxygen as the only hetero-atoms, which are further processed into pharmaceuticals, agrochemicals, and other specialty chemicals. The versatility of these heterocyclic compounds ensures their continued importance in the global chemical industry.

Revisions to 293339

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 293339. The most recent 5 versions of this code (293339) is in the HS v2022 system:

This page shows a legacy version of code 293339 ( HS v2017).

Older versions

Family tree for heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3

    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/v2017/293339'>293339: Heterocyclic compounds; containing an unfused pyridine ring (whether or not hydrogenated) in the structure, n.e.c. in 2933.3</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/v2017/293341'>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>"]

    

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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

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  %% class J,K,L,M,N,O,P level3
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