Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure :-- Malonylurea (barbituric acid) and its derivatives; salts thereof

HS v1996 Code: 293351

Revisions to 293351

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 293351. The most recent 3 versions of this code (293351) is in the HS v2022 system:

This page shows a legacy version of code 293351 ( HS v1996).

Newer versions

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

    graph LR
    A["<a href='/classifications/hs/v1996/29'>29: Organic chemicals.</a>"]
A --> B["<a href='/classifications/hs/v1996/2933'>2933: Heterocyclic compounds with nitrogen hetero-atom(s) only.</a>"]
B --> C["<a href='/classifications/hs/v1996/293351'>293351: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure :-- Malonylurea (barbituric acid) and its derivatives; salts thereof</a>"]

    B --> D["<a href='/classifications/hs/v1996/293311'>293311: Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure :-- Phenazone (antipyrin) and its derivatives</a>"]
B --> E["<a href='/classifications/hs/v1996/293319'>293319: Compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure :-- Other</a>"]
B --> F["<a href='/classifications/hs/v1996/293321'>293321: Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure :-- Hydantoin and its derivatives</a>"]
B --> G["<a href='/classifications/hs/v1996/293329'>293329: Compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure :-- Other</a>"]
B --> H["<a href='/classifications/hs/v1996/293331'>293331: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure :-- Pyridine and its salts</a>"]
B --> I["<a href='/classifications/hs/v1996/293332'>293332: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure :-- Piperidine and its salts</a>"]
B --> J["<a href='/classifications/hs/v1996/293339'>293339: Compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure :-- Other</a>"]
B --> K["<a href='/classifications/hs/v1996/293340'>293340: Compounds containing a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused</a>"]
B --> L["<a href='/classifications/hs/v1996/293359'>293359: Compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure :-- Other</a>"]
B --> M["<a href='/classifications/hs/v1996/293361'>293361: Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure :- Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure :-- Melamine</a>"]
B --> N["<a href='/classifications/hs/v1996/293369'>293369: Compounds containing an unfused triazine ring (whether or not hydrogenated) in the structure :-- Other</a>"]
B --> O["<a href='/classifications/hs/v1996/293371'>293371: Lactams :-- 6-Hexanelactam (epsilon-caprolactam)</a>"]
B --> P["<a href='/classifications/hs/v1996/293379'>293379: Lactams :-- Other lactams</a>"]
B --> Q["<a href='/classifications/hs/v1996/293390'>293390: Other</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 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