[18]annulene

Summary

[18]annulene is a type of chemical entity^[1]. [18]annulene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (25 views/month).^[2]

Key Facts

• [18]annulene's instance of is recorded as type of chemical entity^[3].
• [18]annulene's chemical structure is recorded as (18)Annulene.svg^[4].
• [18]annulene's CAS Registry Number is recorded as 2040-73-5^[5].
• [18]annulene's canonical SMILES is recorded as C1=CC=CC=CC=CC=CC=CC=CC=CC=C1^[6].
• [18]annulene's InChI is recorded as InChI=1S/C18H18/c1-2-4-6-8-10-12-14-16-18-17-15-13-11-9-7-5-3-1/h1-18H^[7].
• [18]annulene's InChIKey is recorded as STQWAGYDANTDNA-UHFFFAOYSA-N^[8].
• [18]annulene's chemical formula is recorded as C₁₈H₁₈^[9].
• [18]annulene's subclass of is recorded as annulene^[10].
• [18]annulene's subclass of is recorded as aromatic hydrocarbon^[11].
• [18]annulene's Commons category is recorded as Cyclooctadecanonaene^[12].
• [18]annulene's Freebase ID is recorded as /m/07_95g^[13].
• [18]annulene's ChemSpider ID is recorded as 21865195^[14].
• [18]annulene's PubChem CID is recorded as 137294^[15].
• [18]annulene's ChEBI ID is recorded as 33852^[16].
• [18]annulene's Encyclopædia Britannica Online ID is recorded as science/18-annulene^[17].
• [18]annulene's Reaxys registry number is recorded as 1906386^[18].
• [18]annulene's mass is recorded as {'unit': 'Q483261', 'amount': '+234.141'}^[19].
• [18]annulene's Microsoft Academic ID is recorded as 2778647917^[20].
• [18]annulene's UniChem compound ID is recorded as 1103963^[21].

Why It Matters

[18]annulene ranks in the top 6% of type_of_chemical_entity entities by monthly Wikipedia readership (25 views/month).^[2] [18]annulene has Wikipedia articles in 7 language editions, a strong signal of global cultural recognition.^[22] [18]annulene is known by 4 alternative names across languages and contexts.^[23]