cyclopentanepentone
type: Thing
description: chemical compound
additional property: PropertyValue
  property ID: P31
  value: type of chemical entity
additional property: PropertyValue
  property ID: P117
  value: Cyclopentanepentone-2D.png
additional property: PropertyValue
  property ID: P231
  value: 3617-57-0
additional property: PropertyValue
  property ID: P233
  value: C1(=O)C(=O)C(=O)C(=O)C1=O
additional property: PropertyValue
  property ID: P234
  value: InChI=1S/C5O5/c6-1-2(7)4(9)5(10)3(1)8
additional property: PropertyValue
  property ID: P235
  value: YVVXMBHAKNKELS-UHFFFAOYSA-N
additional property: PropertyValue
  property ID: P274
  value: C₅O₅
additional property: PropertyValue
  property ID: P279
  value: chemical compound
additional property: PropertyValue
  property ID: P373
  value: Cyclopentanepentone
additional property: PropertyValue
  property ID: P527
  value: carbon
additional property: PropertyValue
  property ID: P527
  value: oxygen
additional property: PropertyValue
  property ID: P646
  value: /m/05pcphl
additional property: PropertyValue
  property ID: P661
  value: 16788087
additional property: PropertyValue
  property ID: P662
  value: 12305030
additional property: PropertyValue
  property ID: P2067
  value: +139.974573
additional property: PropertyValue
  property ID: P2877
  value: 12433546
additional property: PropertyValue
  property ID: P3117
  value: DTXSID90486718
additional property: PropertyValue
  property ID: P6366
  value: 2777260193
additional property: PropertyValue
  property ID: P8224
  value: Cyclopentanepentone-3D-balls.png
additional property: PropertyValue
  property ID: P8494
  value: DTXCID90437528
additional property: PropertyValue
  property ID: P11089
  value: 48185770
confidence:
  popularity graph score:
    score: 0.009
    score pct: 1
    tier: established
    components:
      sitelinks: 10
      sitelinks norm: 0.024
      unique citations: 6
      unique citations norm: 0.002
      monthly pageviews: 0
      monthly pageviews norm: 0.0
  sitelinks: 10
  unique citations: 6
  monthly pageviews: 0
  yearly pageviews: 52
  pageview trend:
    m: 2026-06
    v: 34
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 1
  pageview trend:
    m: 2026-05
    v: 4
  pageview trend:
    m: 2026-04
    v: 10
  pageview trend:
    m: 2026-04
    v: 1
  popularity:
    sitelinks: 10
    max: 423
    pct: 2.4
  tier: established
claims:
  P31:
    value: Q113145171
    source count: 0
    confidence: 0.0
    value label: type of chemical entity
  P117:
    value: Cyclopentanepentone-2D.png
    source count: 0
    confidence: 0.0
  P231:
    value: 3617-57-0
    source count: 1
    confidence: 0.2
  P233:
    value: C1(=O)C(=O)C(=O)C(=O)C1=O
    source count: 1
    confidence: 0.2
  P234:
    value: InChI=1S/C5O5/c6-1-2(7)4(9)5(10)3(1)8
    source count: 1
    confidence: 0.2
  P235:
    value: YVVXMBHAKNKELS-UHFFFAOYSA-N
    source count: 1
    confidence: 0.2
  P274:
    value: C₅O₅
    source count: 1
    confidence: 0.2
  P279:
    value: Q11173
    source count: 0
    confidence: 0.0
    value label: chemical compound
  P373:
    value: Cyclopentanepentone
    source count: 0
    confidence: 0.0
  P527:
    value: Q623
    source count: 0
    confidence: 0.0
    value label: carbon
  P527:
    value: Q629
    source count: 0
    confidence: 0.0
    value label: oxygen
  P646:
    value: /m/05pcphl
    source count: 1
    confidence: 0.2
  P661:
    value: 16788087
    source count: 1
    confidence: 0.2
  P662:
    value: 12305030
    source count: 2
    confidence: 0.4
  P2067:
    value:
      unit: Q483261
      amount: +139.974573
    source count: 1
    confidence: 0.2
  P2877:
    value: 12433546
    source count: 1
    confidence: 0.2
  P3117:
    value: DTXSID90486718
    source count: 2
    confidence: 0.4
  P6366:
    value: 2777260193
    source count: 0
    confidence: 0.0
  P8224:
    value: Cyclopentanepentone-3D-balls.png
    source count: 0
    confidence: 0.0
  P8494:
    value: DTXCID90437528
    source count: 0
    confidence: 0.0
  P11089:
    value: 48185770
    source count: 1
    confidence: 0.2
citations:
  source: CAS Common Chemistry
  stated in qid: Q18907859
  retrieved: 2021-04-09

title: Cyclopentanepentone
source: PubChem
stated in qid: Q278487
retrieved: 2016-09-21

title: 1,2,3,4,5-Cyclopentanepentone
source: ChemSpider
stated in qid: Q2311683
retrieved: 2016-09-21

source: Freebase Data Dumps
stated in qid: Q15241312
pub year: 2013

source: Mapping file of InChIStrings, InChIKeys and DTXSIDs for the EPA CompTox Dashboard
stated in qid: Q28061352

source: UniChem
stated in qid: Q24170711

wikidata id: Q3008556
domain: type_of_chemical_entity
level: standard
html url: https://4ort.xyz/entity/cyclopentanepentone
markdown url: https://4ort.xyz/entity/cyclopentanepentone.md
facts url summary: https://4ort.xyz/entity/cyclopentanepentone/facts.json
facts url standard: https://4ort.xyz/entity/cyclopentanepentone/facts.json
facts url full: https://4ort.xyz/entity/cyclopentanepentone/facts.json
data source: Wikidata (CC0 / public domain)
license: https://creativecommons.org/publicdomain/zero/1.0/
api version: v1
served at: 2026-08-24T06:34:33.078808Z
entity updated at: 2026-05-03T22:54:58.348740+00:00Z
entity created at: 2026-04-10T23:50:31.536204+00:00Z