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1H-indole

chemical compound
Class type of: indole alkaloid, indole Q319541

Facts

20 properties
Instance of
type of chemical entity
Subclass of
indole alkaloid, indole[4][5]
Part of
tryptophanase activity, indole-3-glycerol-phosphate lyase activity, indole-2-monooxygenase activity, indole 2,3-dioxygenase activity, L-serine hydro-lyase (adding indole, L-tryptophan-forming) activity[6][7][8][9][10]
Boiling point
+254
Canonical SMILES
C1=CC=C2C(=C1)C=CN2[2]
Chemical formula
C₈H₇N[3]
Density
+1.22
Described by source
Otto's encyclopedia, Encyclopædia Britannica 11th edition, Armenian Soviet Encyclopedia, vol. 4
Different from
indene
Found in taxon
Jasminum grandiflorum, Zingiber mioga, Narcissus tazetta, maize, Daphne odora, northern giraffe, Gossypium hirsutum, Ficus carica, Amorphophallus eichleri, yerba mate, Isatis tinctoria, Sauromatum venosum, Polygala senega, liquorice, Hordeum vulgare, Tanacetum parthenium, Senecio viscosissimus, Senecio adenotrichius, Lepidium meyenii, Scutellaria baicalensis, Nothomyrmecia macrops, Cucurbita maxima, Brassica napus, Brassica campestris, Brassica juncea, Brassica nigra, Sinapis alba, Coprinopsis picacea, Lonicera japonica, Citrus hystrix, Citrus reticulata, Psydrax subcordatus, Tecoma stans, Escherichia coli, Paenibacillus polymyxa, Salvia divinorum, Vibrio parahaemolyticus, Alliaria petiolata, Agave amica, kumquat, Citrus × paradisi, Tetrastigma hemsleyanum, Caenorhabditis elegans, Arabidopsis thaliana, Medicago sativa, Nicotiana tabacum, Citrus × deliciosa, Brassica rapa, Lucensosergia lucens, Prunus padus, Bulbophyllum variegatum[14][15][16][17][18][19][20][21][22][23][24]
Has part(s)
nitrogen, carbon, hydrogen[11][12][13]
Mass
+117.058
Melting point
+52.0, +52.3
PKa
+17, +16.2
Partition coefficient water/octanol
+2.14
Solubility
+1.87
Subject has role
primary metabolite
Substrate of
tryptophan synthase
Tautomer of
3H-indole
Vapor pressure
+100
🏷️ Also known as
en indole en indol en 1H-indole ar الإندول ar اندول ar C8H7N ar Indole ar إندول de 1H-Indol el ινδόλιο es 2,3-benzopirrol es Cetol es 1-benzazol fi 2,3-bentsopyrroli fi Bentsopyrroli fi indoli he אינדול it C8H7N it indolo ja インドール
🔖 Identifiers · 52
Brockhaus Enzyklopädie online ID
indol
CAS Registry Number
120-72-9
Cannabis Database ID
004861
ChEBI ID
16881
ChEMBL ID
CHEMBL15844
ChemSpider ID
776
CosIng number
40299
DSSTOX compound identifier
DTXCID40737
DSSTox substance ID
DTXSID0020737
De Agostini ID
indòlo
DrugBank ID
DB04532
EC number
204-420-7
Show all 52 identifiers +40
ECHA Substance Infocard ID
100.004.019
Encyclopædia Britannica Online ID
science/indole
FL number
14.007
Freebase ID
/m/02dpgh
Gmelin number
3477
Gran Enciclopèdia Catalana ID
indole
Gran Enciclopèdia Catalana ID (former scheme)
0116392
Great Russian Encyclopedia Online ID (2017)
2010191
Great Russian Encyclopedia portal ID
indol-209399
HSDB ID
599
Human Metabolome Database ID
HMDB0000738
InChI
InChI=1S/C8H7N/c1-2-4-8-7(3-1)5-6-9-8/h1-6,9H
InChIKey
SIKJAQJRHWYJAI-UHFFFAOYSA-N
JECFA number
1301
JSTOR topic ID (archived)
indoles
KEGG ID
C00463
KNApSAcK ID
C00001418
Lex ID
indol
MassBank accession ID
MSBNK-Fac_Eng_Univ_Tokyo-JP002009, MSBNK-Fac_Eng_Univ_Tokyo-JP002807, MSBNK-Fac_Eng_Univ_Tokyo-JP003524, MSBNK-RIKEN-PR100053
NDL Authority ID
00564100
NE.se ID
indol
NMRShiftDB structure ID
10006007
NSC number
1964
Natural Product Atlas ID
NPA011269
PDB ligand ID
IND
PDB structure ID
3SNM, 1UUV, 2B24, 4EAN, 1EG9, 2XVJ, 185L, 3Q8I, 4UUJ, 2P85, 1O7N, 1L4H
PesticideInfo chemical ID
PRI3651
Probes And Drugs ID
PD014419
Proleksis enciklopedija ID
27933
PubChem CID
798
Quora topic ID
Indole
RTECS number
NL2450000
Reaxys registry number
107693
RxNorm CUI
1311224
Römpp online ID
RD-09-00529
SPLASH
splash10-014i-9800000000-4160749bd673d5e00048, splash10-014i-9800000000-33bf321019a6a8e3401a, splash10-014i-0900000000-e6b11e225744a0d85f71, splash10-014i-0900000000-7b49c1c370d7355c5e6f, splash10-0006-9000000000-050ef45f3ec404d7eb65, splash10-0006-9000000000-79ff95be504a5efad264, splash10-0006-9000000000-31ff8b484e0dc207fcc9, splash10-0006-9000000000-864a48552fea562fc370, splash10-014i-0900000000-bd82bfab4567619b5c41, splash10-014i-0900000000-6bff353534e6f5f9105b, splash10-014i-0900000000-c4e339d4a1d3fda0a949, splash10-014i-2900000000-100cd0cc67ac9eda3f4e, splash10-014l-5900000000-79447b563349d08aacc0, splash10-00kf-9800000000-a1ce5da5416e6d003ff9, splash10-00kf-9500000000-1dcc90ff56b80930d454, splash10-00kf-9300000000-70e7382a85a822aac101, splash10-00kf-9200000000-25d55adc1c615e7d016f, splash10-014i-0900000000-ddb36a6cce4f103bc423, splash10-014i-0900000000-1d2ff7e56486b9ca4c2d, splash10-014i-0900000000-71de1f813c37f2549be4, splash10-014i-1900000000-ffbab8ee8d6ea10f6b88, splash10-014l-4900000000-75a01f786adcdfc0442d, splash10-00kf-9800000000-310aef0907982c2885d7, splash10-00kf-9500000000-5aaacb46312595a18847, splash10-0006-9300000000-b54d08abed2c79be3a55, splash10-00kf-9100000000-5897e1655f1aa0e2191e, splash10-014i-0900000000-ddac2994fff8f21fe8dd, splash10-014i-0900000000-2c0f27b62f220e2ee3a6, splash10-014i-0900000000-53afbaab2e64087b986b, splash10-014i-2900000000-ccfd9273f820030931d2, splash10-014l-6900000000-be79f1ccf8a16cf5fb22, splash10-014u-9500000000-1a5110633cd682046296, splash10-000l-9100000000-889e7648dad637476da4, splash10-000i-9000000000-38d6c79fed7b04d321d5, splash10-0006-9100000000-2531cceca05522a5489e, splash10-014l-9000000000-5e07c15293929ff4440f, splash10-014i-0900000000-622dfed80152ea08d52a, splash10-014i-9700000000-3b1ec48b5bce79adb282
SureChEMBL ID
698
UNII
8724FJW4M5
UniChem compound ID
634877
ZVG number
31030

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⛏️ Lake Facts · open-dataset statements via 4ort-mint

From open datasets, joined by identifier and shown only for properties Wikidata does not state on this entity — except where the dataset is the registry authority for the fact (ClinicalTrials.gov on trial registration data): there its value is shown instead, with Wikidata's noted beside it. Every row carries its dataset edition and licence.

Library of Congress authority IDP244
sh85065725 2026-10-01 ndl_authorities (pdl-1.0) as of 2026-10-01
where from?
Source
ndl_authorities
Edition
20261001 · as of 2026-10-01 · newer edition 20261103 landed
Licence
pdl-1.0
Credit
data obtained from Web NDL Authorities (National Diet Library)
Bronze
manifest sha256 6e048898660f1188…
Transform
4ort-mint · lake · version not recorded
data obtained from Web NDL Authorities (National Diet Library)
🔗 Connections
Found in taxon 48
maize, Hordeum vulgare, Ficus carica, northern giraffe, Citrus reticulata, liquorice, Citrus × paradisi, Brassica napus +40 more
Has part(s) 3
hydrogen, carbon, nitrogen
Described by source 1
Encyclopædia Britannica 11th edition
Different from 1
indene
Subclass of 1
indole alkaloid
Subject has role 1
primary metabolite
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Summary

1H-indole is a type of chemical entity[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.
  14. [15] ↑ . wikidata.org.
  15. [16] ↑ . wikidata.org.
  16. [17] ↑ . wikidata.org.
  17. [18] ↑ . wikidata.org.
  18. [19] ↑ . wikidata.org.
  19. [20] ↑ . wikidata.org.
  20. [21] ↑ . wikidata.org.
  21. [22] ↑ . wikidata.org.
  22. [23] ↑ . wikidata.org.
  23. [24] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). 1H-indole. Retrieved November 4, 2026, from https://4ort.xyz/entity/1h-indole
MLA “1H-indole.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Nov. 2026, https://4ort.xyz/entity/1h-indole.
BibTeX @misc{4ortxyz_1h-indole_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{1H-indole}}, year = {2026}, url = {https://4ort.xyz/entity/1h-indole}, note = {Accessed: 2026-11-04}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): 1H-indole — https://4ort.xyz/entity/1h-indole (retrieved 2026-11-04)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 5w ago · KrBot bot · 2026-09-26 view diff on Wikidata ↗
    ZVG number → 31030
    "/* wbsetclaimvalue:1| */ ZVG number: 31030, см. / see [[Template:Autofix|autofix]] на / on [[Property talk:P679]]"
  2. 6w ago · Mrwdat3 · 2026-09-23 view diff on Wikidata ↗
    ZVG number → 31030
    "/* wbcreateclaim-create:1| */ ZVG number: 031030, [[:toollabs:quickstatements/#/batch/275042|batch #275042]]"
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