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chlorophyll b

chemical compound
Class type of: chlorophyll Q1943387

Facts

8 properties
Instance of
group of stereoisomers
Subclass of
chlorophyll
Canonical SMILES
CCC1=C(C2=NC1=CC3=C(C4=C([N-]3)C(=C5C(C(C(=N5)C=C6C(=C(C(=C2)[N-]6)C=C)C)C)CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C(C4=O)C(=O)OC)C)C=O.[Mg+2]
Chemical formula
C₅₅H₇₀MgN₄O₆
Has part(s)
nitrogen, carbon, hydrogen, magnesium, oxygen
Isomeric SMILES
C=Cc1c(C)c2[n-]c1=CC1=NC(=C(CC)C1=CO)C=C1N=C3C(=C1C)C(=O)[C@H](C(=O)OC)C3=C1N=C(C=2)[C@@H](C)[C@@H]1CCC(=O)OC/C=C(\C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C.[Mg+2]
Mass
+907.5218541120901
Subject has role
primary metabolite
🏷️ Also known as
en chlorophyll b fa سبزینه بی fr C55H70MgN4O6 fr chlorophylle b ja クロロフィルb ko 엽록소 b pt Clorofila b ru хлорофилл b sv Klorofyll b vi Diệp lục b zh 叶绿素b
🔖 Identifiers · 27
OpenAlex ID
C2778100927
CAS Registry Number
519-62-0
ChEBI ID
27888
ChemSpider ID
16739843
DSSTOX compound identifier
DTXCID201028611
DSSTox substance ID
DTXSID70889349
DrugBank ID
DB04506
E number
E140
EC number
208-272-4
ECHA Substance Infocard ID
100.007.522
Encyclopædia Britannica Online ID
science/chlorophyll-b
Fluorophores.org substance ID
533
Show all 27 identifiers +15
Freebase ID
/m/08089bv
Gmelin number
632951
Human Metabolome Database ID
HMDB0031146
InChI
InChI=1S/C55H71N4O6.Mg/c1-12-38-35(8)42-27-43-36(9)40(23-24-48(61)65-26-25-34(7)22-16-21-33(6)20-15-19-32(5)18-14-17-31(3)4)52(58-43)50-51(55(63)64-11)54(62)49-37(10)44(59-53(49)50)28-46-39(13-2)41(30-60)47(57-46)29-45(38)56-42;/h12,25,27-33,36,40,51H,1,13-24,26H2,2-11H3,(H-,56,57,58,59,60,62);/q-1;+2/p-1/b34-25+;/t32-,33-,36+,40+,51-;/m1./s1
InChIKey
NSMUHPMZFPKNMZ-VBYMZDBQSA-M
Interlingual Index ID
i42673
KEGG ID
C05307
KNApSAcK ID
C00007376
Microsoft Academic ID (discontinued)
2778100927
Probes And Drugs ID
PD059236
PubChem CID
11593175, 46926108
Reaxys registry number
1208909
ScienceDirect topic ID
agricultural-and-biological-sciences/chlorophyll-b
SureChEMBL ID
38268
UNII
5712ZB110R

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🔗 Connections
Has part(s) 5
hydrogen, oxygen, carbon, nitrogen, magnesium
Subclass of 1
chlorophyll
Subject has role 1
primary metabolite
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Summary

chlorophyll b is a group of stereoisomers[1]. It is a type of chlorophyll[2].

Key Facts

  • Canonical SMILES: CCC1=C(C2=NC1=CC3=C(C4=C([N-]3)C(=C5C(C(C(=N5)C=C6C(=C(C(=C2)[N-]6)C=C)C)C)CCC(=O)OCC=C(C)CCCC(C)CCCC(C)CCCC(C)C)C(C4=O)C(=O)OC)C)C=O.[Mg+2][3]
  • Chemical formula: C₅₅H₇₀MgN₄O₆[4]
  • Has part(s): nitrogen[5], carbon[6], hydrogen[7], magnesium[8], oxygen[9]
  • Isomeric SMILES: C=Cc1c(C)c2[n-]c1=CC1=NC(=C(CC)C1=CO)C=C1N=C3C(=C1C)C(=O)C@HC3=C1N=C(C=2)C@@H[C@@H]1CCC(=O)OC/C=C(\C)CCCC@HCCCC@HCCCC(C)C.[Mg+2]C@HC3=C1N=C(C=2)C@@H[C@@H]1CCC(=O)OC/C=C(\C)CCCC@HCCCC@HCCCC(C)C.[Mg+2]">[10]
  • Mass: 907.5218541120901 dalton[11]
  • Subject has role: primary metabolite[12]

References

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

Direct Wikidata claims

  1. [3] ↑ . PubChem. wikidata.org.
  2. [4] ↑ . PubChem. wikidata.org.
  3. [2] ↑ . 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] ↑ . Reactome. plantreactome.gramene.org. Provenance: 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). chlorophyll b. Retrieved November 8, 2026, from https://4ort.xyz/entity/chlorophyll-b
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BibTeX @misc{4ortxyz_chlorophyll-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{chlorophyll b}}, year = {2026}, url = {https://4ort.xyz/entity/chlorophyll-b}, note = {Accessed: 2026-11-08}}
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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. 20w ago · Nabbegat · 2026-06-19 view diff on Wikidata ↗
    Instance of → group of stereoisomers
    Subclass of → chlorophyll
    Subject has role → primary metabolite
    Mass → 907.521854 dalton
    + 1 other property edited (see Wikidata diff for full list)
    "Changed [tr] labels, descriptions or aliases: QuickStatements 3.0 batch #37300"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.