Date published: 2026-4-25

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6-Formylindolo[3,2-b]carbazole (CAS 172922-91-7)

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Alternate Names:
FICZ
Application:
6-Formylindolo[3,2-b]carbazole is a high affinity aryl hydrocarbon receptor ligand
CAS Number:
172922-91-7
Purity:
≥95%
Molecular Weight:
284.31
Molecular Formula:
C19H12N2O
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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6-Formylindolo[3,2-b]carbazole, a member of the carbazole family, is an aromatic heterocyclic compound renowned for its distinctive properties. 6-Formylindolo[3,2-b]carbazole has found application in a diverse range of scientific research studies. Although the complete mechanism of action for 6-Formylindolo[3,2-b]carbazole remains elusive, it is hypothesized to function as an enzyme inhibitor, particularly targeting cyclooxygenase-2 (COX-2), while also acting as an agonist for receptors such as the serotonin 5-HT2A receptor.


6-Formylindolo[3,2-b]carbazole (CAS 172922-91-7) References

  1. 6-Formylindolo[3,2-b]carbazole (FICZ) is a Very Minor Photoproduct of Tryptophan at Biologically Relevant Doses of UVB and Simulated Sunlight.  |  Youssef, A., et al. 2019. Photochem Photobiol. 95: 237-243. PMID: 29882277
  2. The tryptophan derivative 6-formylindolo[3,2-b]carbazole, FICZ, a dynamic mediator of endogenous aryl hydrocarbon receptor signaling, balances cell growth and differentiation.  |  Rannug, A. and Rannug, U. 2018. Crit Rev Toxicol. 48: 555-574. PMID: 30226107
  3. Anti-androgenic effect of 6-formylindolo[3,2-b]carbazole (FICZ) in LNCaP cells is mediated by the aryl hydrocarbon-androgen receptors cross-talk.  |  Arabnezhad, MR., et al. 2020. Steroids. 153: 108508. PMID: 31586605
  4. 6-Formylindolo[3,2-b]carbazole (FICZ) Enhances The Expression of Tumor Suppressor miRNAs, miR-22, miR-515-5p, and miR-124-3p in MCF-7 Cells.  |  Mobini, K., et al. 2020. Cell J. 22: 115-120. PMID: 31606975
  5. Selective cytochrome P450 1A1 but not 1B1 promoterCpG island DNA methylation by 6-formylindolo[3,2-b]carbazole (FICZ).  |  Ghaedi, A., et al. 2020. J Biochem Mol Toxicol. 34: e22414. PMID: 31626383
  6. An Endogenous Ligand of Aryl Hydrocarbon Receptor 6-Formylindolo[3,2-b]Carbazole (FICZ) Is a Signaling Molecule in Neurogenesis of Adult Hippocampal Neurons.  |  Keshavarzi, M., et al. 2020. J Mol Neurosci. 70: 806-817. PMID: 32040828
  7. The Endogenous Tryptophan-derived Photoproduct 6-formylindolo[3,2-b]carbazole (FICZ) is a Nanomolar Photosensitizer that Can be Harnessed for the Photodynamic Elimination of Skin Cancer Cells in Vitro and in Vivo.  |  Justiniano, R., et al. 2021. Photochem Photobiol. 97: 180-191. PMID: 32767762
  8. 6-Formylindolo[3,2-b]carbazole reduces apoptosis induced by benzo[a]pyrene in a mitochondrial-dependent manner.  |  Gan, M., et al. 2020. Cell Biol Int. 44: 2427-2437. PMID: 32808713
  9. Activation of aryl hydrocarbon receptor by 6-formylindolo[3,2-b]carbazole alleviated acute kidney injury by repressing inflammation and apoptosis.  |  Tao, S., et al. 2021. J Cell Mol Med. 25: 1035-1047. PMID: 33280241
  10. [6-Formylindolo[3,2-b]carbazole alleviates lipopolysaccharide-induced acute lung injury via suppressing endoplasmic reticulum stress].  |  Shao, L., et al. 2021. Zhonghua Wei Zhong Bing Ji Jiu Yi Xue. 33: 150-154. PMID: 33729131
  11. Inhibition of 6-formylindolo[3,2-b]carbazole metabolism sensitizes keratinocytes to UVA-induced apoptosis: Implications for vemurafenib-induced phototoxicity.  |  Rolfes, KM., et al. 2021. Redox Biol. 46: 102110. PMID: 34418602
  12. 6-Formylindolo[3,2-b]carbazole, a Potent Ligand for the Aryl Hydrocarbon Receptor Produced Both Endogenously and by Microorganisms, can Either Promote or Restrain Inflammatory Responses.  |  Rannug, A. 2022. Front Toxicol. 4: 775010. PMID: 35295226
  13. Endogenous AhR agonist FICZ accumulates in rainbow trout (Oncorhynchus mykiss) alevins exposed to a mixture of two PAHs, retene and fluoranthene.  |  Eriksson, ANM., et al. 2022. Ecotoxicology. 31: 1382-1389. PMID: 36219374
  14. Intestinal Stem Cells Damaged by Deoxycholic Acid via AHR Pathway Contributes to Mucosal Barrier Dysfunction in High-Fat Feeding Mice.  |  Liu, L., et al. 2022. Int J Mol Sci. 23: PMID: 36555220
  15. Cyprinid herpesvirus 2 infection changes microbiota and metabolites in the gibel carp (Carassius auratus gibelio) midgut.  |  Chen, P., et al. 2022. Front Cell Infect Microbiol. 12: 1017165. PMID: 36817692

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

6-Formylindolo[3,2-b]carbazole, 100 µg

sc-300019A
100 µg
$105.00

6-Formylindolo[3,2-b]carbazole, 5 mg

sc-300019
5 mg
$2185.00