Date published: 2026-4-24

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AFMK (CAS 52450-38-1)

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Alternate Names:
N-[3-[2-(formylamino)-5-methoxyphenyl]-3-oxypropyl]-acetamide; NSC 688263
Application:
AFMK is an immunomodulatory antioxidant melatonin metabolite
CAS Number:
52450-38-1
Purity:
>98%
Molecular Weight:
264.28
Molecular Formula:
C13H16N2O4
Supplemental Information:
This is classified as a Dangerous Good for transport and may be subject to additional shipping charges.
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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AFMK is a metabolite of the pineal hormone melatonin that exhibits antioxidant, immunomodulatory and anti-inflammatory properties. AFMK was first detected in rat brain and was found to be useful as an index for melatonin synthesis and metabolism.


AFMK (CAS 52450-38-1) References

  1. Radioimmunoassay of N-acetyl-N-formyl-5-methoxykynuramine (AFMK): a melatonin oxidative metabolite.  |  Harthé, C., et al. 2003. Life Sci. 73: 1587-97. PMID: 12865098
  2. Neutrophils as a specific target for melatonin and kynuramines: effects on cytokine release.  |  Silva, SO., et al. 2004. J Neuroimmunol. 156: 146-52. PMID: 15465605
  3. AFMK, a melatonin metabolite, attenuates X-ray-induced oxidative damage to DNA, proteins and lipids in mice.  |  Manda, K., et al. 2007. J Pineal Res. 42: 386-93. PMID: 17439555
  4. Optimized synthesis of the melatonin metabolite N1-acetyl-N2-formyl-5-methoxykynuramine (AFMK).  |  Ximenes, VF. 2008. J Pineal Res. 45: 297-301. PMID: 18373552
  5. Space radiation-induced inhibition of neurogenesis in the hippocampal dentate gyrus and memory impairment in mice: ameliorative potential of the melatonin metabolite, AFMK.  |  Manda, K., et al. 2008. J Pineal Res. 45: 430-8. PMID: 18631288
  6. On the free radical scavenging activities of melatonin's metabolites, AFMK and AMK.  |  Galano, A., et al. 2013. J Pineal Res. 54: 245-57. PMID: 22998574
  7. Melatonin metabolite, N(1)-acetyl-N(1)-formyl-5-methoxykynuramine (AFMK), attenuates acute pancreatitis in the rat: in vivo and in vitro studies.  |  Jaworek, J., et al. 2016. J Physiol Pharmacol. 67: 411-21. PMID: 27512002
  8. Taxon- and Site-Specific Melatonin Catabolism.  |  Hardeland, R. 2017. Molecules. 22: PMID: 29160833
  9. Melatonin and its metabolite N1-acetyl-N2-formyl-5-methoxykynuramine (afmk) enhance chemosensitivity to gemcitabine in pancreatic carcinoma cells (PANC-1).  |  Leja-Szpak, A., et al. 2018. Pharmacol Rep. 70: 1079-1088. PMID: 30308458
  10. Protective stabilization of mitochondrial permeability transition and mitochondrial oxidation during mitochondrial Ca2+ stress by melatonin's cascade metabolites C3-OHM and AFMK in RBA1 astrocytes.  |  Jou, MJ., et al. 2019. J Pineal Res. 66: e12538. PMID: 30415481

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

AFMK, 1 mg

sc-205201
1 mg
$54.00

AFMK, 5 mg

sc-205201A
5 mg
$144.00

AFMK, 10 mg

sc-205201B
10 mg
$216.00

AFMK, 50 mg

sc-205201C
50 mg
$720.00