Date published: 2026-4-24

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Phthalide-3-acetic acid (CAS 4743-58-2)

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Alternate Names:
1(3H)-Isobenzofuranone-3-acetic acid
CAS Number:
4743-58-2
Molecular Weight:
192.17
Molecular Formula:
C10H8O4
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Phthalide-3-acetic acid functions as a plant growth regulator. Phthalide-3-acetic acid is able to bind to auxin receptors in plant cells, triggering a signaling cascade that leads to changes in gene expression and ultimately, physiological responses. Phthalide-3-Acetic Acid is known to promote root formation in plant cuttings and enhance fruit set in certain crops. Its mechanism of action involves the activation of specific genes involved in cell division and differentiation, leading to the observed growth-promoting effects. In experimental applications, phthalide-3-acetic acid is used to study the molecular mechanisms underlying plant growth and development, providing insights into the signaling pathways involved in these processes.


Phthalide-3-acetic acid (CAS 4743-58-2) References

  1. Metabolism and pharmacokinetics of 3-n-butylphthalide (NBP) in humans: the role of cytochrome P450s and alcohol dehydrogenase in biotransformation.  |  Diao, X., et al. 2013. Drug Metab Dispos. 41: 430-44. PMID: 23169608
  2. Novel phthalide derivatives: Synthesis and anti-inflammatory activity in vitro and in vivo.  |  Chen, LZ., et al. 2020. Eur J Med Chem. 206: 112722. PMID: 32823004

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Phthalide-3-acetic acid, 5 g

sc-279982
5 g
$55.00