Oleanolic acid

CAS Number
508-02-1
EC Number
208-081-6

What is Oleanolic acid?

Oleanolic acid (CAS 508-02-1), also known as Oleanic acid, is a pentacyclic triterpenoid derived from plant sources including olive pomace, cloves, and various medicinal herbs.

Where is Oleanolic acid used?

  • Pharmaceutical manufacturing: key starting material for semi-synthesis of triterpenoid derivatives and APIs targeting metabolic and hepatoprotective pathways
  • Cosmetics: anti-aging creams, serums and scalp treatments drawing on antioxidant activity
  • Oral care: functional ingredient in toothpastes and mouthwashes targeting gum health
  • Flavor and fragrance: minor acidulant and fixative component in botanical extracts
  • It also functions as a bioactive intermediate and stabilizing agent in pharmaceutical synthesis and cosmetic formulation.

Commercial specifications

  • High-purity grades typically verified at 98 percent or higher by HPLC
  • Material sourced from olive or plant extraction available with documentation supporting natural origin claims

Other Names (Synonyms)

Virgaureagenin B|Oleanic acid|Olean-12-en-28-oic acid, 3-hydroxy-, (3-beta)-|Giganteumgenin C|Astrantiagenin C|3beta-Hydroxyolean-12-en-28-oic acid|3beta-Hydroxyolean-12-en-28-oate|(3.beta.)-3-hydroxy-Olean-12-en-28-oic acid

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What are the physical properties of Oleanolic acid?

Melting Point 310 °C (decomp)
Boiling Point 553.5 °C
Density 1.10 g/cm³ (Solid)
Color light yellow
Form neat
Refractive Index 1.4940 (estimate)
Log P 8.576 (est)

Which trade and regulatory codes apply to Oleanolic acid?

HS Code 29181990
Storage Class 11 - Combustible Solids
WGK (Germany) 2
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