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CAS RN: 508-02-1 | Product Number: O0317

Oleanolic Acid

Purity: >98.0%(T)
≥20  9  
19   ≥20 

* Please contact our distributors or TCI to order our products. The above prices do not include freight cost, customs, and other charges to the destination.
* The storage conditions are subject to change without notice.


Previously this product had been labeled as a hydrate form both in product name and molecular formula. The hydrate form had no exclusive CAS RN and used to share the same CAS RN as the anhydrous form.
To avoid any misleading information and since moisture in product is considered as an impurity, we have decided to remove the term 'Hydrate' from product name and 'xH2O' from the molecular formula for such products.
Please use it at ease since there is no difference in product quality, even if you see the previous indications on a part of label.

Product Number O0317
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__3__0H__4__8O__3 = 456.71  
Physical State (20 deg.C) Solid
CAS RN 508-02-1
Reaxys Registry Number 2228570
PubChem Substance ID 87558857
Merck Index (14) 6827
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 95.0 area%
Purity(Neutralization titration) min. 98.0 %(calcd.on anh.substance)
Specific rotation [a]20/D +74.0 to +79.0 deg(C=1, CHCl3)
Water max. 6.0 %
Properties (reference)
Melting Point 311 °C
Specific Rotation 76° (C=1,CHCl3)
Solubility (soluble in) Chloroform
Related Laws:
RTECS# RK0177965
Transport Information:
H.S.code* 2916.39-000
*This code is applied to the products when TCI exports from Japan and not for import in your country.
Oleanolic Acid: A Pentacyclic Triterpene with a Wide Variety of Biological Activities

Oleanolic acid is a pentacyclic triterpene that widely found in several dietary and medicinal plants. Pharmacological studies have reported that oleanolic acid and its derivatives have a wide variety of biological activities, including anticancer, anti-osteoporosis, anti-obesity, anti-diabetic, lipid-lowering, anti-inflammatory, antioxidant, immune-regulatory, and hepatoprotective effects. (The product is for research purpose only.)


PubMed Literature


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