| Melting Point | 292°C (dec., lit.) |
| Color | White |
| Formula Weight | 456.71 |
| Physical Form | Powder |
| Chemical Name or Material | Ursolic Acid |
| Molecular Weight | 456.70 g/mol |
| CAS Number | 77-52-1 |
| Storage Temperature | 2–8°C |
| EC Number | 201-034-0 |
| Empirical Formula | C30H48O3 |
| NACRES | NA.22 |
| PubChem Substance ID | 57654721 |
| UNSPSC Code | 12352002 |
| MDL Number | MFCD00009621 |
| Beilstein/REAXYS Number | 2228563 |
| InChIKey | WCGUUGGRBIKTOS-GPOJBZKASA-N |
| Quality Level | 100 |
| Reference Assay | ≥90% |
Ursolic Acid is a pentacyclic triterpenoid — a five-ring, plant-derived structure related biosynthetically to other well-known triterpenes like oleanolic acid. It’s naturally present in the waxy cuticle of apple peels and in a wide variety of herbs, fruits, and medicinal plants, and its antioxidant chemistry has made it a frequently studied compound in natural-product and cosmetic-ingredient research.
Researchers use ursolic acid as a reference standard in natural-product chemistry and analytical method development, given its well-characterized structure and wide occurrence in plant material. It has documented cardioprotective and anti-tumor research activity, and is under active study for its inhibitory effects on amyloid-β/CD36 receptor interactions relevant to neurodegenerative disease research. Cosmetic and nutraceutical formulation teams evaluate it for its antioxidant properties in early-stage ingredient research.
*This reference listing carries no GHS hazard pictogram or hazard statement — it is not classified as GHS-hazardous.*
