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Overview
Urocanic acid (4-Imidazoleacrylic acid), synthesized in the epidermis, functions as a primary absorber of ultraviolet (UV) radiation in mammalian skin.
Chemical Properties
| Molecular Formula | C6H6N2O2 |
| Molecular Weight | 138.12 |
| CAS Numbers | 104-98-3 |
| Solubility | DMSO |
| Purity | 98% by HPLC |
| SMILES Code | OC(=O)C=CC1=CNC=N1 |
Storage and Handling
0C Short Term, -20C Long Term
References
Gibbs NK, et al. Recent advances in urocanic acid photochemistry, photobiology and photoimmunology. Photochem Photobiol Sci. 2008 Jun;7[6] 655-67.