| Bioactivity | (–)-Mycousnine is a microbial metabolite and derivative of Usnic Acid (HY-N0656) originally isolated from M. nawae that has antibacterial and antifungal activities. It is active against the Gram-positive bacteria B. subtilis, K. rhizophila, and S. aureus (MICs=4, 8, and 4 g/ml, respectively) but not the Gram-negative bacteria E. coli, S. typhimurium, and K. pneumoniae (MICs=>128 g/ml for all).2 (–)-Mycousnine is also active against the fungi T. mentagrophytes, T. rubrum, and C. albicans (MICs=25, 25, and 100 μg/mL, respectively). |
| CAS | 77480-55-8 |
| Formula | C19H20O8 |
| Molar Mass | 376.36 |
| Transport | Room temperature in continental US; may vary elsewhere. |
| Storage | Please store the product under the recommended conditions in the Certificate of Analysis. |
| Reference | [1]. Sassa, et al. Structures of (−)-mycousnine, (+)-isomycousnine and (+)-oxymycousnine, new usnic acid derivatives from phytopathogenic Mycosphaerella nawae. Agric. BioI. Chem. 54(9), 2231-2237 (1990). |
(–)-Mycousnine
CAS: 77480-55-8 F: C19H20O8 W: 376.36
(–)-Mycousnine is a microbial metabolite and derivative of Usnic Acid (HY-N0656) originally isolated from M. nawae that
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