Stictic acid

• CAT Number: R074536
• CAS Number: 549-06-4
• PubChem Substance ID: 73677
• Molecular Formula: C19H14O9
• Molecular Weight: 386.31
• Purity: ≥95%
• Target: Fungal
• IUPAC Name: 13,17-dihydroxy-5-methoxy-7,12-dimethyl-9,15-dioxo-2,10,16-trioxatetracyclo[9.7.0.03,8.014,18]octadeca-1(11),3(8),4,6,12,14(18)-hexaene-4-carbaldehyde
• InChI: InChI=1S/C19H14O9/c1-6-4-9(25-3)8(5-20)15-10(6)17(22)27-14-7(2)13(21)11-12(16(14)26-15)19(24)28-18(11)23/h4-5,19,21,24H,1-3H3
• InChIKey: SKCUFZLDTAYNBZ-UHFFFAOYSA-N
• SMILES: CC1=CC(=C(C2=C1C(=O)OC3=C(O2)C4=C(C(=C3C)O)C(=O)OC4O)C=O)OC

Stictic acid（Cat No.:R074536）is a secondary metabolite classified as a tridepside, commonly found in various lichen species, particularly within the Sticta and Usnea genera. It possesses a complex polyphenolic structure with multiple hydroxyl, methoxy, and carboxylic acid groups, contributing to its notable bioactivity. Stictic acid exhibits antioxidant, antimicrobial, and anti-inflammatory properties, and is being studied for potential anticancer and neuroprotective effects. It also plays a role in lichen ecology by deterring herbivory and microbial invasion. Its diverse functional groups make it a valuable compound in natural product and pharmacological research.