(+)-Usnic acid from Usnea dasypoga

• Catalog No.: 94480
• CAS Number: 7562-61-0
• M. F.: C18H16O7
• M. W.: 344.31544
• Purity: ≥95.0% (sum of enantiomers, TLC)

SYNONYMS

• Title: (+)-松萝酸 来源于松萝
• IUPAC name: (2R)-4,10-diacetyl-3,11,13-trihydroxy-2,12-dimethyl-8-oxatricyclo[7.4.0.0^2,^7]trideca-1(13),3,6,9,11-pentaen-5-one
• IUPAC Traditional name: (2R)-4,10-diacetyl-3,11,13-trihydroxy-2,12-dimethyl-8-oxatricyclo[7.4.0.0^2,^7]trideca-1(13),3,6,9,11-pentaen-5-one
• Synonyms: D-2,6-二乙酰基-7,9-二羟基-8,9b-二甲基-1,3(2H,9bH)-二苯并呋喃二酮; 2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyldibenzofuran-1,3(2H,9bH)-dione

DATABASE IDS

• PubChem SID: 24889999
• EC Number: 231-456-0
• CAS Number: 7562-61-0
• MDL Number: MFCD00016878
• Beilstein Number: 96698

PROPERTIES

• Empirical Formula (Hill Notation): C18H16O7
• Purity: ≥95.0% (sum of enantiomers, TLC)
• Melting Point: 194-204 °C
• Optical Rotation: [α]20/D +495±15°, c = 0.7% in chloroform
• GHS Signal Word: Warning
• GHS Hazard statements: H302
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves
• Risk Statements: 22
• RTECS: HP5295050
• Safety Statements: 36
• German water hazard class: 3