(R)-semi-Vioxanthin
[CAS# 70477-26-8]

Identification

• Name: (R)-semi-Vioxanthin
• Synonyms: Semivioxanthin; (R)-3,4-Dihydro-9,10-dihydroxy-7-methoxy-3-methyl-1H-naphtho[2,3-c]pyran-1-one
• Molecular Formula: C₁₅H₁₄O₅
• Molecular Weight: 274.27
• CAS Registry Number: 70477-26-8

Properties

• Solubility: Practically insoluble (0.049 g/L) (25 ºC), Calc.^*
• Density: 1.379±0.06 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 174-177 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Tan, Nichole P. H.; Tetrahedron 2009, V65(20), P4007-4012.