What are the physical and chemical properties of (3S)-6,7-Dimethoxy-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid (CAS: 103733-66-0)?

(3S)-6,7-Dimethoxy-1,2,3,4-tetrahydro-3-isoquinolinecarboxylic acid is a crystalline solid with a molecular weight of 228.17 g/mol. It has a solubility of 14.5 mg/mL in water and is slightly soluble in common organic solvents. This compound exhibits good stability under normal conditions but is susceptible to hydrolysis under acidic or basic conditions.