3,4-Dihydro-2,2-dimethyl-2H-naphtho[1,2-b]pyran-5,6-dione
[CAS# 4707-32-8]

Identification

• Classification: Biochemical >> Inhibitor >> DNA damage >> Topoisomerase inhibitor
• Name: 3,4-Dihydro-2,2-dimethyl-2H-naphtho[1,2-b]pyran-5,6-dione
• Synonyms: ARQ 501; NSC 26326; NSC 629749; SL 11001; beta-Lapachone
• Molecular Formula: C₁₅H₁₄O₃
• Molecular Weight: 242.27
• CAS Registry Number: 4707-32-8

Properties

• Solubility: Practically insoluble (0.092 g/L) (25 °C), Calc.^*
• Density: 1.25±0.1 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 159.7 °C^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2016 ACD/Labs)

^** Wang, Fangjing