What is the molar extinction coefficient of DNA?

The average molar extinction coefficients for DNA are:

• 1/50 (μg/mL)^-1cm^-1 for double-stranded DNA (Absorbance max at 260 nm)
• 1/33 (μg/mL)^-1cm^-1 for single-stranded DNA (Absorbance max at 260 nm)