. Author manuscript; available in PMC: 2023 Jun 14.

Published in final edited form as: J Am Chem Soc. 2021 Dec 20;143(51):21667–21675. doi: 10.1021/jacs.1c10482

Table 1.

Summary of Photophysical Properties of the NorCy7 Series of Compounds

	λ_max,abs/λ_max,em (nm)	ε_max (M⁻¹ cm⁻¹)	pK_a	Φ_F^d(%)
Sulfo-NorCy7^a	755/775	73 500	5.2	8.9
H-NorCy7^b	750/770	63 900	5.8	9.1
OMe-NorCy7^b	775/790	56 800	5.5	1.6
Pip-NorCy7^c	760/780	17 200	4.4	8.1
N-Me-Pip-NorCy7^a	760/775	45 000	4.5	10
N-Me-NorCy7^a	730/750	57 600	4.6	12

Acetate buffer pH 4.5.

MeOH/acetate buffer pH 4.5 (2:1).

MeOH/acetate buffer pH 3.75 (2:1).

MeOH + 0.1% formic acid for all compounds.