Nucleotide Physical Properties

Compound Molecular Weight (Daltons) Lambda max (pH 7.0) Absorbance at λ max 1 M solution (pH 7.0)
ATP 507.2 259 15,400
CTP 483.2 271 9,000
GTP 523.2 253 13,700
UTP 484.2 262 10,000
dATP 491.2 259 15,200
dCTP 467.2 271 9,300
dGTP 507.2 253 13,700
dTTP 482.2 267 9,600