For your convenience, please use our Oligo Analysis Tool or apply the formula below:
M[µg] = N x MW / 1000
MW = Molecular weight
Example:
Sequence: GAA ATG AGT GCT CAT CAC TAC TTC CGC (27mer)
nA=7; nC=8; nG=5; nT=7
MW (calculated) = 8219 g/mol
N= 41.3 nmol
M[µg] = 41.3 x 8219 / 1000 = 339