Oligonucleotide Properties Calculator

Click here to go to the original OligoCalc page.
Enter Oligonucleotide Sequence Below
OD and Molecular Weight calculations are for single-stranded DNA or RNA
Nucleotide base codes

Reverse Complement Strand(5' to 3') is:

Number of Fluorescent tags per strand:
6-FAM  TET   HEX   TAMRA  
Minimum base pairs required for single primer self-dimerization:
Minimum base pairs required for a hairpin :
Physical Constants
Melting Temperature (TM) Calculations
Length: bases
GC content: %
Molecular Weight: 4
1 ml of a sol'n with an Absorbance of at 260 nm
is microMolar 5 and contains micrograms.
1 °C (Basic)
2 °C (Salt Adjusted)
3 °C (Nearest Neighbor)
nM Primer
mM Salt (Na+)
Thermodynamic Constants
Conditions: 1 M NaCl at 25°C at pH 7.
RlnK cal/(°K*mol) deltaH Kcal/mol
deltaG Kcal/mol deltaS cal/(°K*mol)
Oligo Calculator version 3.07 (last modified by WAKibbe 03/25/2004)