Molar mass of HEPES
The molecular formula of HEPES is C8H18N2O4S, giving a molar mass of 238.302 g/mol.
Molar mass
238.302g/mol
Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).
Formula
C8H18N2O4S
Category
Buffer Components
Atoms per molecule
33
HEPES conversions
Mass ↔ amount and solution conversions derived from the stored molar mass of 238.302 g/mol.
1 mmol238.302 mg
1 g4.1964 mmol
1 M238.302 g/L
About HEPES
A zwitterionic buffer with a pKa near 7.5, almost ideal for cell-culture media and enzymatic assays. It is a good buffer precisely because it does not chelate metals or cross biological membranes appreciably.
Related compounds
Other entries in Buffer Components.
2-MercaptoethanolC2H6OS · 78.129 g/molAmmonium acetateC2H7NO2 · 77.083 g/molBicineC6H13NO4 · 163.173 g/molCAPSC9H19NO3S · 221.315 g/molCHESC8H19NO3S · 209.304 g/molDisodium hydrogen phosphateNa2HPO4 · 141.958 g/molDithiothreitolC4H10O2S2 · 154.242 g/molEDTAC10H16N2O8 · 292.244 g/molEGTAC14H24N2O10 · 380.350 g/molGlycine buffer (glycine)C2H5NO2 · 75.067 g/molGuanidine hydrochlorideCH6ClN3 · 95.530 g/molImidazoleC3H4N2 · 68.079 g/mol