Molar mass of CAPS
The molecular formula of CAPS is C9H19NO3S, giving a molar mass of 221.315 g/mol.
Molar mass
221.315g/mol
Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).
Formula
C9H19NO3S
Category
Buffer Components
Atoms per molecule
33
CAPS conversions
Mass ↔ amount and solution conversions derived from the stored molar mass of 221.315 g/mol.
1 mmol221.315 mg
1 g4.5184 mmol
1 M221.315 g/L
About CAPS
A zwitterionic buffer with a pKa near 10.4, the standard for alkaline western-blot transfer and for reversible protein blot staining. It is one of the Good buffers designed to combine high buffering capacity with low biological activity.
Related compounds
Other entries in Buffer Components.
2-MercaptoethanolC2H6OS · 78.129 g/molAmmonium acetateC2H7NO2 · 77.083 g/molBicineC6H13NO4 · 163.173 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/molHEPESC8H18N2O4S · 238.302 g/molImidazoleC3H4N2 · 68.079 g/mol