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Merck
CN

69947

MOPS

≥99.5% (titration), powder or crystals, for molecular biology, BioUltra

Synonym(s):

3-(N-Morpholino)propanesulfonic acid, 4-Morpholinepropanesulfonic acid

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About This Item

Empirical Formula (Hill Notation):
C7H15NO4S
CAS Number:
Molecular Weight:
209.26
NACRES:
NA.25
PubChem Substance ID:
UNSPSC Code:
12161700
EC Number:
214-478-5
MDL number:
Beilstein/REAXYS Number:
1106776
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Product Name

MOPS, BioUltra, Molecular Biology, ≥99.5% (titration)

InChI key

DVLFYONBTKHTER-UHFFFAOYSA-N

InChI

1S/C7H15NO4S/c9-13(10,11)7-1-2-8-3-5-12-6-4-8/h1-7H2,(H,9,10,11)

SMILES string

OS(=O)(=O)CCCN1CCOCC1

grade

Molecular Biology

product line

BioUltra

assay

≥99.5% (titration)

form

powder or crystals

impurities

DNases, none detected
RNases, none detected
insoluble matter, passes filter test
phosphatases, none detected
proteases, none detected

ign. residue

≤0.1% (as SO4)

loss

≤1% loss on drying, 110 °C

pH

2.5-4.0 (25 °C, 1 M in H2O)

useful pH range

6.5-7.9

pKa (25 °C)

7.2

solubility

H2O: 1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.020
λ: 280 nm Amax: 0.015

Quality Level

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Application

MOPS has been used:
  • as a component of Roswell Park Memorial Institute (RPMI) medium for diluting fungal inoculum
  • as a buffer in capillary-zone electrophoresis to test performance
  • for the dilution of proteins from algal samples

General description

3-(N-Morpholino)propanesulfonic acid or MOPS due to its inert nature is a preferred and widely used buffer in many biochemical studies.

Other Notes

Component of running buffer in the fractionation of RNA on formaldehyde agarose gels.
Easily compare specifications for MOPS products with the MOPS specification table.

Storage Class

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

230.0 °F - closed cup

flash_point_c

110 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Separation and Detection of Phosphorylated and Nonphosphorylated BvgA, a Bordetella pertussis Response Regulator, in vivo and in vitro
Chen Q, et al.
Bio-protocol, 3 (2013)
Interactions of biological buffers with macromolecules: the ubiquitous ?smart? polymer PNIPAM and the biological buffers MES, MOPS, and MOPSO
Taha M, et al.
Macromolecules, 44(21) (44)
Laminarin quantification in microalgae with enzymes from marine microbes
Becker S and Hehemann JH
Bio-protocol, 8(8) (8)
R.C. Ogden et al.
Methods in Enzymology, 152, 82-82 (1987)
Anita V Thomae et al.
Biophysical journal, 89(3), 1802-1811 (2005-06-14)
According to the pH-partition hypothesis the charged species of organic compounds do not contribute to lipid bilayer permeation as they generally show negligible partitioning into n-octanol. With this assumption, membrane permeation is related to the molar fraction of the neutral

Related Content

MOPS Specification Comparison

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