
Life Science Buffers
Balanced salt solutions and powders used for molecular, protein, nucleic acid, and cell biology applications including cell culture, electrophoresis, ELISA, and chromatography processes; available in a variety of formulations and grades.
Buffer solutions serve to keep pH (acidity or alkalinity) nearly constant in a variety of chemical and biological applications. For example, a bicarbonate buffer helps maintain the pH of blood, a buffered saline maintains cellular contents at a consistent pH level, and buffers help maintain a narrow pH range for enzymes to function correctly.
Most biological samples used in research are kept at a pH of about 7.4. Common biological buffers used for tissue culture include Dulbeccos phosphate buffered saline (PBS), Tris base, HEPES, MOPS, PIPES, and other formulations developed for specific cell lines or applications. Most buffers used in cell culture are also DNase-, RNase-, and protease-free.
The choice of buffer for a particular biological reaction or site depends on several factors:
- Temperature
- Desired or target pH
- Buffer toxicity (to the system)
- Buffer interactions with other system components
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Filtered Search Results

MES, 1.0 M Buffer Solution, pH 6.5, PROMO, Thermo Scientific Chemicals
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 g/mol MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
PubChem CID | 16218417 |
---|---|
CAS | 145224-94-8 |
Molecular Weight (g/mol) | 213.25 g/mol |
MDL Number | MFCD00283848 |
SMILES | C1COCCN1CCS(=O)(=O)O.O |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid;hydrate |
InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
Molecular Formula | C6H15NO5S |
MES, 1.0 M Buffer Solution, pH 5.0, PROMO, Thermo Scientific Chemicals
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 g/mol MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
PubChem CID | 16218417 |
---|---|
CAS | 145224-94-8 |
Molecular Weight (g/mol) | 213.25 g/mol |
MDL Number | MFCD00283848 |
SMILES | C1COCCN1CCS(=O)(=O)O.O |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid;hydrate |
InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
Molecular Formula | C6H15NO5S |
CAPS, 0.5 M Buffer Solution, pH 10.5, PROMO, Thermo Scientific Chemicals
CAS: 1135-40-6 Molecular Formula: C9H19NO3S Molecular Weight (g/mol): 221.32 g/mol MDL Number: MFCD00003837 InChI Key: PJWWRFATQTVXHA-UHFFFAOYSA-N IUPAC Name: 3-(cyclohexylamino)propane-1-sulfonic acid SMILES: OS(=O)(=O)CCCNC1CCCCC1
CAS | 1135-40-6 |
---|---|
Molecular Weight (g/mol) | 221.32 g/mol |
MDL Number | MFCD00003837 |
SMILES | OS(=O)(=O)CCCNC1CCCCC1 |
IUPAC Name | 3-(cyclohexylamino)propane-1-sulfonic acid |
InChI Key | PJWWRFATQTVXHA-UHFFFAOYSA-N |
Molecular Formula | C9H19NO3S |
TE Buffer, pH 8.0, RNAse Free, PROMO, Thermo Scientific Chemicals
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.59 g/mol MDL Number: MFCD00236359 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N PubChem CID: 93573 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl
PubChem CID | 93573 |
---|---|
CAS | 1185-53-1 |
Molecular Weight (g/mol) | 157.59 g/mol |
MDL Number | MFCD00236359 |
SMILES | C(C(CO)(CO)N)O.Cl |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
Molecular Formula | C4H12ClNO3 |
Tris Hydrochloride, MP Biomedicals™
Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: Trometamol, Tromethamine, Tris-[hydroxymethyl]aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol PubChem CID: 93573 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride SMILES: C(C(CO)(CO)N)O.Cl
PubChem CID | 93573 |
---|---|
Molecular Weight (g/mol) | 157.594 |
SMILES | C(C(CO)(CO)N)O.Cl |
Synonym | Trometamol, Tromethamine, Tris-[hydroxymethyl]aminomethane, 2-Amino-2-(hydroxymethyl)-1,3-propanediol |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
Molecular Formula | C4H12ClNO3 |
MP Biomedicals™ MES SDS Running Buffer for Bis-Tris Gels, Powder
Powder MES buffer salts to make PAGE buffer.
Thermo Scientific Chemicals MES, 99+%, <1% water
CAS: 4432-31-9 Molecular Formula: C6H13NO4S Molecular Weight (g/mol): 195.233 MDL Number: MFCD00006181 InChI Key: SXGZJKUKBWWHRA-UHFFFAOYSA-N Synonym: 2-(N-Morpholino)ethanesulfonic acid PubChem CID: 78165 ChEBI: CHEBI:39005 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid SMILES: C1COCCN1CCS(=O)(=O)O
PubChem CID | 78165 |
---|---|
CAS | 4432-31-9 |
Molecular Weight (g/mol) | 195.233 |
ChEBI | CHEBI:39005 |
MDL Number | MFCD00006181 |
SMILES | C1COCCN1CCS(=O)(=O)O |
Synonym | 2-(N-Morpholino)ethanesulfonic acid |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid |
InChI Key | SXGZJKUKBWWHRA-UHFFFAOYSA-N |
Molecular Formula | C6H13NO4S |
Thermo Scientific Chemicals ACES, 99+%, for biochemistry
CAS: 7365-82-4 Molecular Formula: C4H10N2O4S Molecular Weight (g/mol): 182.194 MDL Number: MFCD00008030 InChI Key: DBXNUXBLKRLWFA-UHFFFAOYSA-N Synonym: N-(2-Acetamido)-2-aminoethanesulfonic acid,N-(Carbamoylmethyl)taurine PubChem CID: 81832 ChEBI: CHEBI:39062 IUPAC Name: 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid SMILES: C(CS(=O)(=O)O)NCC(=O)N
PubChem CID | 81832 |
---|---|
CAS | 7365-82-4 |
Molecular Weight (g/mol) | 182.194 |
ChEBI | CHEBI:39062 |
MDL Number | MFCD00008030 |
SMILES | C(CS(=O)(=O)O)NCC(=O)N |
Synonym | N-(2-Acetamido)-2-aminoethanesulfonic acid,N-(Carbamoylmethyl)taurine |
IUPAC Name | 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid |
InChI Key | DBXNUXBLKRLWFA-UHFFFAOYSA-N |
Molecular Formula | C4H10N2O4S |
MES, 0.5M buffer soln., pH 9.0, Thermo Scientific™
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00006181 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
PubChem CID | 16218417 |
---|---|
CAS | 145224-94-8 |
Molecular Weight (g/mol) | 213.248 |
MDL Number | MFCD00006181 |
SMILES | C1COCCN1CCS(=O)(=O)O.O |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid;hydrate |
InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals TAPS, 0.2M buffer soln., pH 8.0
CAS: 91000-53-2 Molecular Weight (g/mol): 265.256
CAS | 91000-53-2 |
---|---|
Molecular Weight (g/mol) | 265.256 |
ACES, 0.5M buffer soln., pH 6.5, Thermo Scientific™
CAS: 7365-82-4 Molecular Formula: C4H10N2O4S Molecular Weight (g/mol): 182.194 MDL Number: MFCD00008030 InChI Key: DBXNUXBLKRLWFA-UHFFFAOYSA-N PubChem CID: 81832 ChEBI: CHEBI:39062 IUPAC Name: 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid SMILES: C(CS(=O)(=O)O)NCC(=O)N
PubChem CID | 81832 |
---|---|
CAS | 7365-82-4 |
Molecular Weight (g/mol) | 182.194 |
ChEBI | CHEBI:39062 |
MDL Number | MFCD00008030 |
SMILES | C(CS(=O)(=O)O)NCC(=O)N |
IUPAC Name | 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid |
InChI Key | DBXNUXBLKRLWFA-UHFFFAOYSA-N |
Molecular Formula | C4H10N2O4S |
MDL Number | MFCD00282866 |
---|---|
Physical Form | Liquid |
Chemical Name or Material | CHAPS lysis buffer |
TSCA | No |
Recommended Storage | Ambient temperatures |
BES, 0.5M buffer soln., pH 6.0, Thermo Scientific™
CAS: 66992-27-6 Molecular Formula: C6H14NNaO5S Molecular Weight (g/mol): 235.23 MDL Number: MFCD00067425 InChI Key: CFQLQLSIZOWFNV-UHFFFAOYSA-M PubChem CID: 23671640 IUPAC Name: sodium;2-[bis(2-hydroxyethyl)amino]ethanesulfonate SMILES: C(CO)N(CCO)CCS(=O)(=O)[O-].[Na+]
PubChem CID | 23671640 |
---|---|
CAS | 66992-27-6 |
Molecular Weight (g/mol) | 235.23 |
MDL Number | MFCD00067425 |
SMILES | C(CO)N(CCO)CCS(=O)(=O)[O-].[Na+] |
IUPAC Name | sodium;2-[bis(2-hydroxyethyl)amino]ethanesulfonate |
InChI Key | CFQLQLSIZOWFNV-UHFFFAOYSA-M |
Molecular Formula | C6H14NNaO5S |
Physical Form | Liquid |
---|---|
pH | 6.5 |
Chemical Name or Material | MNE buffer |
TSCA | Yes |
Recommended Storage | Ambient temperatures |