
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

Thermo Scientific Chemicals PIPES, 1.0M buffer soln., pH 7.5
CAS: 5625-37-6 Molecular Formula: C8H18N2O6S2 Molecular Weight (g/mol): 302.36 MDL Number: MFCD00006159 InChI Key: IHPYMWDTONKSCO-UHFFFAOYSA-N PubChem CID: 79723 ChEBI: CHEBI:44933 IUPAC Name: 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid SMILES: C1CN(CCN1CCS(=O)(=O)O)CCS(=O)(=O)O
PubChem CID | 79723 |
---|---|
CAS | 5625-37-6 |
Molecular Weight (g/mol) | 302.36 |
ChEBI | CHEBI:44933 |
MDL Number | MFCD00006159 |
SMILES | C1CN(CCN1CCS(=O)(=O)O)CCS(=O)(=O)O |
IUPAC Name | 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid |
InChI Key | IHPYMWDTONKSCO-UHFFFAOYSA-N |
Molecular Formula | C8H18N2O6S2 |
Physical Form | Liquid |
---|---|
Chemical Name or Material | GTE buffer |
TSCA | Yes |
Recommended Storage | Keep cold |
Thermo Scientific Chemicals TRIS-buffered saline (TBS, 10X, high salt) pH 7.4
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
PubChem CID | 6503 |
---|---|
CAS | 77-86-1 |
Molecular Weight (g/mol) | 121.136 |
ChEBI | CHEBI:9754 |
MDL Number | MFCD00004679 |
SMILES | C(C(CO)(CO)N)O |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
Molecular Formula | C4H11NO3 |
TES sodium salt, Thermo Scientific Chemicals
CAS: 70331-82-7 Molecular Formula: C6H14NNaO6S Molecular Weight (g/mol): 251.23 MDL Number: MFCD00065482 InChI Key: GUXMFAHOYNRHBI-UHFFFAOYSA-M Synonym: 2-([Tris(hydroxymethyl)methyl]amino)ethane-1-sulfonic acid sodium salt PubChem CID: 23702152 IUPAC Name: sodium 2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}ethane-1-sulfonate SMILES: [Na+].OCC(CO)(CO)NCCS([O-])(=O)=O
PubChem CID | 23702152 |
---|---|
CAS | 70331-82-7 |
Molecular Weight (g/mol) | 251.23 |
MDL Number | MFCD00065482 |
SMILES | [Na+].OCC(CO)(CO)NCCS([O-])(=O)=O |
Synonym | 2-([Tris(hydroxymethyl)methyl]amino)ethane-1-sulfonic acid sodium salt |
IUPAC Name | sodium 2-{[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino}ethane-1-sulfonate |
InChI Key | GUXMFAHOYNRHBI-UHFFFAOYSA-M |
Molecular Formula | C6H14NNaO6S |
Packaging | Plastic bottle |
---|---|
Physical Form | Liquid |
Chemical Name or Material | TRIS-glycine-native running buffer (10X) |
TSCA | Yes |
Recommended Storage | Ambient temperatures |
Thermo Scientific Chemicals CHES, 0.5M buffer soln, pH 9.0
CAS: 103-47-9 Molecular Formula: C8H17NO3S Molecular Weight (g/mol): 207.288 MDL Number: MFCD00003835 InChI Key: MKWKNSIESPFAQN-UHFFFAOYSA-N PubChem CID: 66898 IUPAC Name: 2-(cyclohexylamino)ethanesulfonic acid SMILES: C1CCC(CC1)NCCS(=O)(=O)O
PubChem CID | 66898 |
---|---|
CAS | 103-47-9 |
Molecular Weight (g/mol) | 207.288 |
MDL Number | MFCD00003835 |
SMILES | C1CCC(CC1)NCCS(=O)(=O)O |
IUPAC Name | 2-(cyclohexylamino)ethanesulfonic acid |
InChI Key | MKWKNSIESPFAQN-UHFFFAOYSA-N |
Molecular Formula | C8H17NO3S |
Thermo Scientific Chemicals TRIS, 0.5M buffer soln., pH 6.8
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
PubChem CID | 6503 |
---|---|
CAS | 77-86-1 |
Molecular Weight (g/mol) | 121.136 |
ChEBI | CHEBI:9754 |
MDL Number | MFCD00004679 |
SMILES | C(C(CO)(CO)N)O |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
Molecular Formula | C4H11NO3 |
HEPPSO, 0.2M buffer soln., pH 7.0, Thermo Scientific™
CAS: 68399-78-0 Molecular Formula: C9H20N2O5S Molecular Weight (g/mol): 268.328 MDL Number: MFCD00038351 InChI Key: GIZQLVPDAOBAFN-UHFFFAOYSA-N PubChem CID: 100205 ChEBI: CHEBI:32951 IUPAC Name: 2-hydroxy-3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid SMILES: C1CN(CCN1CCO)CC(CS(=O)(=O)O)O
PubChem CID | 100205 |
---|---|
CAS | 68399-78-0 |
Molecular Weight (g/mol) | 268.328 |
ChEBI | CHEBI:32951 |
MDL Number | MFCD00038351 |
SMILES | C1CN(CCN1CCO)CC(CS(=O)(=O)O)O |
IUPAC Name | 2-hydroxy-3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid |
InChI Key | GIZQLVPDAOBAFN-UHFFFAOYSA-N |
Molecular Formula | C9H20N2O5S |
MilliporeSigma™ Tris, Hydrochloride, ULTROL™ Grade, Calbiochem™,
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: tris(Hydroxymethyl)aminomethane, HCl 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) | 157.594 |
SMILES | C(C(CO)(CO)N)O.Cl |
Synonym | tris(Hydroxymethyl)aminomethane, HCl |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
Molecular Formula | C4H12ClNO3 |
Lab Vision™ Tris-Buffered Saline (25X), Epredia™
Take advantage of a wash buffer for immunolabeling techniques with the Epredia™ Lab Vision™ Tris-Buffered Saline (25X),
Thermo Scientific Chemicals MOPS, 1.0M buffer soln., pH 8.0
CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 MDL Number: MFCD00006183 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: [O-]S(=O)(=O)CCC[NH+]1CCOCC1
PubChem CID | 70807 |
---|---|
CAS | 1132-61-2 |
Molecular Weight (g/mol) | 209.26 |
ChEBI | CHEBI:44115 |
MDL Number | MFCD00006183 |
SMILES | [O-]S(=O)(=O)CCC[NH+]1CCOCC1 |
IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
InChI Key | DVLFYONBTKHTER-UHFFFAOYSA-N |
Molecular Formula | C7H15NO4S |
Thermo Scientific Chemicals BIS-TRIS propane, 0.2M buffer soln., pH 8.5
CAS: 64431-96-5 Molecular Formula: C11H26N2O6 Molecular Weight (g/mol): 282.337 MDL Number: MFCD00004689 InChI Key: HHKZCCWKTZRCCL-UHFFFAOYSA-N PubChem CID: 125132 ChEBI: CHEBI:40947 IUPAC Name: 2-[3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propylamino]-2-(hydroxymethyl)propane-1,3-diol SMILES: C(CNC(CO)(CO)CO)CNC(CO)(CO)CO
PubChem CID | 125132 |
---|---|
CAS | 64431-96-5 |
Molecular Weight (g/mol) | 282.337 |
ChEBI | CHEBI:40947 |
MDL Number | MFCD00004689 |
SMILES | C(CNC(CO)(CO)CO)CNC(CO)(CO)CO |
IUPAC Name | 2-[3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propylamino]-2-(hydroxymethyl)propane-1,3-diol |
InChI Key | HHKZCCWKTZRCCL-UHFFFAOYSA-N |
Molecular Formula | C11H26N2O6 |
CAS | 288-32-4 |
---|---|
Molecular Weight (g/mol) | 68.08 |
MDL Number | MFCD00005183 |
Physical Form | Liquid |
pH | 6.5 |
SMILES | N1C=CN=C1 |
Recommended Storage | Keep cold |
Concentration | 0.5 M |
IUPAC Name | 1H-imidazole |
InChI Key | RAXXELZNTBOGNW-UHFFFAOYSA-N |
Molecular Formula | C3H4N2 |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 6.5, 0.2 micron filtered
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N PubChem CID: 6503 ChEBI: CHEBI:9754 IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol SMILES: C(C(CO)(CO)N)O
PubChem CID | 6503 |
---|---|
CAS | 77-86-1 |
Molecular Weight (g/mol) | 121.136 |
ChEBI | CHEBI:9754 |
MDL Number | MFCD00004679 |
SMILES | C(C(CO)(CO)N)O |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
Molecular Formula | C4H11NO3 |
Thermo Scientific Chemicals AMPSO, 0.2M buffer soln., pH 9.0
CAS: 102029-60-7 Molecular Formula: C7H16NNaO5S Molecular Weight (g/mol): 249.257 MDL Number: MFCD00067500 InChI Key: UVGYCHPTWHWEPZ-UHFFFAOYSA-M PubChem CID: 44119996 IUPAC Name: sodium;2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonate SMILES: CC(C)(CO)NCC(CS(=O)(=O)[O-])O.[Na+]
PubChem CID | 44119996 |
---|---|
CAS | 102029-60-7 |
Molecular Weight (g/mol) | 249.257 |
MDL Number | MFCD00067500 |
SMILES | CC(C)(CO)NCC(CS(=O)(=O)[O-])O.[Na+] |
IUPAC Name | sodium;2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonate |
InChI Key | UVGYCHPTWHWEPZ-UHFFFAOYSA-M |
Molecular Formula | C7H16NNaO5S |