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
Bicine, 99.38%, MP Biomedicals™
CAS: 150-25-4 Molecular Formula: C6H12NNaO4 Molecular Weight (g/mol): 185.16 MDL Number: MFCD00004295 InChI Key: MFBDBXAVPLFMNJ-UHFFFAOYSA-M Synonym: N, N-bis [2-hydroxyethyl]glycine PubChem CID: 8761 ChEBI: CHEBI:40957 SMILES: [Na+].OCCN(CCO)CC([O-])=O
| PubChem CID | 8761 |
|---|---|
| CAS | 150-25-4 |
| Molecular Weight (g/mol) | 185.16 |
| ChEBI | CHEBI:40957 |
| MDL Number | MFCD00004295 |
| SMILES | [Na+].OCCN(CCO)CC([O-])=O |
| Synonym | N, N-bis [2-hydroxyethyl]glycine |
| InChI Key | MFBDBXAVPLFMNJ-UHFFFAOYSA-M |
| Molecular Formula | C6H12NNaO4 |
| MDL Number | MFCD00236358 |
|---|---|
| Synonym | Tris-Borate-EDTA buffer |
Spectrum Chemical Manufacturing Corporation Tris(hydroxymethyl)aminomethane, USP, EP, BP, bioCERTIFIED™, 50 kg, Spectrum Chemical
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Thermo Scientific Chemicals MOPS, 1.0M buffer soln., pH 7.5
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 HEPES, 0.5M buffer soln., pH 8.0
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1
| PubChem CID | 23831 |
|---|---|
| CAS | 7365-45-9 |
| Molecular Weight (g/mol) | 238.30 |
| ChEBI | CHEBI:42334 |
| MDL Number | MFCD00006158 |
| SMILES | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| IUPAC Name | 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
| Color | Colorless |
|---|---|
| Physical Form | Liquid |
| Recommended Storage | Ambient temperatures |
| Name Note | non-reducing |
|---|---|
| Health Hazard 3 | GHS P Statement P280-P264-P305+P351+P338-P337+P313 Wear protective gloves/protective clothing/eye protection/face protection. Wash thoroughly after handling. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. |
| Health Hazard 2 | GHS H Statement H319 Causes serious eye irritation. |
| Color | Blue |
| Physical Form | Liquid |
| Health Hazard 1 | H335 |
| Chemical Name or Material | Tricine-SDS Sample Buffer |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
| Concentration | 2X |
TRIS-buffered saline (TBS, 10X), with 1% Triton™ X-100, Thermo Scientific Chemicals
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00132476 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 | MFCD00132476 |
| 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 |
MOPSO, 99.5%, MP Biomedicals™
CAS: 79803-73-9 Molecular Formula: C7H14NNaO5S Molecular Weight (g/mol): 247.241 InChI Key: WSFQLUVWDKCYSW-UHFFFAOYSA-M Synonym: sodium 2-hydroxy-3-morpholinopropane-1-sulfonate,mopso sodium salt,3-morpholino-2-hydroxypropanesulfonic acid sodium salt,3-n-morpholinyl-2-hydroxypropanesulfonic acid sodium salt,sodium 2-hydroxy-3-morpholin-4-yl propane-1-sulfonate,mopso sodium salt titration,mopso, 0.2m buffer solution, ph 6.0,mopso, 0.2m buffer solution, ph 6.5,mopso, 0.2m buffer solution, ph 7.0,mopso, 0.2m buffer solution, ph 7.5 IUPAC Name: sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate
| CAS | 79803-73-9 |
|---|---|
| Molecular Weight (g/mol) | 247.241 |
| Synonym | sodium 2-hydroxy-3-morpholinopropane-1-sulfonate,mopso sodium salt,3-morpholino-2-hydroxypropanesulfonic acid sodium salt,3-n-morpholinyl-2-hydroxypropanesulfonic acid sodium salt,sodium 2-hydroxy-3-morpholin-4-yl propane-1-sulfonate,mopso sodium salt titration,mopso, 0.2m buffer solution, ph 6.0,mopso, 0.2m buffer solution, ph 6.5,mopso, 0.2m buffer solution, ph 7.0,mopso, 0.2m buffer solution, ph 7.5 |
| IUPAC Name | sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate |
| InChI Key | WSFQLUVWDKCYSW-UHFFFAOYSA-M |
| Molecular Formula | C7H14NNaO5S |
Thermo Scientific Chemicals BIS-TRIS, 0.2M buffer soln., pH 7.0
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 MDL Number: MFCD00002853 InChI Key: OWMVSZAMULFTJU-UHFFFAOYSA-N PubChem CID: 81462 ChEBI: CHEBI:41250 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol SMILES: C(CO)N(CCO)C(CO)(CO)CO
| PubChem CID | 81462 |
|---|---|
| CAS | 6976-37-0 |
| Molecular Weight (g/mol) | 209.242 |
| ChEBI | CHEBI:41250 |
| MDL Number | MFCD00002853 |
| SMILES | C(CO)N(CCO)C(CO)(CO)CO |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | OWMVSZAMULFTJU-UHFFFAOYSA-N |
| Molecular Formula | C8H19NO5 |
Thermo Scientific Chemicals AMPSO, 98+%
CAS: 68399-79-1 Molecular Formula: C7H17NO5S Molecular Weight (g/mol): 227.28 MDL Number: MFCD00041777 InChI Key: ACERFIHBIWMFOR-UHFFFAOYNA-N Synonym: N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid PubChem CID: 100211 IUPAC Name: 2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonic acid SMILES: CC(C)(CO)NCC(O)CS(O)(=O)=O
| PubChem CID | 100211 |
|---|---|
| CAS | 68399-79-1 |
| Molecular Weight (g/mol) | 227.28 |
| MDL Number | MFCD00041777 |
| SMILES | CC(C)(CO)NCC(O)CS(O)(=O)=O |
| Synonym | N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonic acid |
| IUPAC Name | 2-hydroxy-3-[(1-hydroxy-2-methylpropan-2-yl)amino]propane-1-sulfonic acid |
| InChI Key | ACERFIHBIWMFOR-UHFFFAOYNA-N |
| Molecular Formula | C7H17NO5S |
Thermo Scientific Chemicals BES, 99+%, for biochemistry
CAS: 10191-18-1 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 MDL Number: MFCD00007533 InChI Key: AJTVSSFTXWNIRG-UHFFFAOYSA-N Synonym: N, N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid PubChem CID: 73243 ChEBI: CHEBI:39045 SMILES: OCCN(CCO)CCS(O)(=O)=O
| PubChem CID | 73243 |
|---|---|
| CAS | 10191-18-1 |
| Molecular Weight (g/mol) | 213.25 |
| ChEBI | CHEBI:39045 |
| MDL Number | MFCD00007533 |
| SMILES | OCCN(CCO)CCS(O)(=O)=O |
| Synonym | N, N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid |
| InChI Key | AJTVSSFTXWNIRG-UHFFFAOYSA-N |
| Molecular Formula | C6H15NO5S |
HEPES Buffer, 1M Solution, Cell Culture Grade, MP Biomedicals
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N PubChem CID: 23831 ChEBI: CHEBI:42334 IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonic acid SMILES: OCCN1CCN(CCS(O)(=O)=O)CC1
| PubChem CID | 23831 |
|---|---|
| CAS | 7365-45-9 |
| Molecular Weight (g/mol) | 238.30 |
| ChEBI | CHEBI:42334 |
| MDL Number | MFCD00006158 |
| SMILES | OCCN1CCN(CCS(O)(=O)=O)CC1 |
| IUPAC Name | 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonic acid |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
Tricine, 0.5M buffer soln., pH 6.5, Thermo Scientific™
CAS: 4-1-5704 Molecular Formula: C6H13NO5 Molecular Weight (g/mol): 179.17 MDL Number: MFCD00004277 InChI Key: SEQKRHFRPICQDD-UHFFFAOYSA-N PubChem CID: 79784 ChEBI: CHEBI:39063 IUPAC Name: 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]acetic acid SMILES: C(C(=O)O)NC(CO)(CO)CO
| PubChem CID | 79784 |
|---|---|
| CAS | 4-1-5704 |
| Molecular Weight (g/mol) | 179.17 |
| ChEBI | CHEBI:39063 |
| MDL Number | MFCD00004277 |
| SMILES | C(C(=O)O)NC(CO)(CO)CO |
| IUPAC Name | 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]acetic acid |
| InChI Key | SEQKRHFRPICQDD-UHFFFAOYSA-N |
| Molecular Formula | C6H13NO5 |