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
- (1)
- (1)
- (3)
- (1)
- (107)
- (1)
- (2)
- (1)
- (2)
- (2)
- (69)
- (2)
- (1)
- (1)
- (1)
- (1)
- (10)
- (3)
- (2)
- (10)
- (6)
- (2)
- (4)
- (2)
- (10)
- (1)
- (5)
- (5)
- (110)
- (107)
- (1)
- (1)
- (1)
- (1)
- (1)
- (11)
- (2)
- (7)
- (1)
- (1)
- (1)
- (2)
- (6)
- (8)
- (23)
- (1)
- (12)
- (20)
- (1)
- (4)
- (1)
- (12)
- (1)
- (3)
- (1)
- (53)
- (6)
- (5)
- (34)
- (129)
- (2)
- (1)
- (26)
- (2)
- (1)
- (6)
- (1)
- (1)
- (3)
- (19)
- (2)
- (1)
- (26)
- (1)
- (1)
- (6)
- (7)
- (3)
- (8)
- (1)
- (86)
- (148)
- (8)
- (6)
- (10)
- (1)
- (1)
- (4)
- (1)
- (1)
- (1)
- (1)
- (1)
- (2)
- (2)
- (17)
- (143)
- (6)
- (3)
- (1)
- (3)
- (3)
- (7)
- (5)
- (3)
- (8)
- (1)
- (595)
- (5)
- (4)
- (4)
- (114)
- (23)
- (12)
- (48)
- (5)
- (4)
- (2)
- (5)
- (125)
- (2)
- (13)
- (10)
- (3)
- (14)
- (49)
- (1)
- (2)
- (31)
- (13)
- (26)
- (2)
- (4)
- (9)
- (9)
- (23)
- (45)
- (5)
- (55)
- (5)
- (13)
- (1)
- (3)
- (2)
- (3)
- (1)
- (9)
- (1)
- (94)
- (1)
- (3)
- (4)
- (4)
- (3)
- (3)
- (3)
- (10)
- (3)
- (31)
- (4)
- (3)
- (9)
- (3)
- (45)
- (1)
- (3)
- (1)
- (4)
- (1)
- (1)
- (2)
- (1)
- (1)
- (3)
- (5)
- (1)
- (4)
- (3)
- (5)
- (1)
- (10)
- (10)
- (6)
- (4)
- (2)
- (5)
- (3)
- (2)
- (5)
- (10)
- (1)
- (10)
- (1)
- (2)
- (3)
- (2)
- (2)
- (2)
- (5)
- (7)
- (1)
- (2)
- (10)
- (4)
- (2)
- (1)
- (1)
- (4)
- (3)
- (3)
- (1)
- (2)
- (1)
- (3)
- (3)
- (2)
- (13)
- (4)
- (1)
- (4)
- (3)
- (2)
- (2)
- (2)
- (1)
- (4)
- (2)
- (4)
- (3)
- (10)
- (1)
- (1)
- (1)
- (1)
- (14)
- (1)
- (38)
- (2)
- (1)
- (2)
- (9)
- (2)
- (3)
- (8)
- (2)
- (1)
- (2)
- (3)
- (1)
- (1)
- (1)
- (32)
- (1)
- (5)
- (8)
- (2)
- (14)
- (5)
- (1)
- (3)
- (5)
- (1)
- (22)
- (1)
- (62)
- (11)
- (1)
- (43)
- (1)
- (11)
- (2)
- (1)
- (2)
- (1)
- (9)
- (1)
- (38)
- (1)
- (1)
- (7)
- (1)
- (1)
- (5)
- (1)
- (2)
- (1)
- (1)
- (21)
- (5)
- (3)
- (1)
- (17)
- (3)
- (1)
- (4)
- (4)
- (1)
- (6)
- (1)
- (4)
- (77)
- (93)
- (3)
- (6)
- (21)
- (53)
- (1)
- (72)
- (1)
- (27)
- (1)
- (1)
- (51)
- (15)
- (5)
- (2)
- (29)
- (1)
- (1)
- (10)
- (5)
- (5)
- (4)
- (2)
- (1)
- (7)
- (12)
- (2)
- (7)
Filtered Search Results
Thermo Scientific Chemicals Tris(hydroxymethyl)aminomethane, Electrophoresis Grade, 99.5%
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: TRIS 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 |
| Synonym | TRIS |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
Glycylglycine, 0.2M buffer soln., pH 8.5, Thermo Scientific™
CAS: 556-50-3 Molecular Formula: C4H8N2O3 Molecular Weight (g/mol): 132.119 MDL Number: MFCD00008130 InChI Key: YMAWOPBAYDPSLA-UHFFFAOYSA-N PubChem CID: 11163 ChEBI: CHEBI:17201 IUPAC Name: 2-[(2-aminoacetyl)amino]acetic acid SMILES: C(C(=O)NCC(=O)O)N
| PubChem CID | 11163 |
|---|---|
| CAS | 556-50-3 |
| Molecular Weight (g/mol) | 132.119 |
| ChEBI | CHEBI:17201 |
| MDL Number | MFCD00008130 |
| SMILES | C(C(=O)NCC(=O)O)N |
| IUPAC Name | 2-[(2-aminoacetyl)amino]acetic acid |
| InChI Key | YMAWOPBAYDPSLA-UHFFFAOYSA-N |
| Molecular Formula | C4H8N2O3 |
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 |
Thermo Scientific Chemicals Glycine, 0.2M buffer soln., pH 3.0
CAS: 56-40-6 Molecular Formula: C2H5NO2 Molecular Weight (g/mol): 75.07 MDL Number: MFCD00008131 InChI Key: DHMQDGOQFOQNFH-UHFFFAOYSA-N IUPAC Name: 2-aminoacetic acid SMILES: NCC(O)=O
| CAS | 56-40-6 |
|---|---|
| Molecular Weight (g/mol) | 75.07 |
| MDL Number | MFCD00008131 |
| SMILES | NCC(O)=O |
| IUPAC Name | 2-aminoacetic acid |
| InChI Key | DHMQDGOQFOQNFH-UHFFFAOYSA-N |
| Molecular Formula | C2H5NO2 |
Thermo Scientific Chemicals Phosphate-buffered saline (PBS, 10X), pH 7.6
Helps to maintain a constant pH
| Physical Form | Liquid |
|---|---|
| pH | 7.6 |
| Chemical Name or Material | Phosphate Buffered Saline (PBS) |
| Recommended Storage | Ambient temperatures |
| Concentration | 10 X |
MES, 1.0M buffer soln., pH 9.0, Thermo Scientific™
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 MDL Number: MFCD00149409 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-(morpholin-4-yl)ethane-1-sulfonic acid hydrate SMILES: O.OS(=O)(=O)CCN1CCOCC1
| PubChem CID | 16218417 |
|---|---|
| CAS | 145224-94-8 |
| Molecular Weight (g/mol) | 213.25 |
| MDL Number | MFCD00149409 |
| SMILES | O.OS(=O)(=O)CCN1CCOCC1 |
| IUPAC Name | 2-(morpholin-4-yl)ethane-1-sulfonic acid hydrate |
| InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
| Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals HEPES, 0.5M buffer soln., pH 7.0
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 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 |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
Thermo Scientific Chemicals HEPES, 1.0M buffer soln., pH 6.5, Sterile-Filtered
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 |
Thermo Scientific Chemicals BICINE, 0.5M buffer soln., pH 8.5
CAS: 150-25-4 Molecular Formula: C6H12NNaO4 Molecular Weight (g/mol): 185.16 MDL Number: MFCD00004295 InChI Key: MFBDBXAVPLFMNJ-UHFFFAOYSA-M PubChem CID: 8761 ChEBI: CHEBI:40957 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]acetic acid 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 |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]acetic acid |
| InChI Key | MFBDBXAVPLFMNJ-UHFFFAOYSA-M |
| Molecular Formula | C6H12NNaO4 |
MOPSO, 0.2M buffer soln., pH 7.0, Thermo Scientific™
CAS: 79803-73-9 Molecular Formula: C7H14NNaO5S Molecular Weight (g/mol): 247.241 MDL Number: MFCD00070007 InChI Key: WSFQLUVWDKCYSW-UHFFFAOYSA-M PubChem CID: 23675131 IUPAC Name: sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate SMILES: C1COCCN1CC(CS(=O)(=O)[O-])O.[Na+]
| PubChem CID | 23675131 |
|---|---|
| CAS | 79803-73-9 |
| Molecular Weight (g/mol) | 247.241 |
| MDL Number | MFCD00070007 |
| SMILES | C1COCCN1CC(CS(=O)(=O)[O-])O.[Na+] |
| IUPAC Name | sodium;2-hydroxy-3-morpholin-4-ylpropane-1-sulfonate |
| InChI Key | WSFQLUVWDKCYSW-UHFFFAOYSA-M |
| Molecular Formula | C7H14NNaO5S |
Thermo Scientific Chemicals Potassium phosphate, 0.2M buffer soln., pH 7.5
CAS: 7778-77-0 Molecular Formula: H2KO4P Molecular Weight (g/mol): 136.08 MDL Number: MFCD00011401 MFCD00147253 InChI Key: GNSKLFRGEWLPPA-UHFFFAOYSA-M IUPAC Name: potassium dihydrogen phosphate SMILES: [K+].OP(O)([O-])=O
| CAS | 7778-77-0 |
|---|---|
| Molecular Weight (g/mol) | 136.08 |
| MDL Number | MFCD00011401 MFCD00147253 |
| SMILES | [K+].OP(O)([O-])=O |
| IUPAC Name | potassium dihydrogen phosphate |
| InChI Key | GNSKLFRGEWLPPA-UHFFFAOYSA-M |
| Molecular Formula | H2KO4P |
ADA, 0.2M buffer soln., pH 7.5, Thermo Scientific™
CAS: 7415-22-7 Molecular Formula: C6H9N2NaO5 Molecular Weight (g/mol): 212.137 MDL Number: MFCD00065483 InChI Key: QCGKKVWCABJQQI-UHFFFAOYSA-M PubChem CID: 23679048 IUPAC Name: sodium;2-[(2-amino-2-oxoethyl)-(carboxymethyl)amino]acetate SMILES: C(C(=O)N)N(CC(=O)O)CC(=O)[O-].[Na+]
| PubChem CID | 23679048 |
|---|---|
| CAS | 7415-22-7 |
| Molecular Weight (g/mol) | 212.137 |
| MDL Number | MFCD00065483 |
| SMILES | C(C(=O)N)N(CC(=O)O)CC(=O)[O-].[Na+] |
| IUPAC Name | sodium;2-[(2-amino-2-oxoethyl)-(carboxymethyl)amino]acetate |
| InChI Key | QCGKKVWCABJQQI-UHFFFAOYSA-M |
| Molecular Formula | C6H9N2NaO5 |
TRIS, 0.5M buffer soln., pH 8.6, Thermo Scientific™
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 |
Tris, Cell Culture Reagent, ≥99.95%, MP Biomedicals™
Tris, Cell Culture Reagent, ≥99.95% is a biological buffer for various applications.