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)
- (115)
- (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)
- (155)
- (8)
- (6)
- (10)
- (1)
- (1)
- (4)
- (1)
- (1)
- (1)
- (1)
- (1)
- (2)
- (2)
- (17)
- (143)
- (6)
- (3)
- (1)
- (3)
- (3)
- (7)
- (5)
- (3)
- (8)
- (2)
- (605)
- (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)
- (3)
- (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)
- (1)
- (2)
- (2)
- (11)
- (8)
- (2)
- (1)
- (2)
- (3)
- (1)
- (3)
- (2)
- (1)
- (32)
- (1)
- (5)
- (8)
- (2)
- (14)
- (5)
- (1)
- (3)
- (5)
- (1)
- (22)
- (1)
- (66)
- (11)
- (1)
- (43)
- (1)
- (11)
- (2)
- (1)
- (2)
- (1)
- (11)
- (1)
- (38)
- (2)
- (1)
- (1)
- (7)
- (1)
- (1)
- (11)
- (1)
- (2)
- (1)
- (1)
- (21)
- (5)
- (3)
- (1)
- (17)
- (3)
- (1)
- (4)
- (4)
- (1)
- (6)
- (1)
- (4)
- (77)
- (93)
- (3)
- (6)
- (24)
- (27)
- (1)
- (72)
- (1)
- (23)
- (1)
- (1)
- (56)
- (42)
- (5)
- (2)
- (29)
- (1)
- (1)
- (10)
- (5)
- (5)
- (4)
- (2)
- (1)
- (7)
- (12)
- (2)
- (7)
Filtered Search Results
MilliporeSigma™ MOPS, Sodium, ULTROL™ Grade, Calbiochem™,
CAS: 71119-22-7 Molecular Formula: C7H14NNaO4S Molecular Weight (g/mol): 231.242 InChI Key: MWEMXEWFLIDTSJ-UHFFFAOYSA-M Synonym: 3-(N-Morpholino)propanesulfonic Acid, Na PubChem CID: 3859613 IUPAC Name: sodium;3-morpholin-4-ylpropane-1-sulfonate SMILES: C1COCCN1CCCS(=O)(=O)[O-].[Na+]
| PubChem CID | 3859613 |
|---|---|
| CAS | 71119-22-7 |
| Molecular Weight (g/mol) | 231.242 |
| SMILES | C1COCCN1CCCS(=O)(=O)[O-].[Na+] |
| Synonym | 3-(N-Morpholino)propanesulfonic Acid, Na |
| IUPAC Name | sodium;3-morpholin-4-ylpropane-1-sulfonate |
| InChI Key | MWEMXEWFLIDTSJ-UHFFFAOYSA-M |
| Molecular Formula | C7H14NNaO4S |
| Physical Form | Liquid |
|---|---|
| Recommended Storage | Ambient temperatures |
| Concentration | 10X |
Thermo Scientific Chemicals EPPS, 0.2M buffer soln., pH 8.0
CAS: 16052-06-5 Molecular Formula: C9H20N2O4S Molecular Weight (g/mol): 252.329 MDL Number: MFCD00006160 InChI Key: OWXMKDGYPWMGEB-UHFFFAOYSA-N Synonym: HEPPS PubChem CID: 85255 ChEBI: CHEBI:42298 IUPAC Name: 3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid SMILES: C1CN(CCN1CCCS(=O)(=O)O)CCO
| PubChem CID | 85255 |
|---|---|
| CAS | 16052-06-5 |
| Molecular Weight (g/mol) | 252.329 |
| ChEBI | CHEBI:42298 |
| MDL Number | MFCD00006160 |
| SMILES | C1CN(CCN1CCCS(=O)(=O)O)CCO |
| Synonym | HEPPS |
| IUPAC Name | 3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid |
| InChI Key | OWXMKDGYPWMGEB-UHFFFAOYSA-N |
| Molecular Formula | C9H20N2O4S |
| MDL Number | MFCD00236358 |
|---|---|
| Synonym | TBE buffer |
| Name Note | low endotoxin |
|---|---|
| MDL Number | MFCD00132476 |
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | TRIS-buffered saline (10X, pH 7.4) |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
Glycylglycine, 0.2M buffer soln., pH 8.0, 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 |
PIPES, disodium salt, 99%
CAS: 76836-02-7 Molecular Formula: C8H16N2Na2O6S2 Molecular Weight (g/mol): 346.324 InChI Key: GMHSTJRPSVFLMT-UHFFFAOYSA-L Synonym: 1, 4-Piperazinediethanesulfonic acid disodium salt PubChem CID: 173553 ChEBI: CHEBI:63055 IUPAC Name: disodium;2-[4-(2-sulfonatoethyl)piperazin-1-yl]ethanesulfonate SMILES: C1CN(CCN1CCS(=O)(=O)[O-])CCS(=O)(=O)[O-].[Na+].[Na+]
| PubChem CID | 173553 |
|---|---|
| CAS | 76836-02-7 |
| Molecular Weight (g/mol) | 346.324 |
| ChEBI | CHEBI:63055 |
| SMILES | C1CN(CCN1CCS(=O)(=O)[O-])CCS(=O)(=O)[O-].[Na+].[Na+] |
| Synonym | 1, 4-Piperazinediethanesulfonic acid disodium salt |
| IUPAC Name | disodium;2-[4-(2-sulfonatoethyl)piperazin-1-yl]ethanesulfonate |
| InChI Key | GMHSTJRPSVFLMT-UHFFFAOYSA-L |
| Molecular Formula | C8H16N2Na2O6S2 |
MilliporeSigma™ TRIS Hydrochloride, OmniPur™, Calbiochem™,
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: Trizma, Tris(hydroxymethyl)aminomethane 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 | Trizma, Tris(hydroxymethyl)aminomethane |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
Tris(hydroxymethyl)aminomethane, Crystal, ACS, 99.8-100.1%, Spectrum™ Chemical
Small and Specialty Supplier Partner
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
Small and/or specialty supplier based on Federal laws and SBA requirements.
Learn More
CAS: 77-86-1 Molecular Weight (g/mol): 121.14 g/mol
| CAS | 77-86-1 |
|---|---|
| Molecular Weight (g/mol) | 121.14 g/mol |
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 |
Tris Hydrochloride, >99%, Reagent grade, MP Biomedicals™
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 MDL Number: MFCD00012590 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: Trometamol,Tromethamine 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 |
| MDL Number | MFCD00012590 |
| SMILES | C(C(CO)(CO)N)O.Cl |
| Synonym | Trometamol,Tromethamine |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 8.5, 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 Krebs-Ringer Solution, HEPES-buffered
Standard physiological buffer that is suitable for various calcium imaging experiments. It is also used as a preserving agent.
| Solubility Information | Not miscible or difficult to mix in water. |
|---|---|
| Packaging | Plastic bottle |
| Physical Form | Liquid |
| Chemical Name or Material | Krebs-Ringer Solution |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
HEPES Free Acid, >99%, Molecular Biology Reagent, MP Biomedicals™
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N Synonym: N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic acid,N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid) 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 |
| Synonym | N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic acid,N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid) |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |