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
HEPES Sodium Salt, Biological Buffer, High Purity, 98%, 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: 75277-39-3 Molecular Formula: C8H17N2NaO4S Molecular Weight (g/mol): 260.28 InChI Key: RDZTWEVXRGYCFV-UHFFFAOYSA-M IUPAC Name: sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate SMILES: [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1
| CAS | 75277-39-3 |
|---|---|
| Molecular Weight (g/mol) | 260.28 |
| SMILES | [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1 |
| IUPAC Name | sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate |
| InChI Key | RDZTWEVXRGYCFV-UHFFFAOYSA-M |
| Molecular Formula | C8H17N2NaO4S |
| Name Note | low endotoxin |
|---|---|
| Storage Note 1 | 2° to 8°C |
| Color | Colorless |
| Physical Form | Liquid |
| Chemical Name or Material | BES-buffered saline (2X) |
| TSCA | No |
| Recommended Storage | Keep cold |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., 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 |
Tris, Cell Culture Reagent, ≥99.95%, MP Biomedicals™
Tris, Cell Culture Reagent, ≥99.95% is a biological buffer for various applications.
HEPES, 0.5M buffer soln., pH 6.5, Thermo Scientific™
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 |
MP Biomedicals™ 1X Hanks' Balanced Salt Solution (Modified) without Magnesium and Calcium
Minimize cell attachment or aggregation.
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 |
| Color | Colorless |
|---|---|
| Physical Form | Liquid |
| Chemical Name or Material | Phosphate Buffered Saline (PBS) |
| Recommended Storage | Ambient temperatures |
| For Use With (Application) | Contains 100mM sodium phosphate dibasic, 20mM potassium phosphate monobasic, 27mM KCl, 1.37M NaCl, pH 7.4 ± 0.2. |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 8.8
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 |
Tris, 99.0 to 101.0% (Dry Basis)
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Tris(hydroxymethyl)amino methane 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(hydroxymethyl)amino methane |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
Bis-Tris, ≥98% (Dry Basis), Ultrapure
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 MDL Number: MFCD00002853 InChI Key: OWMVSZAMULFTJU-UHFFFAOYSA-N Synonym: bis[2 to Hydroxyethyl]imino to tris[hydroxymethyl]methane 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 |
| Synonym | bis[2 to Hydroxyethyl]imino to tris[hydroxymethyl]methane |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | OWMVSZAMULFTJU-UHFFFAOYSA-N |
| Molecular Formula | C8H19NO5 |
MilliporeSigma™ Calbiochem™ OmniPur™ 100X TE Buffer Solution Liquid Concentrate
For use in molecular biology applications
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 MES, 0.2M buffer soln., pH 6.0, low endotoxin
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 |