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 ACES Buffer (0.5 M, pH 7.0)
CAS: 7365-82-4 Molecular Formula: C4H10N2O4S Molecular Weight (g/mol): 182.194 MDL Number: MFCD00008030 InChI Key: DBXNUXBLKRLWFA-UHFFFAOYSA-N PubChem CID: 81832 ChEBI: CHEBI:39062 IUPAC Name: 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid SMILES: C(CS(=O)(=O)O)NCC(=O)N
| PubChem CID | 81832 |
|---|---|
| CAS | 7365-82-4 |
| Molecular Weight (g/mol) | 182.194 |
| ChEBI | CHEBI:39062 |
| MDL Number | MFCD00008030 |
| SMILES | C(CS(=O)(=O)O)NCC(=O)N |
| IUPAC Name | 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid |
| InChI Key | DBXNUXBLKRLWFA-UHFFFAOYSA-N |
| Molecular Formula | C4H10N2O4S |
Thermo Scientific Chemicals HEPES-buffered saline, pH 7.0 (2X for transfection)
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 MES, 1.0M buffer soln., pH 7.0
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 Tricine, 0.5M buffer soln., pH 8.0
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 |
Tricine, 98+%
CAS: 4-1-5704 Molecular Formula: C6H13NO5 Molecular Weight (g/mol): 179.17 MDL Number: MFCD00004277 InChI Key: SEQKRHFRPICQDD-UHFFFAOYSA-N Synonym: N-(Trishydroxymethylmethyl)glycine 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 |
| Synonym | N-(Trishydroxymethylmethyl)glycine |
| IUPAC Name | 2-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]acetic acid |
| InChI Key | SEQKRHFRPICQDD-UHFFFAOYSA-N |
| Molecular Formula | C6H13NO5 |
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 |
Thermo Scientific Chemicals PIPES, 1.0M buffer soln., pH 6.8
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 |
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 |
| Color | Colorless |
|---|---|
| Physical Form | Liquid |
| Recommended Storage | Ambient temperatures |
| MDL Number | MFCD00236357 |
|---|---|
| Synonym | Tris-Borate-EDTA Buffer |
Thermo Scientific Chemicals MOPS-SDS running buffer (20X)
MOPS-SDS running buffer (20X) is a buffer frequently used for separating medium- to large-sized proteins on a gel.
| Health Hazard 3 | P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c |
|---|---|
| Health Hazard 2 | GHS H Statement H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. |
| Solubility Information | It is soluble in water. |
| Physical Form | Liquid |
| Chemical Name or Material | MOPS-SDS running buffer |
| TSCA | No |
| Recommended Storage | Ambient temperatures |
| Concentration | 20X |
Thermo Scientific Chemicals PIPES, 0.5M buffer soln., pH 8.0
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 |
Thermo Scientific Chemicals BIS-TRIS, 0.2M buffer soln., pH 6.0
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 MES, 0.5M buffer soln., pH 6.5
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, 99+%, <1% water
CAS: 4432-31-9 Molecular Formula: C6H13NO4S Molecular Weight (g/mol): 195.233 MDL Number: MFCD00006181 InChI Key: SXGZJKUKBWWHRA-UHFFFAOYSA-N Synonym: 2-(N-Morpholino)ethanesulfonic acid PubChem CID: 78165 ChEBI: CHEBI:39005 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid SMILES: C1COCCN1CCS(=O)(=O)O
| PubChem CID | 78165 |
|---|---|
| CAS | 4432-31-9 |
| Molecular Weight (g/mol) | 195.233 |
| ChEBI | CHEBI:39005 |
| MDL Number | MFCD00006181 |
| SMILES | C1COCCN1CCS(=O)(=O)O |
| Synonym | 2-(N-Morpholino)ethanesulfonic acid |
| IUPAC Name | 2-morpholin-4-ylethanesulfonic acid |
| InChI Key | SXGZJKUKBWWHRA-UHFFFAOYSA-N |
| Molecular Formula | C6H13NO4S |