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
Thermo Scientific Chemicals HEPES, 1.0M buffer soln., pH 6.5
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 |
BES, 0.5M buffer soln., pH 6.0, Thermo Scientific™
CAS: 66992-27-6 Molecular Formula: C6H14NNaO5S Molecular Weight (g/mol): 235.23 MDL Number: MFCD00067425 InChI Key: CFQLQLSIZOWFNV-UHFFFAOYSA-M PubChem CID: 23671640 IUPAC Name: sodium;2-[bis(2-hydroxyethyl)amino]ethanesulfonate SMILES: C(CO)N(CCO)CCS(=O)(=O)[O-].[Na+]
| PubChem CID | 23671640 |
|---|---|
| CAS | 66992-27-6 |
| Molecular Weight (g/mol) | 235.23 |
| MDL Number | MFCD00067425 |
| SMILES | C(CO)N(CCO)CCS(=O)(=O)[O-].[Na+] |
| IUPAC Name | sodium;2-[bis(2-hydroxyethyl)amino]ethanesulfonate |
| InChI Key | CFQLQLSIZOWFNV-UHFFFAOYSA-M |
| Molecular Formula | C6H14NNaO5S |
MilliporeSigma™ BIS-Tris, ULTROL™ Grade, Calbiochem™,
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 InChI Key: OWMVSZAMULFTJU-UHFFFAOYSA-N Synonym: [bis(2-Hydroxyethyl)imino]-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 |
| SMILES | C(CO)N(CCO)C(CO)(CO)CO |
| Synonym | [bis(2-Hydroxyethyl)imino]-tris(hydroxymethyl)methane |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | OWMVSZAMULFTJU-UHFFFAOYSA-N |
| Molecular Formula | C8H19NO5 |
TrisHydroxymethyl)Aminomethane ACS AR, Macron Fine Chemicals™
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 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 |
| 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 |
MilliporeSigma™ HEPES, Sodium Salt, ULTROL™ Grade, Calbiochem™,
CAS: 75277-39-3 Molecular Formula: C8H17N2NaO4S Molecular Weight (g/mol): 260.28 MDL Number: MFCD00036463 InChI Key: RDZTWEVXRGYCFV-UHFFFAOYSA-M Synonym: N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic Acid, Na PubChem CID: 2724248 ChEBI: CHEBI:46758 IUPAC Name: sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate SMILES: [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1
| PubChem CID | 2724248 |
|---|---|
| CAS | 75277-39-3 |
| Molecular Weight (g/mol) | 260.28 |
| ChEBI | CHEBI:46758 |
| MDL Number | MFCD00036463 |
| SMILES | [Na+].OCCN1CCN(CCS([O-])(=O)=O)CC1 |
| Synonym | N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic Acid, Na |
| IUPAC Name | sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate |
| InChI Key | RDZTWEVXRGYCFV-UHFFFAOYSA-M |
| Molecular Formula | C8H17N2NaO4S |
MOPS, 101%, MP Biomedicals™
CAS: 71119-22-7 Molecular Formula: C7H14NNaO4S Molecular Weight (g/mol): 231.242 InChI Key: MWEMXEWFLIDTSJ-UHFFFAOYSA-M Synonym: 3-[N-Morpholino]propanesulfonic acid 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 |
| IUPAC Name | sodium;3-morpholin-4-ylpropane-1-sulfonate |
| InChI Key | MWEMXEWFLIDTSJ-UHFFFAOYSA-M |
| Molecular Formula | C7H14NNaO4S |
Gibco™ PBS, pH 7.4
Gibco™ Balanced Salt Solutions are sterile-filtered, packaged in bioprocess containers, and ready to order.
| Color | Clear, colorless solution |
|---|---|
| Physical Form | Liquid |
| pH | 7.3 to 7.5 |
| Manufacturing Quality | cGMP |
| Chemical Name or Material | Phosphate Buffered Saline (PBS) |
| Osmolality | 280 to 315 mOsm/kg |
| Sterility | Sterile-filtered |
Tricine-buffered saline (5X), pH 7.0, 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 |
Thermo Scientific Chemicals PIPES, 1.0M 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 |
Ethylenediamine Tetraacetic Acid, MP Biomedicals™
CAS: 60-00-4 Molecular Formula: C10H16N2O8 Molecular Weight (g/mol): 292.24 MDL Number: MFCD00003541 InChI Key: KCXVZYZYPLLWCC-UHFFFAOYSA-N Synonym: EDTA, (Ethylenedinitrilo)tetraacetic acid,Edathamil,Ethylenedinitrilotetraacetic acid IUPAC Name: 2-({2-[bis(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetic acid SMILES: OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O
| CAS | 60-00-4 |
|---|---|
| Molecular Weight (g/mol) | 292.24 |
| MDL Number | MFCD00003541 |
| SMILES | OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O |
| Synonym | EDTA, (Ethylenedinitrilo)tetraacetic acid,Edathamil,Ethylenedinitrilotetraacetic acid |
| IUPAC Name | 2-({2-[bis(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetic acid |
| InChI Key | KCXVZYZYPLLWCC-UHFFFAOYSA-N |
| Molecular Formula | C10H16N2O8 |
| Color | Red |
|---|---|
| Physical Form | Liquid |
| Recommended Storage | Ambient temperatures |
Thermo Scientific Chemicals HEPES-buffered saline, pH 6.5 (5X)
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 |
TRIS, MP Biomedicals™
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.14 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Tris-[hydroxymethyl]aminomethane,THAM, 2-Amino-2-(hydroxymethyl)- 1,3-propandiol,Tromethamine,Trometamol
| CAS | 77-86-1 |
|---|---|
| Molecular Weight (g/mol) | 121.14 |
| MDL Number | MFCD00004679 |
| Synonym | Tris-[hydroxymethyl]aminomethane,THAM, 2-Amino-2-(hydroxymethyl)- 1,3-propandiol,Tromethamine,Trometamol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
PIPES Sesquisodium Salt, MP Biomedicals™
CAS: 100037-69-2 Molecular Formula: C16H33N4Na3O12S4 InChI Key: FPDACHMSOMILQI-UHFFFAOYSA-K Synonym: 1, 4-Piperazinediethanesulfonic acid sesquisodium salt,Piperazine-1, 4-bis(2-ethanesulfonic acid) sesquisodium salt PubChem CID: 3086462
| PubChem CID | 3086462 |
|---|---|
| CAS | 100037-69-2 |
| Synonym | 1, 4-Piperazinediethanesulfonic acid sesquisodium salt,Piperazine-1, 4-bis(2-ethanesulfonic acid) sesquisodium salt |
| InChI Key | FPDACHMSOMILQI-UHFFFAOYSA-K |
| Molecular Formula | C16H33N4Na3O12S4 |
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 |