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
TBS, 20X Solution, pH 7.4, Molecular Biology Grade, Ultrapure
CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium;chloride SMILES: [Na+].[Cl-]
| PubChem CID | 5234 |
|---|---|
| CAS | 7647-14-5 |
| Molecular Weight (g/mol) | 58.44 |
| ChEBI | CHEBI:26710 |
| MDL Number | MFCD00003477 |
| SMILES | [Na+].[Cl-] |
| IUPAC Name | sodium;chloride |
| InChI Key | FAPWRFPIFSIZLT-UHFFFAOYSA-M |
| Molecular Formula | ClNa |
Thermo Scientific Chemicals MES hydrate, 99+%, for biochemistry
CAS: 1266615-59-1 Molecular Formula: C6H13NO4S Molecular Weight (g/mol): 195.23 MDL Number: MFCD00149409 InChI Key: SXGZJKUKBWWHRA-UHFFFAOYSA-N Synonym: 4-Morpholinoethanesulfonic acid hydrate,MES IUPAC Name: 2-(morpholin-4-yl)ethane-1-sulfonic acid SMILES: OS(=O)(=O)CCN1CCOCC1
| CAS | 1266615-59-1 |
|---|---|
| Molecular Weight (g/mol) | 195.23 |
| MDL Number | MFCD00149409 |
| SMILES | OS(=O)(=O)CCN1CCOCC1 |
| Synonym | 4-Morpholinoethanesulfonic acid hydrate,MES |
| IUPAC Name | 2-(morpholin-4-yl)ethane-1-sulfonic acid |
| InChI Key | SXGZJKUKBWWHRA-UHFFFAOYSA-N |
| Molecular Formula | C6H13NO4S |
Thermo Scientific Chemicals MOPS, 1.0M buffer soln., pH 7.5
CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 MDL Number: MFCD00006183 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: [O-]S(=O)(=O)CCC[NH+]1CCOCC1
| PubChem CID | 70807 |
|---|---|
| CAS | 1132-61-2 |
| Molecular Weight (g/mol) | 209.26 |
| ChEBI | CHEBI:44115 |
| MDL Number | MFCD00006183 |
| SMILES | [O-]S(=O)(=O)CCC[NH+]1CCOCC1 |
| IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
| InChI Key | DVLFYONBTKHTER-UHFFFAOYSA-N |
| Molecular Formula | C7H15NO4S |
Thermo Scientific Chemicals HEPES sodium salt, 99%
CAS: 75277-39-3 Molecular Formula: C8H17N2NaO4S Molecular Weight (g/mol): 260.28 MDL Number: MFCD00036463 InChI Key: RDZTWEVXRGYCFV-UHFFFAOYSA-M Synonym: 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid sodium salt 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 | 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid sodium salt |
| IUPAC Name | sodium 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethane-1-sulfonate |
| InChI Key | RDZTWEVXRGYCFV-UHFFFAOYSA-M |
| Molecular Formula | C8H17N2NaO4S |
Thermo Scientific Chemicals Potassium phosphate, 0.5M buffer soln., pH 7.0
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 |
Thermo Scientific Chemicals MES sodium salt, 99%
CAS: 71119-23-8 Molecular Formula: C6H12NNaO4S Molecular Weight (g/mol): 217.215 MDL Number: MFCD00065473 InChI Key: IRHWMYKYLWNHTL-UHFFFAOYSA-M PubChem CID: 23673676 ChEBI: CHEBI:62955 IUPAC Name: sodium;2-morpholin-4-ylethanesulfonate SMILES: C1COCCN1CCS(=O)(=O)[O-].[Na+]
| PubChem CID | 23673676 |
|---|---|
| CAS | 71119-23-8 |
| Molecular Weight (g/mol) | 217.215 |
| ChEBI | CHEBI:62955 |
| MDL Number | MFCD00065473 |
| SMILES | C1COCCN1CCS(=O)(=O)[O-].[Na+] |
| IUPAC Name | sodium;2-morpholin-4-ylethanesulfonate |
| InChI Key | IRHWMYKYLWNHTL-UHFFFAOYSA-M |
| Molecular Formula | C6H12NNaO4S |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 6.5
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 |
TE buffer, pH 7.4, RNAse free
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 MDL Number: MFCD00236359 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N 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 | MFCD00236359 |
| SMILES | C(C(CO)(CO)N)O.Cl |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
MOPSO, 98%
CAS: 68399-77-9 Molecular Formula: C7H15NO5S Molecular Weight (g/mol): 225.259 MDL Number: MFCD00009629 InChI Key: NUFBIAUZAMHTSP-UHFFFAOYSA-N Synonym: mopso,2-hydroxy-3-morpholinopropanesulfonic acid,2-hydroxy-3-morpholinopropane-1-sulfonic acid,2-hydroxy-4-morpholinepropanesulphonic acid,3-morpholino-2-hydroxypropanesulfonic acid,3-n-morpholino-2-hydroxypropanesulfonic acid,2-hydroxy-3-morpholin-4-yl propane-1-sulfonic acid,beta-hydroxy-4-morpholinepropanesulfonic acid,3-4-morpholino-2-hydroxypropanesulfonic acid,4-morpholinepropanesulfonic acid, .beta.-hydroxy PubChem CID: 109333 IUPAC Name: 2-hydroxy-3-morpholin-4-ylpropane-1-sulfonic acid SMILES: C1COCCN1CC(CS(=O)(=O)O)O
| PubChem CID | 109333 |
|---|---|
| CAS | 68399-77-9 |
| Molecular Weight (g/mol) | 225.259 |
| MDL Number | MFCD00009629 |
| SMILES | C1COCCN1CC(CS(=O)(=O)O)O |
| Synonym | mopso,2-hydroxy-3-morpholinopropanesulfonic acid,2-hydroxy-3-morpholinopropane-1-sulfonic acid,2-hydroxy-4-morpholinepropanesulphonic acid,3-morpholino-2-hydroxypropanesulfonic acid,3-n-morpholino-2-hydroxypropanesulfonic acid,2-hydroxy-3-morpholin-4-yl propane-1-sulfonic acid,beta-hydroxy-4-morpholinepropanesulfonic acid,3-4-morpholino-2-hydroxypropanesulfonic acid,4-morpholinepropanesulfonic acid, .beta.-hydroxy |
| IUPAC Name | 2-hydroxy-3-morpholin-4-ylpropane-1-sulfonic acid |
| InChI Key | NUFBIAUZAMHTSP-UHFFFAOYSA-N |
| Molecular Formula | C7H15NO5S |
| Health Hazard 3 | P264b-P280-P302+P352-P305+P351+P338-P332+P313-P362 |
|---|---|
| Solubility Information | It is soluble in water. |
| Packaging | Plastic bottle |
| Physical Form | Liquid |
| Health Hazard 1 | H315-H319-H335 |
| Chemical Name or Material | TRIS-Tricine-SDS running buffer (10X) |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
Thermo Scientific Chemicals MOPS, 99.5%, for molecular biology, Dnase, Rnase, Prot. free, for peptide sequencing
CAS: 1132-61-2 Molecular Formula: C7H15NO4S Molecular Weight (g/mol): 209.26 MDL Number: MFCD00006183 InChI Key: DVLFYONBTKHTER-UHFFFAOYSA-N Synonym: 3-(N-Morpholino)propanesulfonic acid PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: [O-]S(=O)(=O)CCC[NH+]1CCOCC1
| PubChem CID | 70807 |
|---|---|
| CAS | 1132-61-2 |
| Molecular Weight (g/mol) | 209.26 |
| ChEBI | CHEBI:44115 |
| MDL Number | MFCD00006183 |
| SMILES | [O-]S(=O)(=O)CCC[NH+]1CCOCC1 |
| Synonym | 3-(N-Morpholino)propanesulfonic acid |
| IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
| InChI Key | DVLFYONBTKHTER-UHFFFAOYSA-N |
| Molecular Formula | C7H15NO4S |
bis-Tris, ≥99%, MP Biomedicals™
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 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 |
| 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 BIS-TRIS, 0.2M buffer soln., pH 7.0
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 CHES, 99%
CAS: 103-47-9 Molecular Formula: C8H17NO3S Molecular Weight (g/mol): 207.288 MDL Number: MFCD00003835 InChI Key: MKWKNSIESPFAQN-UHFFFAOYSA-N PubChem CID: 66898 IUPAC Name: 2-(cyclohexylamino)ethanesulfonic acid SMILES: C1CCC(CC1)NCCS(=O)(=O)O
| PubChem CID | 66898 |
|---|---|
| CAS | 103-47-9 |
| Molecular Weight (g/mol) | 207.288 |
| MDL Number | MFCD00003835 |
| SMILES | C1CCC(CC1)NCCS(=O)(=O)O |
| IUPAC Name | 2-(cyclohexylamino)ethanesulfonic acid |
| InChI Key | MKWKNSIESPFAQN-UHFFFAOYSA-N |
| Molecular Formula | C8H17NO3S |