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 |
Tris Hydrochloride, MP Biomedicals™
Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: Tris(hydroxymethyl)aminomethane hydrochloride, TRIS HCl 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 |
|---|---|
| Molecular Weight (g/mol) | 157.594 |
| SMILES | C(C(CO)(CO)N)O.Cl |
| Synonym | Tris(hydroxymethyl)aminomethane hydrochloride, TRIS HCl |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
Thermo Scientific Chemicals ACES, 99+%, for biochemistry
CAS: 7365-82-4 Molecular Formula: C4H10N2O4S Molecular Weight (g/mol): 182.194 MDL Number: MFCD00008030 InChI Key: DBXNUXBLKRLWFA-UHFFFAOYSA-N Synonym: N-(2-Acetamido)-2-aminoethanesulfonic acid,N-(Carbamoylmethyl)taurine 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 |
| Synonym | N-(2-Acetamido)-2-aminoethanesulfonic acid,N-(Carbamoylmethyl)taurine |
| IUPAC Name | 2-[(2-amino-2-oxoethyl)amino]ethanesulfonic acid |
| InChI Key | DBXNUXBLKRLWFA-UHFFFAOYSA-N |
| Molecular Formula | C4H10N2O4S |
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 |
MP Biomedicals™ Tris-Glycine Running Buffer for SDS-PAGE
Powder buffer salts for making SDS-PAGE buffer.
MilliporeSigma™ 10X MOPS Concentrated Solution, OmniPur™, Calbiochem™,
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,4-morpholinepropanesulfonic acid,4-morpholinepropane sulfonic acid,3-morpholinopropane-1-sulfonic acid,3-n-morpholinopropanesulfonic acid,morpholinopropane sulfonic acid,3-morpholinopropanesulfonic acid,unii-273bp63nv3,morpholinopropanesulfonic acid,3-[N-Morpholino]propane sulfonic Acid PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 4-(3-sulfonatopropyl)morpholin-4-ium 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,4-morpholinepropanesulfonic acid,4-morpholinepropane sulfonic acid,3-morpholinopropane-1-sulfonic acid,3-n-morpholinopropanesulfonic acid,morpholinopropane sulfonic acid,3-morpholinopropanesulfonic acid,unii-273bp63nv3,morpholinopropanesulfonic acid,3-[N-Morpholino]propane sulfonic Acid |
| IUPAC Name | 4-(3-sulfonatopropyl)morpholin-4-ium |
| InChI Key | DVLFYONBTKHTER-UHFFFAOYSA-N |
| Molecular Formula | C7H15NO4S |
MilliporeSigma™ Calbiochem™ OmniPur™ TBE Buffer, 10X
Suitable for a wide range of molecular biology applications. Each liter of 10X TBE buffer yields 10 liters of 1X TBE buffer.
| Physical Form | Liquid |
|---|
Tricine, Electrophoresis Grade, MP Biomedicals
CAS: 4-1-5704 Molecular Formula: C6H13NO5 Molecular Weight (g/mol): 179.17 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 |
| 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 |
MilliporeSigma™ Tris, Hydrochloride, Molecular Biology Grade, Calbiochem™,
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: tris(Hydroxymethyl)aminomethane, HCl 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 | tris(Hydroxymethyl)aminomethane, HCl |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
| InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
| Molecular Formula | C4H12ClNO3 |
HEPES, >98%, MP Biomedicals™
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt,N-(2-Hydroxyethyl)piperazine-N?-(2-ethanesulfonic acid) sodium salt 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 | 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt,N-(2-Hydroxyethyl)piperazine-N?-(2-ethanesulfonic acid) sodium salt |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
Thermo Scientific Chemicals MES, 1.0M 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 CAPS, 0.5M buffer soln., pH 10.0
CAS: 1135-40-6 Molecular Formula: C9H19NO3S Molecular Weight (g/mol): 221.32 MDL Number: MFCD00003837 InChI Key: PJWWRFATQTVXHA-UHFFFAOYSA-N IUPAC Name: 3-(cyclohexylamino)propane-1-sulfonic acid SMILES: OS(=O)(=O)CCCNC1CCCCC1
| CAS | 1135-40-6 |
|---|---|
| Molecular Weight (g/mol) | 221.32 |
| MDL Number | MFCD00003837 |
| SMILES | OS(=O)(=O)CCCNC1CCCCC1 |
| IUPAC Name | 3-(cyclohexylamino)propane-1-sulfonic acid |
| InChI Key | PJWWRFATQTVXHA-UHFFFAOYSA-N |
| Molecular Formula | C9H19NO3S |
Thermo Scientific Chemicals Potassium phosphate, 0.5M buffer soln., pH 7.2
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 |