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
MP Biomedicals™ Phosphate Buffered Saline Tablets (PBS)
Phosphate Buffered Saline Tablets (PBS) are a balanced salt mixture for easy PBS buffer preparation for a variety of applications, including reagent preparation, diluting cells for flow cytometry, and cell culture reagent.
| Includes | No Calcium, No Magnesium |
|---|---|
| Molecular Weight (g/mol) | 74.55 |
| MDL Number | MFCD00011360 |
| Physical Form | Tablet |
| Chemical Name or Material | Phosphate Buffered Saline (PBS) |
| SMILES | [Cl-].[K+] |
| IUPAC Name | potassium chloride |
| InChI Key | WCUXLLCKKVVCTQ-UHFFFAOYSA-M |
| Molecular Formula | ClK |
TE Buffer, 1X Solution, Molecular Biology Grade, Ultrapure
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 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 |
| 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 |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 9.5
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 |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 8.5, 0.2 micron filtered
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 |
Thermo Scientific™ Pierce™ IgG Elution Buffer, pH 2.0
Ensure high-yield, nondenaturing antibody purification using IgG affinity purification supports with these gentle buffer solutions.
Thermo Scientific Chemicals MES, 1.0M buffer soln., pH 6.0
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 |
MOPS sodium salt, 98%
CAS: 71119-22-7 Molecular Formula: C7H14NNaO4S Molecular Weight (g/mol): 231.242 MDL Number: MFCD00064350 InChI Key: MWEMXEWFLIDTSJ-UHFFFAOYSA-M Synonym: 3-(4-Morpholino)propanesulfonic acid sodium salt 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 |
| MDL Number | MFCD00064350 |
| SMILES | C1COCCN1CCCS(=O)(=O)[O-].[Na+] |
| Synonym | 3-(4-Morpholino)propanesulfonic acid sodium salt |
| IUPAC Name | sodium;3-morpholin-4-ylpropane-1-sulfonate |
| InChI Key | MWEMXEWFLIDTSJ-UHFFFAOYSA-M |
| Molecular Formula | C7H14NNaO4S |
PIPES, 98%
CAS: 5625-37-6 Molecular Formula: C8H18N2O6S2 Molecular Weight (g/mol): 302.36 MDL Number: MFCD00006159 InChI Key: IHPYMWDTONKSCO-UHFFFAOYSA-N Synonym: pipes,1,4-piperazinediethanesulfonic acid,piperazine-n,n'-bis 2-ethanesulfonic acid,2,2'-piperazine-1,4-diyl diethanesulfonic acid,1,4-piperazinebis ethanesulfonic acid,unii-g502h79v6l,2-4-2-sulfoethyl piperazin-1-yl ethanesulfonic acid,piperazine-1,4-bis 2-ethanesulfonic acid,1,4-piperazine-diethanesulfonic acid,2,2'-piperazine-1,4-diyl bis ethanesulphonic acid 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 |
| Synonym | pipes,1,4-piperazinediethanesulfonic acid,piperazine-n,n'-bis 2-ethanesulfonic acid,2,2'-piperazine-1,4-diyl diethanesulfonic acid,1,4-piperazinebis ethanesulfonic acid,unii-g502h79v6l,2-4-2-sulfoethyl piperazin-1-yl ethanesulfonic acid,piperazine-1,4-bis 2-ethanesulfonic acid,1,4-piperazine-diethanesulfonic acid,2,2'-piperazine-1,4-diyl bis ethanesulphonic acid |
| IUPAC Name | 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid |
| InChI Key | IHPYMWDTONKSCO-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O6S2 |
Thermo Scientific™ Pierce™ Endotoxin-Free Tris Buffer, pH 7.0 (50 mM)
Pierce Endotoxin-Free Tris Buffer may be used to dilute samples for any of the endotoxin detection assays and for adjusting the pH of the LAL endotoxin test samples. For endotoxin testing, the samples and sample dilutions be between pH 6-8. Contains <0.005 EU/mL endotoxin.
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 |
Thermo Scientific Chemicals MES, 1.0M buffer soln., pH 5.0
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 |
PBS, (1X PBS Liq.), w/o Calcium and Magnesium, 500mL, MP Biomedicals
Dulbecco's Formula Without calcium and magnesium Storage temperature: 15-30°C
Thermo Scientific Chemicals MES monohydrate, 98%
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 HEPES, 99%, for biochemistry
CAS: 7365-45-9 Molecular Formula: C8H18N2O4S Molecular Weight (g/mol): 238.30 MDL Number: MFCD00006158 InChI Key: JKMHFZQWWAIEOD-UHFFFAOYSA-N Synonym: 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid 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 | 2-[4-(2-Hydroxyethyl)-1-piperazine]ethanesulfonic acid |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
Thermo Scientific Chemicals TRIS, 1.0M buffer soln., pH 9.0
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 |