
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

Color | Colorless |
---|---|
Physical Form | Liquid |
Recommended Storage | Ambient temperatures |
Physical Form | Liquid |
---|---|
Recommended Storage | Ambient temperatures |
Concentration | 20X |
Thermo Scientific Chemicals MES monohydrate, 98%
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00149409 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 4-Morpholineethanesulfonic acid monohydrate,2-(4-Morpholinyl)ethanesulfonic acid monohydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
PubChem CID | 16218417 |
---|---|
CAS | 145224-94-8 |
Molecular Weight (g/mol) | 213.248 |
MDL Number | MFCD00149409 |
SMILES | C1COCCN1CCS(=O)(=O)O.O |
Synonym | 4-Morpholineethanesulfonic acid monohydrate,2-(4-Morpholinyl)ethanesulfonic acid monohydrate |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid;hydrate |
InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals MES, 0.5M buffer soln., pH 5.0
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
PubChem CID | 16218417 |
---|---|
CAS | 145224-94-8 |
Molecular Weight (g/mol) | 213.248 |
MDL Number | MFCD00283848 |
SMILES | C1COCCN1CCS(=O)(=O)O.O |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid;hydrate |
InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals MES, 0.5M buffer soln., pH 6.0
CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00283848 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O
PubChem CID | 16218417 |
---|---|
CAS | 145224-94-8 |
Molecular Weight (g/mol) | 213.248 |
MDL Number | MFCD00283848 |
SMILES | C1COCCN1CCS(=O)(=O)O.O |
IUPAC Name | 2-morpholin-4-ylethanesulfonic acid;hydrate |
InChI Key | MIIIXQJBDGSIKL-UHFFFAOYSA-N |
Molecular Formula | C6H15NO5S |
Thermo Scientific Chemicals Imidazole, 0.5M buffer soln., pH 7.5
CAS: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.08 MDL Number: MFCD00005183 InChI Key: RAXXELZNTBOGNW-UHFFFAOYSA-N IUPAC Name: 1H-imidazole SMILES: N1C=CN=C1
CAS | 288-32-4 |
---|---|
Molecular Weight (g/mol) | 68.08 |
MDL Number | MFCD00005183 |
SMILES | N1C=CN=C1 |
IUPAC Name | 1H-imidazole |
InChI Key | RAXXELZNTBOGNW-UHFFFAOYSA-N |
Molecular Formula | C3H4N2 |
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 |
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 Tris(hydroxymethyl)aminomethane hydrochloride, Molecular Biology Grade, 99+%
CAS: 1185-53-1 Molecular Formula: C4H12ClNO3 Molecular Weight (g/mol): 157.594 MDL Number: MFCD00012590 InChI Key: QKNYBSVHEMOAJP-UHFFFAOYSA-N Synonym: TRIS hydrochloride; 2-Amino-2-hydroxymethyl-1,3-propanediol hydrochloride 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 | MFCD00012590 |
SMILES | C(C(CO)(CO)N)O.Cl |
Synonym | TRIS hydrochloride; 2-Amino-2-hydroxymethyl-1,3-propanediol hydrochloride |
IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride |
InChI Key | QKNYBSVHEMOAJP-UHFFFAOYSA-N |
Molecular Formula | C4H12ClNO3 |
Thermo Scientific Chemicals Phosphate-buffered saline (DPBS, 10X), Dulbecco's formula
Used as a buffer system to maintain cell culture media in the physiological pH range. In combination with glucose, it provides the principal energy sources of cell metabolism. It is involved to irrigate, wash and dilute mammalian cells.
Packaging | Plastic bottle |
---|---|
Physical Form | Liquid |
Recommended Storage | Ambient temperatures |
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 |
MOPS, ≥98.5% (Dry Basis), Ultrapure
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]propane sulfonic Acid PubChem CID: 70807 ChEBI: CHEBI:44115 IUPAC Name: 3-morpholin-4-ylpropane-1-sulfonic acid SMILES: C1COCCN1CCCS(=O)(=O)O
PubChem CID | 70807 |
---|---|
CAS | 1132-61-2 |
Molecular Weight (g/mol) | 209.26 |
ChEBI | CHEBI:44115 |
MDL Number | MFCD00006183 |
SMILES | C1COCCN1CCCS(=O)(=O)O |
Synonym | 3-[N-Morpholino]propane sulfonic Acid |
IUPAC Name | 3-morpholin-4-ylpropane-1-sulfonic acid |
InChI Key | DVLFYONBTKHTER-UHFFFAOYSA-N |
Molecular Formula | C7H15NO4S |
MP Biomedicals™ 1X Hanks' Balanced Salt Solution (Modified) without Magnesium and Calcium
Minimize cell attachment or aggregation.
TAPS sodium salt, 98%
Molecular Formula: C7H16NNaO6S Molecular Weight (g/mol): 265.256 MDL Number: MFCD00069903 InChI Key: FEGYIWVHCSRXCG-UHFFFAOYSA-M PubChem CID: 23667519 IUPAC Name: sodium;3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonate SMILES: C(CNC(CO)(CO)CO)CS(=O)(=O)[O-].[Na+]
PubChem CID | 23667519 |
---|---|
Molecular Weight (g/mol) | 265.256 |
MDL Number | MFCD00069903 |
SMILES | C(CNC(CO)(CO)CO)CS(=O)(=O)[O-].[Na+] |
IUPAC Name | sodium;3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonate |
InChI Key | FEGYIWVHCSRXCG-UHFFFAOYSA-M |
Molecular Formula | C7H16NNaO6S |
TRIS-Buffered Saline (TBS), 10X, With 0.5% Tween 20, PROMO, Thermo Scientific Chemicals
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.14 g/mol MDL Number: MFCD00678198 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) | 121.14 g/mol |
ChEBI | CHEBI:9754 |
MDL Number | MFCD00678198 |
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 |