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™ MES SDS Running Buffer for Bis-Tris Gels, Powder
Powder MES buffer salts to make PAGE buffer.
Thermo Scientific Chemicals Tris(hydroxymethyl)aminomethane, Electrophoresis Grade, 99.5%
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: TRIS 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 |
| Synonym | TRIS |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
Thermo Scientific Chemicals BIS-TRIS propane, 0.2M buffer soln., pH 8.0
CAS: 64431-96-5 Molecular Formula: C11H26N2O6 Molecular Weight (g/mol): 282.337 MDL Number: MFCD00004689 InChI Key: HHKZCCWKTZRCCL-UHFFFAOYSA-N PubChem CID: 125132 ChEBI: CHEBI:40947 IUPAC Name: 2-[3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propylamino]-2-(hydroxymethyl)propane-1,3-diol SMILES: C(CNC(CO)(CO)CO)CNC(CO)(CO)CO
| PubChem CID | 125132 |
|---|---|
| CAS | 64431-96-5 |
| Molecular Weight (g/mol) | 282.337 |
| ChEBI | CHEBI:40947 |
| MDL Number | MFCD00004689 |
| SMILES | C(CNC(CO)(CO)CO)CNC(CO)(CO)CO |
| IUPAC Name | 2-[3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propylamino]-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | HHKZCCWKTZRCCL-UHFFFAOYSA-N |
| Molecular Formula | C11H26N2O6 |
HEPES Sodium Salt, Cell Culture Reagent Grade, ≥98.0%, MP Biomedicals™
CAS: 75277-39-3 Molecular Formula: C8H17N2NaO4S Molecular Weight (g/mol): 260.28 MDL Number: MFCD00036463 InChI Key: RDZTWEVXRGYCFV-UHFFFAOYSA-M Synonym: 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt,N-(2-Hydroxyethyl)piperazine-N-(2-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 | 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid sodium salt,N-(2-Hydroxyethyl)piperazine-N-(2-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 |
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 |
TE buffer, pH 8.0, 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 |
Thermo Scientific Chemicals BICINE, Electrophoresis Grade, 99+%
CAS: 150-25-4 Molecular Formula: C6H12NNaO4 Molecular Weight (g/mol): 185.16 MDL Number: MFCD00004295 InChI Key: MFBDBXAVPLFMNJ-UHFFFAOYSA-M Synonym: N,N-Bis(2-hydroxyethyl)glycine PubChem CID: 8761 ChEBI: CHEBI:40957 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]acetic acid SMILES: [Na+].OCCN(CCO)CC([O-])=O
| PubChem CID | 8761 |
|---|---|
| CAS | 150-25-4 |
| Molecular Weight (g/mol) | 185.16 |
| ChEBI | CHEBI:40957 |
| MDL Number | MFCD00004295 |
| SMILES | [Na+].OCCN(CCO)CC([O-])=O |
| Synonym | N,N-Bis(2-hydroxyethyl)glycine |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]acetic acid |
| InChI Key | MFBDBXAVPLFMNJ-UHFFFAOYSA-M |
| Molecular Formula | C6H12NNaO4 |
TAPS sodium salt, 98%
CAS: 91000-53-2 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 |
|---|---|
| CAS | 91000-53-2 |
| 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 |
Thermo Scientific Chemicals TRIS-buffered saline (TBS, 10X, high salt) pH 7.4
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 |
HEPPS, (Crystalline),MP Biomedicals
CAS: 16052-06-5 Molecular Formula: C9H20N2O4S Molecular Weight (g/mol): 252.329 InChI Key: OWXMKDGYPWMGEB-UHFFFAOYSA-N Synonym: hepps,epps,4-2-hydroxyethyl-1-piperazinepropanesulfonic acid,3-4-2-hydroxyethyl piperazin-1-yl propane-1-sulfonic acid,1-piperazinepropanesulfonic acid, 4-2-hydroxyethyl,n-2-hydroxyethyl piperazine-n'-3-propanesulfonic acid,4-2-hydroxyethyl piperazine-1-propanesulfonic acid,4-2-hydroxyethyl-1-piperazinepropane sulfonic acid,4-2-hydroxyethyl-1-piperazinepropanesulphonic acid PubChem CID: 85255 ChEBI: CHEBI:42298 IUPAC Name: 3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid SMILES: C1CN(CCN1CCCS(=O)(=O)O)CCO
| PubChem CID | 85255 |
|---|---|
| CAS | 16052-06-5 |
| Molecular Weight (g/mol) | 252.329 |
| ChEBI | CHEBI:42298 |
| SMILES | C1CN(CCN1CCCS(=O)(=O)O)CCO |
| Synonym | hepps,epps,4-2-hydroxyethyl-1-piperazinepropanesulfonic acid,3-4-2-hydroxyethyl piperazin-1-yl propane-1-sulfonic acid,1-piperazinepropanesulfonic acid, 4-2-hydroxyethyl,n-2-hydroxyethyl piperazine-n'-3-propanesulfonic acid,4-2-hydroxyethyl piperazine-1-propanesulfonic acid,4-2-hydroxyethyl-1-piperazinepropane sulfonic acid,4-2-hydroxyethyl-1-piperazinepropanesulphonic acid |
| IUPAC Name | 3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid |
| InChI Key | OWXMKDGYPWMGEB-UHFFFAOYSA-N |
| Molecular Formula | C9H20N2O4S |
Tris, Ultra Pure grade, 99.95% min., MP Biomedicals™
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 MDL Number: MFCD00004679 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: Tris base,2-Amino-2-(hydroxymethyl)-1, 3-propanediol 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 |
| Synonym | Tris base,2-Amino-2-(hydroxymethyl)-1, 3-propanediol |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
MilliporeSigma™ Tris Base, ULTROL™ Grade, Calbiochem™,
CAS: 77-86-1 Molecular Formula: C4H11NO3 Molecular Weight (g/mol): 121.136 InChI Key: LENZDBCJOHFCAS-UHFFFAOYSA-N Synonym: tris(Hydroxymethyl)aminomethane 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 |
| Synonym | tris(Hydroxymethyl)aminomethane |
| IUPAC Name | 2-amino-2-(hydroxymethyl)propane-1,3-diol |
| InChI Key | LENZDBCJOHFCAS-UHFFFAOYSA-N |
| Molecular Formula | C4H11NO3 |
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 |
MilliporeSigma™ Calbiochem™ OmniPur™ PBS Tablets
Makes 1X solution when dissolved in 100mL distilled or deionized water from each tablet.