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 BES, 99+%, for biochemistry
CAS: 10191-18-1 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 MDL Number: MFCD00007533 InChI Key: AJTVSSFTXWNIRG-UHFFFAOYSA-N Synonym: N, N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid PubChem CID: 73243 ChEBI: CHEBI:39045 SMILES: OCCN(CCO)CCS(O)(=O)=O
| PubChem CID | 73243 |
|---|---|
| CAS | 10191-18-1 |
| Molecular Weight (g/mol) | 213.25 |
| ChEBI | CHEBI:39045 |
| MDL Number | MFCD00007533 |
| SMILES | OCCN(CCO)CCS(O)(=O)=O |
| Synonym | N, N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid |
| InChI Key | AJTVSSFTXWNIRG-UHFFFAOYSA-N |
| Molecular Formula | C6H15NO5S |
BES, MP Biomedicals™
CAS: 10191-18-1 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.25 MDL Number: MFCD00007533 InChI Key: AJTVSSFTXWNIRG-UHFFFAOYSA-N Synonym: N,N-bis(2-Hydroxyethyl)-2-aminoethanesulfonic acid, N,N-Bis(2-hydroxyethyl)taurine PubChem CID: 73243 ChEBI: CHEBI:39045 IUPAC Name: 2-[bis(2-hydroxyethyl)amino]ethane-1-sulfonic acid SMILES: OCCN(CCO)CCS(O)(=O)=O
| PubChem CID | 73243 |
|---|---|
| CAS | 10191-18-1 |
| Molecular Weight (g/mol) | 213.25 |
| ChEBI | CHEBI:39045 |
| MDL Number | MFCD00007533 |
| SMILES | OCCN(CCO)CCS(O)(=O)=O |
| Synonym | N,N-bis(2-Hydroxyethyl)-2-aminoethanesulfonic acid, N,N-Bis(2-hydroxyethyl)taurine |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]ethane-1-sulfonic acid |
| InChI Key | AJTVSSFTXWNIRG-UHFFFAOYSA-N |
| Molecular Formula | C6H15NO5S |
| MDL Number | MFCD00236358 |
|---|---|
| Synonym | Tris-Borate-EDTA buffer |
PIPES, 0.2M buffer soln., pH 7.0, low endotoxin, Thermo Scientific™
CAS: 5625-37-6 Molecular Formula: C8H18N2O6S2 Molecular Weight (g/mol): 302.36 MDL Number: MFCD00006159 InChI Key: IHPYMWDTONKSCO-UHFFFAOYSA-N 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 |
| IUPAC Name | 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid |
| InChI Key | IHPYMWDTONKSCO-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O6S2 |
| Color | Red |
|---|---|
| Physical Form | Liquid |
| Recommended Storage | Ambient temperatures |
| Molecular Weight (g/mol) | 89.14 |
|---|---|
| Color | Colorless |
| Physical Form | Liquid |
| SMILES | CC(C)(N)CO |
| Concentration | 0.2 M |
| InChI Key | CBTVGIZVANVGBH-UHFFFAOYSA-N |
| CAS | 124-68-5 |
| MDL Number | MFCD00008051 |
| pH | 9.5 |
| Synonym | 2-Amino-2-methyl-1-propanol |
| Recommended Storage | Keep cold |
| IUPAC Name | 2-amino-2-methylpropan-1-ol |
| Molecular Formula | C4H11NO |
| Odor | Odorless |
PIPES Sesquisodium Salt, MP Biomedicals™
CAS: 100037-69-2 Molecular Formula: C16H33N4Na3O12S4 InChI Key: FPDACHMSOMILQI-UHFFFAOYSA-K Synonym: 1, 4-Piperazinediethanesulfonic acid sesquisodium salt,Piperazine-1, 4-bis(2-ethanesulfonic acid) sesquisodium salt PubChem CID: 3086462
| PubChem CID | 3086462 |
|---|---|
| CAS | 100037-69-2 |
| Synonym | 1, 4-Piperazinediethanesulfonic acid sesquisodium salt,Piperazine-1, 4-bis(2-ethanesulfonic acid) sesquisodium salt |
| InChI Key | FPDACHMSOMILQI-UHFFFAOYSA-K |
| Molecular Formula | C16H33N4Na3O12S4 |
| MDL Number | MFCD00236358 |
|---|---|
| Packaging | Plastic bottle |
| Physical Form | Liquid |
| Chemical Name or Material | TBE (5X) |
| TSCA | Yes |
| Recommended Storage | Ambient temperatures |
MilliporeSigma™ BIS-Tris, ULTROL™ Grade, Calbiochem™,
CAS: 6976-37-0 Molecular Formula: C8H19NO5 Molecular Weight (g/mol): 209.242 InChI Key: OWMVSZAMULFTJU-UHFFFAOYSA-N Synonym: [bis(2-Hydroxyethyl)imino]-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 |
| SMILES | C(CO)N(CCO)C(CO)(CO)CO |
| Synonym | [bis(2-Hydroxyethyl)imino]-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 HEPES Buffer, 0.2M buffer soln., pH 8.0, low endotoxin
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]ethane-1-sulfonic 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]ethane-1-sulfonic acid |
| InChI Key | JKMHFZQWWAIEOD-UHFFFAOYSA-N |
| Molecular Formula | C8H18N2O4S |
Ethylenediamine Tetraacetic Acid, MP Biomedicals™
CAS: 60-00-4 Molecular Formula: C10H16N2O8 Molecular Weight (g/mol): 292.24 MDL Number: MFCD00003541 InChI Key: KCXVZYZYPLLWCC-UHFFFAOYSA-N Synonym: EDTA, (Ethylenedinitrilo)tetraacetic acid,Edathamil,Ethylenedinitrilotetraacetic acid IUPAC Name: 2-({2-[bis(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetic acid SMILES: OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O
| CAS | 60-00-4 |
|---|---|
| Molecular Weight (g/mol) | 292.24 |
| MDL Number | MFCD00003541 |
| SMILES | OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O |
| Synonym | EDTA, (Ethylenedinitrilo)tetraacetic acid,Edathamil,Ethylenedinitrilotetraacetic acid |
| IUPAC Name | 2-({2-[bis(carboxymethyl)amino]ethyl}(carboxymethyl)amino)acetic acid |
| InChI Key | KCXVZYZYPLLWCC-UHFFFAOYSA-N |
| Molecular Formula | C10H16N2O8 |
Bis-Tris Hydrochloride, Biological Buffer, 99%, Spectrum™ Chemical
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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Small and/or specialty supplier based on Federal laws and SBA requirements.
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CAS: 124763-51-5 Molecular Formula: C8H20ClNO5 Molecular Weight (g/mol): 245.70 InChI Key: VEYRVLHAMHQVTC-UHFFFAOYSA-N IUPAC Name: 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol hydrochloride SMILES: Cl.OCCN(CCO)C(CO)(CO)CO
| CAS | 124763-51-5 |
|---|---|
| Molecular Weight (g/mol) | 245.70 |
| SMILES | Cl.OCCN(CCO)C(CO)(CO)CO |
| IUPAC Name | 2-[bis(2-hydroxyethyl)amino]-2-(hydroxymethyl)propane-1,3-diol hydrochloride |
| InChI Key | VEYRVLHAMHQVTC-UHFFFAOYSA-N |
| Molecular Formula | C8H20ClNO5 |
ADA, 0.2M buffer soln., pH 6.5, Thermo Scientific™
CAS: 7415-22-7 Molecular Formula: C6H9N2NaO5 Molecular Weight (g/mol): 212.137 MDL Number: MFCD00065483 InChI Key: QCGKKVWCABJQQI-UHFFFAOYSA-M PubChem CID: 23679048 IUPAC Name: sodium;2-[(2-amino-2-oxoethyl)-(carboxymethyl)amino]acetate SMILES: C(C(=O)N)N(CC(=O)O)CC(=O)[O-].[Na+]
| PubChem CID | 23679048 |
|---|---|
| CAS | 7415-22-7 |
| Molecular Weight (g/mol) | 212.137 |
| MDL Number | MFCD00065483 |
| SMILES | C(C(=O)N)N(CC(=O)O)CC(=O)[O-].[Na+] |
| IUPAC Name | sodium;2-[(2-amino-2-oxoethyl)-(carboxymethyl)amino]acetate |
| InChI Key | QCGKKVWCABJQQI-UHFFFAOYSA-M |
| Molecular Formula | C6H9N2NaO5 |