Biological Buffers

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  1. MES
      Grade & Purity: 
    • ≥99.5%(T)
    Cas#: 4432-31-9        Compound CID:  78165
    Formula:  C6H13NO4S        Molecular Weight: 195.24
    IUPAC Name: 2-morpholin-4-ylethanesulfonic acid
    SMILES: C1COCCN1CCS(=O)(=O)O
    InChIKey: SXGZJKUKBWWHRA-UHFFFAOYSA-N
    InChI: InChI=1S/C6H13NO4S/c8-12(9,10)6-3-7-1-4-11-5-2-7/h1-6H2,(H,8,9,10)
    Synonyms: Morpholineethanesulfonic acid | Phenol, o-phenoxy- | SCHEMBL6200 | W-106203 | MES, low moisture content, >=99% (titra...
  2. MOPS sodium salt
      Grade & Purity: 
    • ≥99.5%(T)
    Cas#: 71119-22-7        Compound CID:  3859613
    Formula:  C7H14NO4SNa        Molecular Weight: 231.25
    IUPAC Name: sodium;3-morpholin-4-ylpropane-1-sulfonate
    SMILES: C1COCCN1CCCS(=O)(=O)[O-].[Na+]
    InChIKey: MWEMXEWFLIDTSJ-UHFFFAOYSA-M
    InChI: InChI=1S/C7H15NO4S.Na/c9-13(10,11)7-1-2-8-3-5-12-6-4-8;/h1-7H2,(H,9,10,11);/q;+1/p-1
    Synonyms: AS-14495 | CS-0120956 | 3-Morpholinopropanesulfonic Acid Sodium Salt | MOPS, Sodium | MFCD00064350 | 3-(4-Morpholino)...
  3. HEPES
    Cas#: 7365-45-9        Compound CID:  23831
    Formula:  C8H18N2O4S        Molecular Weight: 238.30
    IUPAC Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
    SMILES: C1CN(CCN1CCO)CCS(=O)(=O)O
    InChIKey: JKMHFZQWWAIEOD-UHFFFAOYSA-N
    InChI: InChI=1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,(H,12,13,14)
    Synonyms: HEPES, BioXtra, pH 5.0-6.5 (1 M in H2O), >=99.5% (titration) | 1d1p | STK033062 | 2-[4-(2-hydroxyethyl)piperazin-1-yl...
  4. HEPES sodium salt
      Grade & Purity: 
    • ≥99.5%(T)
    Cas#: 75277-39-3        Compound CID:  2724248
    Formula:  C8H17N2NaO4S        Molecular Weight: 260.29
    IUPAC Name: sodium;2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate
    SMILES: C1CN(CCN1CCO)CCS(=O)(=O)[O-].[Na+]
    InChIKey: RDZTWEVXRGYCFV-UHFFFAOYSA-M
    InChI: InChI=1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1
    Synonyms: HEPES sodium salt | Sodium 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulfonate | 4-(2-Hydroxyethyl)piperazine-1-ethan...
  5. HEPES sodium salt(HEPES-Na)
    Cas#: 75277-39-3        Compound CID:  2724248
    Formula:  C8H17N2NaO4S        Molecular Weight: 260.29
    IUPAC Name: sodium;2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonate
    SMILES: C1CN(CCN1CCO)CCS(=O)(=O)[O-].[Na+]
    InChIKey: RDZTWEVXRGYCFV-UHFFFAOYSA-M
    InChI: InChI=1S/C8H18N2O4S.Na/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14;/h11H,1-8H2,(H,12,13,14);/q;+1/p-1
    Synonyms: FT-0610868 | HEPES sodium salt | Sodium 2-(4-(2-hydroxyethyl)piperazin-1-yl)ethanesulfonate | N-(2-Hydroxyethyl)piper...
  6. MOPS sodium salt
    Cas#: 71119-22-7        Compound CID:  3859613
    Formula:  C7H14NO4SNa        Molecular Weight: 231.25
    IUPAC Name: sodium;3-morpholin-4-ylpropane-1-sulfonate
    SMILES: C1COCCN1CCCS(=O)(=O)[O-].[Na+]
    InChIKey: MWEMXEWFLIDTSJ-UHFFFAOYSA-M
    InChI: InChI=1S/C7H15NO4S.Na/c9-13(10,11)7-1-2-8-3-5-12-6-4-8;/h1-7H2,(H,9,10,11);/q;+1/p-1
    Synonyms: MOPS-Na | AS-14495 | CS-0120956 | 3-Morpholinopropanesulfonic Acid Sodium Salt | MOPS, Sodium | MFCD00064350 | 3-(4-M...
  7. TAPS
    Cas#: 29915-38-6        Compound CID:  121591
    Formula:  C7H17NO6S        Molecular Weight: 243.28
    IUPAC Name: 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonic acid
    SMILES: C(CNC(CO)(CO)CO)CS(=O)(=O)O
    InChIKey: YNLCVAQJIKOXER-UHFFFAOYSA-N
    InChI: InChI=1S/C7H17NO6S/c9-4-7(5-10,6-11)8-2-1-3-15(12,13)14/h8-11H,1-6H2,(H,12,13,14)
    Synonyms: 3-((2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino)-1-propanesulfonic acid | 3-(Tris(hydroxymethyl)methylamino)-1-propan...
  8. TAPS
      Grade & Purity: 
    • ≥99.5%(T)
    Cas#: 29915-38-6        Compound CID:  121591
    Formula:  C7H17NO6S        Molecular Weight: 243.28
    IUPAC Name: 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonic acid
    SMILES: C(CNC(CO)(CO)CO)CS(=O)(=O)O
    InChIKey: YNLCVAQJIKOXER-UHFFFAOYSA-N
    InChI: InChI=1S/C7H17NO6S/c9-4-7(5-10,6-11)8-2-1-3-15(12,13)14/h8-11H,1-6H2,(H,12,13,14)
    Synonyms: TAPS | 3-[[1,3-dihydroxy-2-(hydroxymethyl)propan-2-yl]amino]propane-1-sulfonic acid | 3-((1,3-Dihydroxy-2-(hydroxymet...
  9. BES
      Grade & Purity: 
    • ≥99.5%(T)
    Cas#: 10191-18-1        Compound CID:  73243
    Formula:  C6H15NO5S        Molecular Weight: 213.25
    IUPAC Name: 2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid
    SMILES: C(CO)N(CCO)CCS(=O)(=O)O
    InChIKey: AJTVSSFTXWNIRG-UHFFFAOYSA-N
    InChI: InChI=1S/C6H15NO5S/c8-4-1-7(2-5-9)3-6-13(10,11)12/h8-9H,1-6H2,(H,10,11,12)
    Synonyms: N,N-di[(2-hydroxy)ethyl]taurine | 2-(Bis(2-hydroxyethyl)amino)ethanesulfonic acid | N,N-bis-(2-Hydroxyethyl)-2-aminoe...
  10. N,N-Bis(2-hydroxyethyl)glycine
    Cas#: 150-25-4        Compound CID:  8761
    Formula:  C6H13NO4        Molecular Weight: 163.17
    IUPAC Name: 2-[bis(2-hydroxyethyl)amino]acetic acid
    SMILES: C(CO)N(CCO)CC(=O)O
    InChIKey: FSVCELGFZIQNCK-UHFFFAOYSA-N
    InChI: InChI=1S/C6H13NO4/c8-3-1-7(2-4-9)5-6(10)11/h8-9H,1-5H2,(H,10,11)
    Synonyms: Bicine
  11. BES
    Cas#: 10191-18-1        Compound CID:  73243
    Formula:  C6H15NO5S        Molecular Weight: 213.25
    IUPAC Name: 2-[bis(2-hydroxyethyl)amino]ethanesulfonic acid
    SMILES: C(CO)N(CCO)CCS(=O)(=O)O
    InChIKey: AJTVSSFTXWNIRG-UHFFFAOYSA-N
    InChI: InChI=1S/C6H15NO5S/c8-4-1-7(2-5-9)3-6-13(10,11)12/h8-9H,1-6H2,(H,10,11,12)
    Synonyms: N,N-di[(2-hydroxy)ethyl]taurine | 2-(Bis(2-hydroxyethyl)amino)ethanesulfonic acid | N,N-bis-(2-Hydroxyethyl)-2-aminoe...
  12. HEPPS
    Cas#: 16052-06-5        Compound CID:  85255
    Formula:  C9H20N2O4S        Molecular Weight: 252.33
    IUPAC Name: 3-[4-(2-hydroxyethyl)piperazin-1-yl]propane-1-sulfonic acid
    SMILES: C1CN(CCN1CCCS(=O)(=O)O)CCO
    InChIKey: OWXMKDGYPWMGEB-UHFFFAOYSA-N
    InChI: InChI=1S/C9H20N2O4S/c12-8-7-11-5-3-10(4-6-11)2-1-9-16(13,14)15/h12H,1-9H2,(H,13,14,15)
    Synonyms: 2-Amino-cyclopentanecarboxylic acid | 3-[4-(2-Hydroxyethyl)-1-piperazinyl]propanesulfonicAcid | N-(2-Hydroxyethyl)pip...
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