Biological Buffers

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  1. Tris(hydroxymethyl)aminomethane hydrochloride
    Cas#: 1185-53-1        Compound CID:  93573
    Formula:  C4H12CINO3        Molecular Weight: 157.6
    IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydrochloride
    SMILES: C(C(CO)(CO)N)O.Cl
    InChIKey: QKNYBSVHEMOAJP-UHFFFAOYSA-N
    InChI: InChI=1S/C4H11NO3.ClH/c5-4(1-6,2-7)3-8;/h6-8H,1-3,5H2;1H
    Synonyms: Tris hydrochloride|Tris(hydroxymethyl)aminomethane hydrochloride|2-Amino-2-(hydroxymethyl)propane-1,3-diol hydrochlor...
  2. Tris(hydroxymethyl)aminomethane (Tris base)
      Grade & Purity: 
    • ACS
    • ≥99.8%
    Cas#: 77-86-1       
    Formula:  C4H11NO3        Molecular Weight: 121.14
    IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol
    SMILES: C(C(CO)(CO)N)O
    InChIKey: LENZDBCJOHFCAS-UHFFFAOYSA-N
    InChI: InChI=1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
    Synonyms: Triladyl | Tris-hydroxymethyl-aminomethan [German] | Trometamole | NSC65434 | Trometamolum | TROMETHAMINE (II) | CAS-...
  3. Tris(hydroxymethyl)aminomethane (TRIS, Trometamol)
    Cas#: 77-86-1       
    Formula:  C4H11NO3        Molecular Weight: 121.14
    IUPAC Name: 2-amino-2-(hydroxymethyl)propane-1,3-diol
    SMILES: C(C(CO)(CO)N)O
    InChIKey: LENZDBCJOHFCAS-UHFFFAOYSA-N
    InChI: InChI=1S/C4H11NO3/c5-4(1-6,2-7)3-8/h6-8H,1-3,5H2
    Synonyms: Triladyl | Tris-hydroxymethyl-aminomethan [German] | Trometamole | NSC65434 | Trometamolum | TROMETHAMINE (II) | CAS-...
  4. Sodium phosphate monobasic
    Cas#: 7558-80-7       
    Formula:  NaH2PO4        Molecular Weight: 119.98
    IUPAC Name: sodium;dihydrogen phosphate
    SMILES: OP(=O)(O)[O-].[Na+]
    InChIKey: AJPJDKMHJJGVTQ-UHFFFAOYSA-M
    InChI: InChI=1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
    Synonyms: 3 | NaH2PO4 | SODIUM PHOSPHATE, MONOBASIC, ANHYDROUS [II] | Sodium phosphate monobasic, USP, 98.0-103.0% | 2-Methyl-3...
  5. Sodium phosphate dibasic
    Cas#: 7558-79-4       
    Formula:  Na2HPO4        Molecular Weight: 141.96
    IUPAC Name: disodium;hydrogen phosphate
    SMILES: OP(=O)([O-])[O-].[Na+].[Na+]
    InChIKey: BNIILDVGGAEEIG-UHFFFAOYSA-L
    InChI: InChI=1S/2Na.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
    Synonyms: Disodium hydrogen orthophosphate | Disodium phosphoric acid | FEMA No. 2398 | OSMOPREP COMPONENT SODIUM PHOSPHATE, DI...
  6. Potassium phosphate monobasic
    Cas#: 7778-77-0        Compound CID:  516951
    Formula:  KH2PO4        Molecular Weight: 136.09
    IUPAC Name: potassium;dihydrogen phosphate
    SMILES: OP(=O)(O)[O-].[K+]
    InChIKey: GNSKLFRGEWLPPA-UHFFFAOYSA-M
    InChI: InChI=1S/K.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
    Synonyms: 2-chloromethyl-4-methoxy-3,5-dimethyl-pyridine HCl | Potassium Dihydrogen Phosphate,(S) | POTASSIUM PHOSPHATE, MONOBA...
  7. Potassium phosphate dibasic
    Cas#: 7758-11-4       
    Formula:  K2HPO4        Molecular Weight: 174.18
    IUPAC Name: dipotassium;hydrogen phosphate
    SMILES: OP(=O)([O-])[O-].[K+].[K+]
    InChIKey: ZPWVASYFFYYZEW-UHFFFAOYSA-L
    InChI: InChI=1S/2K.H3O4P/c;;1-5(2,3)4/h;;(H3,1,2,3,4)/q2*+1;/p-2
    Synonyms: Dipotassium hydrogen orthophosphate | DI-POTASSIUM HYDROGEN ORTHOPHOSPHATE | dipotassium;hydrogen phosphate | EC 231-...
  8. 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...
  9. Calcium acetate hydrate
    Cas#: 114460-21-8        Compound CID:  82163
    Formula:  (CH3COO)2Ca · xH2O        Molecular Weight: 158.17 (anhydrous basis)
    SMILES: CC(=O)O[Ca]OC(C)=O
    Synonyms: CALCIUM ACETATE HYDROUS [WHO-DD] | calcium acetate--water (1/1) | Calcium acetate monohydrate, ACS | 7ZA48GIM5H | CAL...
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