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Biological Buffers

97
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  • Imidazole

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    1,3-Diaza-2,4-cyclopentadiene
    Hazmat
    Catalog Number:
    00418
    CAS Number:
    288-32-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005183
    Molecular Formula:
    C3H4N2
    Molecular Weight:
    0
  • 2-Amino-2-(hydroxymethyl)-1,3-propanediol

    Grade:
    Molecular biology grade
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Tris(hydroxymethyl)aminomethane
    Catalog Number:
    00301
    Grade:
    Molecular biology grade
    CAS Number:
    77-86-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00004679
    Molecular Formula:
    C4H11NO3
    Molecular Weight:
    121.1
  • 2,2-Bis(hydroxymethyl)-2,2',2"-nitrilotriethanol

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Bis-Tris buffer
    Catalog Number:
    00034
    CAS Number:
    6976-37-0
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00002853
    Molecular Formula:
    C8H19NO5
    Molecular Weight:
    209.24
  • 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid

    Grade:
    Molecular biology grade
    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    HEPES
    Catalog Number:
    37111
    Grade:
    Molecular biology grade
    CAS Number:
    7365-45-9
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00006158
    Molecular Formula:
    C8H18N2O4S
    Molecular Weight:
    238.3
  • 3-N-Morpholinopropanesulfonic acid

    Grade:
    Molecular biology grade
    Purity:
    ≥ 99.5% (Titration)
    Synonym:
    3-Morpholinopropanesulfonic acid
    Catalog Number:
    29811
    Grade:
    Molecular biology grade
    CAS Number:
    1132-61-2
    Purity Limit:
    ≥ 99.5% (Titration)
    MDL NO:
    MFCD00006183
    Molecular Formula:
    C7H15NO4S
    Molecular Weight:
    209.3
  • N,N-bisHydroxyethyl)-2-aminoethanesulfonic acid

    Purity:
    99 - 100% (Assay by titration)
    Synonym:
    BES
    Catalog Number:
    01157
    CAS Number:
    10191-18-1
    Purity Limit:
    99 - 100% (Assay by titration)
    MDL NO:
    MFCD00007533
    Molecular Formula:
    C6H15NO5S
    Molecular Weight:
    213.25
  • HEPBS

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N-(2-Hydroxyethyl)piperazine-N'-(4-butanesulfonicacid)
    Catalog Number:
    38789
    CAS Number:
    161308-36-7
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00677124
    Molecular Formula:
    C10H22N2O4S
    Molecular Weight:
    266.36
  • MES Monohydrate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    2-(N-Morpholino)ethanesulfonic acid monohydrate
    Catalog Number:
    21885
    CAS Number:
    145224-94-8
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00149409
    Molecular Formula:
    C6H13NO4S·H2O
    Molecular Weight:
    213.25
  • L(+)-Tartaric acid

    Grade:
    ACS reagent
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    L-2,3-Dihydroxybutanedioic acid
    Catalog Number:
    01635
    Grade:
    ACS reagent
    CAS Number:
    87-69-4
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00064207
    Molecular Formula:
    C4H6O6
    Molecular Weight:
    150.09
  • 2-(Cyclohexylamino)ethanesulfonic acid

    Purity:
    ≥ 99% (Titration)
    Synonym:
    CHES
    Catalog Number:
    01163
    CAS Number:
    103-47-9
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00003835
    Molecular Formula:
    C8H17NO3S
    Molecular Weight:
    207.29
  • 2-Morpholinoethanesulfonic acid Low moisture content

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-(N-Morpholino)ethanesulfonic acid
    Catalog Number:
    00211
    CAS Number:
    4432-31-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00006181
    Molecular Formula:
    C6H13NO4S
    Molecular Weight:
    195.24
  • N-tris(Hydroxymethyl)methyl-2-aminoethane-sulfonic acid

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    TES
    Catalog Number:
    00286
    CAS Number:
    7365-44-8
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00007532
    Molecular Formula:
    C6H15NO6S
    Molecular Weight:
    229.25
  • 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid sodium salt

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    HEPES sodium salt
    Catalog Number:
    00175
    CAS Number:
    75277-39-3
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00036463
    Molecular Formula:
    C8H17N2O4SNa
    Molecular Weight:
    260.3
  • 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid

    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    HEPES
    Catalog Number:
    00174
    CAS Number:
    7365-45-9
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00006158
    Molecular Formula:
    C8H18N2O4S
    Molecular Weight:
    238.3
  • N-(2-Acetamido)-2-aminoethanesulfonic acid

    Purity:
    ≥ 99% (titration)
    Synonym:
    Aces buffer
    Catalog Number:
    00002
    CAS Number:
    7365-82-4
    Purity Limit:
    ≥ 99% (titration)
    MDL NO:
    MFCD00008030
    Molecular Formula:
    C4H10N2O4S
    Molecular Weight:
    182.2
  • MES sodium salt

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration , HPLC)
    Synonym:
    2-Morpholinoethanesulfonic acid sodium salt
    Catalog Number:
    38767
    Grade:
    suitable for cell culture
    CAS Number:
    71119-23-8
    Purity Limit:
    ≥ 99% (Assay by titration , HPLC)
    MDL NO:
    MFCD00065473
    Molecular Formula:
    C6H12NO4SNa
    Molecular Weight:
    217.2
  • HEPES sodium salt

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid) sodiumsalt
    Catalog Number:
    38764
    Grade:
    suitable for cell culture
    CAS Number:
    75277-39-3
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00036463
    Molecular Formula:
    C8H17N2O4SNa
    Molecular Weight:
    260.3
  • Tricine

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N-[2-Hydroxy-1,1-bis(hydroxymethyl)ethyl]glycine
    Catalog Number:
    38780
    Grade:
    suitable for cell culture
    CAS Number:
    5704-04-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00004277
    Molecular Formula:
    C6H13NO5
    Molecular Weight:
    179.2
  • MOPS sodium salt

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration , HPLC)
    Synonym:
    3-N-Morpholinopropanesulfonic acid sodium salt
    Catalog Number:
    38768
    Grade:
    suitable for cell culture
    CAS Number:
    71119-22-7
    Purity Limit:
    ≥ 99% (Assay by titration , HPLC)
    MDL NO:
    MFCD00064350
    Molecular Formula:
    C7H14NO4SNa
    Molecular Weight:
    231.2
  • Trizma hydrochloride

    Grade:
    Suitable for cell culture
    Purity:
    99 - 100% (Assay by titration)
    Synonym:
    2-Amino-2-(hydroxymethyl)-1,3-propanediol hydrochloride
    Catalog Number:
    38782
    Grade:
    Suitable for cell culture
    CAS Number:
    1185-53-1
    Purity Limit:
    99 - 100% (Assay by titration)
    MDL NO:
    MFCD00012590
    Molecular Formula:
    C4H12ClNO3
    Molecular Weight:
    157.6
  • MOPS

    Grade:
    Suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    3-Morpholinopropanesulfonic acid
    Catalog Number:
    38769
    Grade:
    Suitable for cell culture
    CAS Number:
    1132-61-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00006183
    Molecular Formula:
    C7H15NO4S
    Molecular Weight:
    209.3
  • Bis-tris hydrochloride

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2,2-Bis(hydroxymethyl)-2,2',2″-nitrilotriethanol
    Catalog Number:
    38786
    CAS Number:
    124763-51-5
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00171252
    Molecular Formula:
    C8H20ClNO5
    Molecular Weight:
    245.7
  • Ammonium citrate tribasic

    Grade:
    FCC
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Citric acid triammonium salt
    Catalog Number:
    38785
    Grade:
    FCC
    CAS Number:
    3458-72-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00036406
    Molecular Formula:
    C6H17N3O7
    Molecular Weight:
    243.22
  • MES hydrate

    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    2-(N-Morpholino)ethanesulfonic acid hydrate
    Catalog Number:
    38790
    CAS Number:
    1266615-59-1
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00149409
    Molecular Formula:
    C6H13NO4S·xH2O
    Molecular Weight:
    195.24
  • Trizma base

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99.9% (Assay by titration on dried basis)
    Synonym:
    Trometamol
    Catalog Number:
    38781
    Grade:
    suitable for cell culture
    CAS Number:
    77-86-1
    Purity Limit:
    ≥ 99.9% (Assay by titration on dried basis)
    MDL NO:
    MFCD00004679
    Molecular Formula:
    C4H11NO3
    Molecular Weight:
    121.1
  • Sodium phosphate monobasic

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Monosodium phosphate
    Catalog Number:
    38776
    Grade:
    suitable for cell culture
    CAS Number:
    7558-80-7
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00003527
    Molecular Formula:
    NaH2PO4
    Molecular Weight:
    120.0
  • PIPES

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration , HPLC)
    Synonym:
    1,4-Piperazinediethanesulfonic acid
    Catalog Number:
    38770
    Grade:
    suitable for cell culture
    CAS Number:
    5625-37-6
    Purity Limit:
    ≥ 99% (Assay by titration , HPLC)
    MDL NO:
    MFCD00006159
    Molecular Formula:
    C8H18N2O6S2
    Molecular Weight:
    302.37
  • Sodium acetate powder

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay, trace metals basis)
    Synonym:
    Acetic acid sodium salt
    Catalog Number:
    38774
    Grade:
    suitable for cell culture
    CAS Number:
    127-09-3
    Purity Limit:
    ≥ 99% (Assay, trace metals basis)
    MDL NO:
    MFCD00012459
    Molecular Formula:
    C2H3O2Na
    Molecular Weight:
    82.03
  • Potassium phosphate monobasic powder

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Monopotassium phosphate
    Catalog Number:
    38773
    Grade:
    suitable for cell culture
    CAS Number:
    7778-77-0
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00011401
    Molecular Formula:
    KH2PO4
    Molecular Weight:
    136.09
  • AMPSO

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N-(1,1-Dimethyl-2-hydroxyethyl)-3-amino-2-hydroxypropanesulfonicacid
    Catalog Number:
    38784
    CAS Number:
    68399-79-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00041777
    Molecular Formula:
    C7H17NO5S
    Molecular Weight:
    227.28
  • BES

    Grade:
    Suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-[bis(2-Hydroxyethyl)amino]ethanesulfonic acid
    Catalog Number:
    38755
    Grade:
    Suitable for cell culture
    CAS Number:
    10191-18-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00007533
    Molecular Formula:
    C6H15NO5S
    Molecular Weight:
    213.25
  • Gly-Gly

    Grade:
    suitable for cell culture
    Purity:
    98.0 - 100.5% (Assay by titration)
    Synonym:
    Glycylglycine
    Catalog Number:
    38763
    Grade:
    suitable for cell culture
    CAS Number:
    556-50-3
    Purity Limit:
    98.0 - 100.5% (Assay by titration)
    MDL NO:
    MFCD00008130
    Molecular Formula:
    C4H8N2O3
    Molecular Weight:
    132.12
  • Sodium phosphate dibasic

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Sodium phosphate dibasic
    Catalog Number:
    38775
    Grade:
    suitable for cell culture
    CAS Number:
    7558-79-4
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00003496
    Molecular Formula:
    Na2HPO4
    Molecular Weight:
    141.96
  • HEPES

    Grade:
    Suitable for cell culture
    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    N-(2-Hydroxyethyl)piperazine-N'-(2-ethanesulfonic acid)
    Catalog Number:
    38765
    Grade:
    Suitable for cell culture
    CAS Number:
    7365-45-9
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00006158
    Molecular Formula:
    C8H18N2O4S
    Molecular Weight:
    238.3
  • TES

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration , HPLC)
    Synonym:
    2-[(2-Hydroxy-1,1-bis(hydroxymethyl)ethyl)amino]ethanesulfonicacid
    Catalog Number:
    38779
    Grade:
    suitable for cell culture
    CAS Number:
    7365-44-8
    Purity Limit:
    ≥ 99% (Assay by titration , HPLC)
    MDL NO:
    MFCD00007532
    Molecular Formula:
    C6H15NO6S
    Molecular Weight:
    229.25
  • TAPS

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    [2-Hydroxy-1,1-bis(hydroxymethyl)ethyl]amino-1-propanesulfonicacid
    Catalog Number:
    38778
    Grade:
    suitable for cell culture
    CAS Number:
    29915-38-6
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00007538
    Molecular Formula:
    C7H17NO6S
    Molecular Weight:
    243.28
  • MES hydrate

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    2-(N-Morpholino)ethanesulfonic acid hydrate
    Catalog Number:
    38766
    Grade:
    suitable for cell culture
    CAS Number:
    1266615-59-1
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00149409
    Molecular Formula:
    C6H13NO4S·xH2O
    Molecular Weight:
    195.24
  • TAPS sodium salt

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N-tris(Hydroxymethyl)methyl-3-aminopropanesulfonic acid sodiumsalt
    Catalog Number:
    38777
    Grade:
    suitable for cell culture
    CAS Number:
    91000-53-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00069903
    Molecular Formula:
    C7H16NO6SNa
    Molecular Weight:
    265.3
  • Bis-tris

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration , HPLC)
    Synonym:
    ["2
    Catalog Number:
    38757
    Grade:
    suitable for cell culture
    CAS Number:
    6976-37-0
    Purity Limit:
    ≥ 99% (Assay by titration , HPLC)
    MDL NO:
    MFCD00002853
    Molecular Formula:
    C8H19NO5
    Molecular Weight:
    209.24
  • Ethylenediaminetetraacetic acid anhydrous, crystalline

    Hazmat
    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    (Ethylenedinitrilo)tetraacetic acid
    Hazmat
    Catalog Number:
    38762
    Grade:
    suitable for cell culture
    CAS Number:
    60-00-4
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00003541
    Molecular Formula:
    C10H16N2O8
    Molecular Weight:
    0
  • ACES

    Grade:
    Suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N-(2-Acetamido)-2-aminoethanesulfonic acid
    Catalog Number:
    38754
    Grade:
    Suitable for cell culture
    CAS Number:
    7365-82-4
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00008030
    Molecular Formula:
    C4H10N2O4S
    Molecular Weight:
    182.2
  • Potassium chloride powder

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Catalog Number:
    38771
    Grade:
    suitable for cell culture
    CAS Number:
    7447-40-7
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00011360
    Molecular Formula:
    KCl
    Molecular Weight:
    74.55
  • MOBS

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    4-(N-Morpholino)butanesulfonic acid
    Catalog Number:
    38791
    CAS Number:
    115724-21-5
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00674916
    Molecular Formula:
    C8H17NO4S
    Molecular Weight:
    223.29
  • Potassium citrate tribasic monohydrate

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Citric acid tripotassium salt monohydrate
    Catalog Number:
    38772
    Grade:
    suitable for cell culture
    CAS Number:
    6100-05-6
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00150442
    Molecular Formula:
    K3C6H5O7·H2O
    Molecular Weight:
    324.42
  • Boric acid

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Boracic acid
    Catalog Number:
    38758
    Grade:
    suitable for cell culture
    CAS Number:
    10043-35-3
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00011337
    Molecular Formula:
    H3BO3
    Molecular Weight:
    61.83
  • Bis-tris propane

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    1,3-Bis(tris(hydroxymethyl)methylamino)propane
    Catalog Number:
    38756
    Grade:
    suitable for cell culture
    CAS Number:
    64431-96-5
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00004689
    Molecular Formula:
    C11H26N2O6
    Molecular Weight:
    282.34
  • EPPS

    Grade:
    suitable for cell culture
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    HEPPS
    Catalog Number:
    38760
    Grade:
    suitable for cell culture
    CAS Number:
    16052-06-5
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00006160
    Molecular Formula:
    C9H20N2O4S
    Molecular Weight:
    252.33