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Chemical Biology

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  • DL-a-Lipoic acid

    Grade:
    Meets USP specification
    Purity:
    99 - 101% (Assay)
    Synonym:
    (+/-)-1,2-Dithiolane-3-pentanoic acid
    Catalog Number:
    29862
    Grade:
    Meets USP specification
    Purity Limit:
    99 - 101% (Assay)
    CAS Number:
    1077-28-7
    MDL NO:
    MFCD00005474
    Molecular Formula:
    C8H14O2S2
    Molecular Weight:
    206.33
  • 15-Azido-4,7,10,13-tetraoxapentadecanoic acid

    Purity:
    ≥ 97% (NMR)
    Synonym:
    N3-(PEG)4-COOH
    Catalog Number:
    29577
    Purity Limit:
    ≥ 97% (NMR)
    CAS Number:
    1257063-35-6
    MDL NO:
    MFCD12406155
    Molecular Formula:
    C11H21N3O6
    Molecular Weight:
    291.3
  • 5-Azidopentanoic acid

    Purity:
    ≥ 98%
    Synonym:
    5-Azidovalerianic acid
    Catalog Number:
    29347
    Purity Limit:
    ≥ 98%
    CAS Number:
    79583-98-5
    MDL NO:
    MFCD11850108
    Molecular Formula:
    C5H9N3O2
    Molecular Weight:
    143.15
  • 3-Butynoic acid

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    But-3-ynoic acid
    Hazmat
    Catalog Number:
    28620
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    2345-51-9
    MDL NO:
    MFCD02258494
    Molecular Formula:
    C4H4O2
    Molecular Weight:
    84.07
  • Catalog Number:
    27943
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    4101-32-0
    MDL NO:
    MFCD00130048
    Molecular Formula:
    C10H11NO5
    Molecular Weight:
    225.2
  • 4-Pentynoic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Propargylacetic acid
    Hazmat
    Catalog Number:
    26911
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    6089-09-4
    MDL NO:
    MFCD00004407
    Molecular Formula:
    C5H6O2
    Molecular Weight:
    98.1
  • Triethylenediamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,4-Diazabicyclo[2.2.2]octane
    Hazmat
    Catalog Number:
    24521
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    280-57-9
    MDL NO:
    MFCD00006689
    Molecular Formula:
    C6H12N2
    Molecular Weight:
    112.18
  • 6-Maleimidocaproic acid (2-nitro-4-sulfo) phenyl ester sodium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Mal-cap-NPSA
    Catalog Number:
    23149
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    101554-76-1
    MDL NO:
    MFCD00236937
    Molecular Formula:
    C16H15N2O9SNa
    Molecular Weight:
    434.35
  • Succinimidyl-4-azido-2,3,5,6-tetrafluorobenzoate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    4-Azido-2,3,5,6-tetrafluorobenzoic acid-N-succinimidyl ester
    Catalog Number:
    23141
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    126695-58-7
    MDL NO:
    MFCD00467437
    Molecular Formula:
    C11H4N4O4F4
    Molecular Weight:
    332.17
  • 6-(N-Boc)caproic acid NHS

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    23116
    Purity Limit:
    ≥ 98% (TLC)
    CAS Number:
    51513-80-5
    MDL NO:
    MFCD00237379
    Molecular Formula:
    C15H24N2O6
    Molecular Weight:
    328.36
  • Disuccinimidyl-L-tartrate

    Purity:
    99%
    Synonym:
    DST
    Catalog Number:
    23108
    Purity Limit:
    99%
    CAS Number:
    62069-75-4
    MDL NO:
    MFCD03788224
    Molecular Formula:
    C12H12N2O10
    Molecular Weight:
    344.23
  • DL-α-Lipoic acid NHS

    Purity:
    ≥ 99% (NMR)
    Catalog Number:
    23119
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    40846-94-4
    MDL NO:
    MFCD09028032
    Molecular Formula:
    C12H17O4S2N
    Molecular Weight:
    303.4
  • 1,4-Bis-maleimidobutane

    Purity:
    ≥ 99% (NMR)
    Synonym:
    N,N-(Tetramethylene)dimaleimide
    Catalog Number:
    23109
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    28537-70-4
    MDL NO:
    MFCD01318342
    Molecular Formula:
    C12H12N2O4
    Molecular Weight:
    248.24
  • 4-(N-Succinimidylcarboxy)benzophenone

    Purity:
    ≥ 99% (NMR)
    Synonym:
    4-Benzoylbenzoic acid succinimidyl ester
    Catalog Number:
    23111
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    91990-88-4
    MDL NO:
    MFCD00058572
    Molecular Formula:
    C18H13NO5
    Molecular Weight:
    323.3
  • Disuccinimidyl sebacate

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Sebacic acid bis(N-succinimidyl) ester
    Catalog Number:
    23104
    Purity Limit:
    ≥ 98% (NMR)
    CAS Number:
    23024-29-5
    MDL NO:
    MFCD00216005
    Molecular Formula:
    C18H24N2O8
    Molecular Weight:
    396.39
  • ε-Maleimidocaproic acid hydrazide trifluoroacetic acid

    Purity:
    ≥ 97% (NMR)
    Synonym:
    EMCH·TFA
    Catalog Number:
    23096
    Purity Limit:
    ≥ 97% (NMR)
    CAS Number:
    151038-94-7
    MDL NO:
    MFCD07357647
    Molecular Formula:
    C10H15N3O3·CF3CO2H
    Molecular Weight:
    339.27
  • 1,8-Bis-maleimido-(PEO)3

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    BMPEO3
    Catalog Number:
    23095
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    115597-84-7
    MDL NO:
    MFCD01096749
    Molecular Formula:
    C14H16N2O6
    Molecular Weight:
    308.29
  • 11-Maleimidoundecanoic acid sulfo-NHS

    Purity:
    99%
    Synonym:
    Sulfo-KMUS
    Catalog Number:
    23082
    Purity Limit:
    99%
    CAS Number:
    211236-68-9
    MDL NO:
    MFCD01075057
    Molecular Formula:
    C19H25N2O9SNa
    Molecular Weight:
    485.47
  • 1,6-Bis-maleimidohexane

    Purity:
    ≥ 98.0% (HPLC)
    Synonym:
    1,6-Hexane dimaleimide
    Catalog Number:
    23071
    Purity Limit:
    ≥ 98.0% (HPLC)
    CAS Number:
    4856-87-5
    MDL NO:
    MFCD00047122
    Molecular Formula:
    C14H16N2O4
    Molecular Weight:
    276.29
  • β-Maleimidopropionic acid hydrazide

    Purity:
    99%
    Synonym:
    BMPH
    Catalog Number:
    23065
    Purity Limit:
    99%
    CAS Number:
    359436-61-6
    MDL NO:
    MFCD05865035
    Molecular Formula:
    C7H10N3O3·CF3CO2H
    Molecular Weight:
    297.19
  • 1,11-Bis-Maleimido-(PEO)4

    Purity:
    ≥ 99% (NMR)
    Synonym:
    BMPEO4
    Catalog Number:
    23057
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    86099-06-1
    MDL NO:
    MFCD01863352
    Molecular Formula:
    C16H20N2O7
    Molecular Weight:
    352.34
  • Catalog Number:
    23049
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    125559-00-4
    MDL NO:
    MFCD01863459
    Molecular Formula:
    C22H29N3O7
    Molecular Weight:
    447.44
  • Succinimidyl 4-(p-maleimidophenyl)butyrate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    SMPB
    Catalog Number:
    23029
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    79886-55-8
    MDL NO:
    MFCD00054961
    Molecular Formula:
    C18H16N2O6
    Molecular Weight:
    356.32
  • (PEO)4-bis-amine

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    23036
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    929-75-9
    MDL NO:
    MFCD00628164
    Molecular Formula:
    C8H20N2O3
    Molecular Weight:
    192.25
  • (PEO)3-Bis-amine  

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,2-Bis(2-aminoethoxy)ethane
    Catalog Number:
    23035
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    929-59-9
    MDL NO:
    MFCD00040474
    Molecular Formula:
    C6H16N2O2
    Molecular Weight:
    148.21
  • Catalog Number:
    23033
    Purity Limit:
    ≥ 96% (HPLC)
    CAS Number:
    92921-24-9
    MDL NO:
    MFCD00054978
    Molecular Formula:
    C16H17N2O9SNa
    Molecular Weight:
    436.37
  • 4-Maleimidobutyric acid -NHS ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    GMBS
    Catalog Number:
    23030
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    80307-12-6
    MDL NO:
    MFCD00036817
    Molecular Formula:
    C12H12N2O6
    Molecular Weight:
    280.24
  • Disuccinimidyl suberate

    Purity:
    ≥ 99% (NMR)
    Synonym:
    DSS
    Catalog Number:
    23025
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    68528-80-3
    MDL NO:
    MFCD00049059
    Molecular Formula:
    C16H20N2O8
    Molecular Weight:
    368.34
  • Catalog Number:
    23020
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    64987-85-5
    MDL NO:
    MFCD00009634
    Molecular Formula:
    C16H18N2O6
    Molecular Weight:
    334.33
  • Succinimidyl-p-formylbenzoate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    SFB
    Catalog Number:
    23015
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    60444-78-2
    MDL NO:
    MFCD00133733
    Molecular Formula:
    C12H9NO5
    Molecular Weight:
    247.19
  • 4-Maleimidobutyric acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    N-(3-Carboxypropyl)maleimide
    Catalog Number:
    23012
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    57078-98-5
    MDL NO:
    MFCD00043139
    Molecular Formula:
    C8H9NO4
    Molecular Weight:
    183.2
  • Dithio-bis-succinimidyl propionate (Lomant's Reagent)

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3,3'-Dithiobis(succinimidyl propionate)
    Catalog Number:
    23013
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    57757-57-0
    MDL NO:
    MFCD00042045
    Molecular Formula:
    C14H16N2S2O8
    Molecular Weight:
    404.42
  • N-(5-Azido-2-nitrobenzoyloxy)succinimide

    Purity:
    ≥ 99% (NMR)
    Synonym:
    ANB-NOS
    Catalog Number:
    23014
    Purity Limit:
    ≥ 99% (NMR)
    CAS Number:
    60117-35-3
    MDL NO:
    MFCD00054962
    Molecular Formula:
    C11H7N5O6
    Molecular Weight:
    305.21
  • 3-Maleimidopropionic acid NHS

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    BMPS
    Catalog Number:
    23010
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    55750-62-4
    MDL NO:
    MFCD00043141
    Molecular Formula:
    C11H10N2O6
    Molecular Weight:
    266.21
  • α-Maleimidoacetic acid-NHS

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    AMAS
    Catalog Number:
    23009
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    55750-61-3
    MDL NO:
    MFCD00133523
    Molecular Formula:
    C10H8N2O6
    Molecular Weight:
    252.18
  • 6-Maleimidocaproic acid

    Purity:
    ≥ 98%
    Synonym:
    EMCA
    Catalog Number:
    23008
    Purity Limit:
    ≥ 98%
    CAS Number:
    55750-53-3
    MDL NO:
    MFCD00043140
    Molecular Formula:
    C10H13NO4
    Molecular Weight:
    211.21
  • Succinimidyl bromoacetate

    Purity:
    ≥ 97%
    Synonym:
    SBA
    Catalog Number:
    22999
    Purity Limit:
    ≥ 97%
    CAS Number:
    42014-51-7
    MDL NO:
    MFCD00058571
    Molecular Formula:
    C6H6NO4Br
    Molecular Weight:
    237.0
  • Succinimidyl iodoacetate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    SIA
    Catalog Number:
    22998
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    39028-27-8
    MDL NO:
    MFCD00058451
    Molecular Formula:
    C6H6NO4I
    Molecular Weight:
    283.02
  • Boc-15-amino-4,7,10,13-tetraoxapentadecanoic acid

    Purity:
    ≥ 95%
    Synonym:
    15-(Boc-amino)-4,7,10,13-tetraoxapentadecanoic acid
    Catalog Number:
    22671
    Purity Limit:
    ≥ 95%
    CAS Number:
    756525-91-4
    MDL NO:
    MFCD07781254
    Molecular Formula:
    C16H31NO8
    Molecular Weight:
    365.42
  • Fmoc-21-amino-4,7,10,13,16,19-hexaoxaheneicosanoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-NH-(PEG)5-COOH
    Catalog Number:
    22669
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    882847-34-9
    MDL NO:
    MFCD06656474
    Molecular Formula:
    C30H41NO10
    Molecular Weight:
    575.66
  • Boc-21-amino-4,7,10,13,16,19-hexaoxaheneicosanoic acid

    Purity:
    ≥ 97% (TLC)
    Synonym:
    21-(Boc-amino)-4,7,10,13,16,19-hexaoxaheneicosanoic acid
    Catalog Number:
    22668
    Purity Limit:
    ≥ 97% (TLC)
    CAS Number:
    882847-13-4
    MDL NO:
    MFCD07781255
    Molecular Formula:
    C20H39NO10
    Molecular Weight:
    453.53
  • Adipic dihydrazide

    Purity:
    ≥ 99% (Liquid chromatography)
    Catalog Number:
    22264
    Purity Limit:
    ≥ 99% (Liquid chromatography)
    CAS Number:
    1071-93-8
    MDL NO:
    MFCD00007614
    Molecular Formula:
    C6H14N4O2
    Molecular Weight:
    174.2
  • 2-Aminoethanethiol

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-Mercaptoethylamine
    Catalog Number:
    21200
    Purity Limit:
    ≥ 99% (Assay by titration)
    CAS Number:
    60-23-1
    MDL NO:
    MFCD00008196
    Molecular Formula:
    C2H7NS
    Molecular Weight:
    77.15
  • Boc-1,5-diaminopentane

    Hazmat
    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-DAPe-OH
    Hazmat
    Catalog Number:
    16260
    Purity Limit:
    ≥ 98% (NMR)
    CAS Number:
    51644-96-3
    MDL NO:
    MFCD00210020
    Molecular Formula:
    ≥ 98% (NMR)
    Molecular Weight:
    202.3
  • Catalog Number:
    16182
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    166410-34-0, 210767-37-6
    MDL NO:
    MFCD00830742
    Molecular Formula:
    C18H20N2O2·HCl
    Molecular Weight:
    332.8
  • 3-Maleimido-propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Maleoyl-β-alanine
    Catalog Number:
    14709
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    7423-55-4
    MDL NO:
    MFCD00043030
    Molecular Formula:
    C7H7NO4
    Molecular Weight:
    169.14
  • 3-(Fmoc-amino)-1-propanol

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    9-Fluorenyl-methyl N-(3-hydroxypropyl)carbamate
    Catalog Number:
    12989
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    157887-82-6
    MDL NO:
    MFCD00409484
    Molecular Formula:
    C18H19NO3
    Molecular Weight:
    297.35
  • Fmoc-β-alaninol

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-3-aminopropanol
    Catalog Number:
    12560
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    157887-82-6
    MDL NO:
    MFCD00409484
    Molecular Formula:
    C18H19NO3
    Molecular Weight:
    297.4
  • Boc-1-amino-3,6-dioxa-8-octanediamine

    Purity:
    97 - 100% (Assay by titration)
    Synonym:
    N-Boc-2,2'-(ethylenedioxy)diethylamine
    Catalog Number:
    11810
    Purity Limit:
    97 - 100% (Assay by titration)
    CAS Number:
    153086-78-3
    MDL NO:
    MFCD03788155
    Molecular Formula:
    C11H24N2O4
    Molecular Weight:
    248.3