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Bifunctional Crosslinkers

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  • 5-Azidopentanoic acid

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

  • 3-Butynoic acid

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    But-3-ynoic acid
    Hazmat
    Catalog Number:
    28620
    CAS Number:
    2345-51-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD02258494
    Molecular Formula:
    C4H4O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 4-Pentynoic acid

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Propargylacetic acid
    Hazmat
    Catalog Number:
    26911
    CAS Number:
    6089-09-4
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00004407
    Molecular Formula:
    C5H6O2
    Molecular Weight:
    0
    Specification Sheet SDS

  • 6-(N-Boc)caproic acid NHS

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    23116
    CAS Number:
    51513-80-5
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00237379
    Molecular Formula:
    C15H24N2O6
    Molecular Weight:
    328.36
    Specification Sheet SDS

  • DL-α-Lipoic acid NHS

    Purity:
    ≥ 99% (NMR)
    Catalog Number:
    23119
    CAS Number:
    40846-94-4
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD09028032
    Molecular Formula:
    C12H17O4S2N
    Molecular Weight:
    303.4
    Specification Sheet SDS

  • Disuccinimidyl-L-tartrate

    Purity:
    99%
    Synonym:
    DST
    Catalog Number:
    23108
    CAS Number:
    62069-75-4
    Purity Limit:
    99%
    MDL NO:
    MFCD03788224
    Molecular Formula:
    C12H12N2O10
    Molecular Weight:
    344.23
    SDS

  • 4-(N-Succinimidylcarboxy)benzophenone

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

  • 1,4-Bis-maleimidobutane

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

  • Disuccinimidyl sebacate

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

  • ε-Maleimidocaproic acid hydrazide trifluoroacetic acid

    Purity:
    ≥ 97% (NMR)
    Synonym:
    EMCH·TFA
    Catalog Number:
    23096
    CAS Number:
    151038-94-7
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD07357647
    Molecular Formula:
    C10H15N3O3·CF3CO2H
    Molecular Weight:
    339.27
    Specification Sheet SDS

  • 1,8-Bis-maleimido-(PEO)3

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    BMPEO3
    Catalog Number:
    23095
    CAS Number:
    115597-84-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD01096749
    Molecular Formula:
    C14H16N2O6
    Molecular Weight:
    308.29
    Specification Sheet SDS

  • 11-Maleimidoundecanoic acid sulfo-NHS

    Purity:
    99%
    Synonym:
    Sulfo-KMUS
    Catalog Number:
    23082
    CAS Number:
    211236-68-9
    Purity Limit:
    99%
    MDL NO:
    MFCD01075057
    Molecular Formula:
    C19H25N2O9SNa
    Molecular Weight:
    485.47
    SDS

  • 1,6-Bis-maleimidohexane

    Purity:
    ≥ 98.0% (HPLC)
    Synonym:
    1,6-Hexane dimaleimide
    Catalog Number:
    23071
    CAS Number:
    4856-87-5
    Purity Limit:
    ≥ 98.0% (HPLC)
    MDL NO:
    MFCD00047122
    Molecular Formula:
    C14H16N2O4
    Molecular Weight:
    276.29
    Specification Sheet SDS

  • β-Maleimidopropionic acid hydrazide

    Purity:
    99%
    Synonym:
    BMPH
    Catalog Number:
    23065
    CAS Number:
    359436-61-6
    Purity Limit:
    99%
    MDL NO:
    MFCD05865035
    Molecular Formula:
    C7H10N3O3·CF3CO2H
    Molecular Weight:
    297.19
    SDS

  • 1,11-Bis-Maleimido-(PEO)4

    Purity:
    ≥ 99% (NMR)
    Synonym:
    BMPEO4
    Catalog Number:
    23057
    CAS Number:
    86099-06-1
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD01863352
    Molecular Formula:
    C16H20N2O7
    Molecular Weight:
    352.34
    Specification Sheet SDS

  • Succinimidyl 4-(p-maleimidophenyl)butyrate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    SMPB
    Catalog Number:
    23029
    CAS Number:
    79886-55-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00054961
    Molecular Formula:
    C18H16N2O6
    Molecular Weight:
    356.32
    Specification Sheet SDS

  • (PEO)4-bis-amine

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    23036
    CAS Number:
    929-75-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00628164
    Molecular Formula:
    C8H20N2O3
    Molecular Weight:
    192.25
    Specification Sheet SDS

  • (PEO)3-Bis-amine  

    Purity:
    ≥ 99% (GC)
    Synonym:
    1,2-Bis(2-aminoethoxy)ethane
    Catalog Number:
    23035
    CAS Number:
    929-59-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00040474
    Molecular Formula:
    C6H16N2O2
    Molecular Weight:
    148.21
    Specification Sheet SDS

  • Sulfo-N-succinimidyl 4-(maleimidomethyl)cyclohexane-1-carboxylate sodium salt

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    Sulfo-SMCC
    Catalog Number:
    23033
    CAS Number:
    92921-24-9
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00054978
    Molecular Formula:
    C16H17N2O9SNa
    Molecular Weight:
    436.37
    Specification Sheet SDS

  • 4-Maleimidobutyric acid -NHS ester

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

  • N-Succinimidyl 4-(maleimidomethyl)cyclohexane-1-carboxylate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    SMCC
    Catalog Number:
    23020
    CAS Number:
    64987-85-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00009634
    Molecular Formula:
    C16H18N2O6
    Molecular Weight:
    334.33
    Specification Sheet SDS

  • Dithio-bis-succinimidyl propionate (Lomant's Reagent)

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3,3'-Dithiobis(succinimidyl propionate)
    Catalog Number:
    23013
    CAS Number:
    57757-57-0
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00042045
    Molecular Formula:
    C14H16N2S2O8
    Molecular Weight:
    404.42
    Specification Sheet SDS

  • Succinimidyl-p-formylbenzoate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    SFB
    Catalog Number:
    23015
    CAS Number:
    60444-78-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00133733
    Molecular Formula:
    C12H9NO5
    Molecular Weight:
    247.19
    Specification Sheet SDS

  • 4-Maleimidobutyric acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    N-(3-Carboxypropyl)maleimide
    Catalog Number:
    23012
    CAS Number:
    57078-98-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00043139
    Molecular Formula:
    C8H9NO4
    Molecular Weight:
    183.2
    Specification Sheet SDS

  • N-(5-Azido-2-nitrobenzoyloxy)succinimide

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

  • 3-Maleimidopropionic acid NHS

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    BMPS
    Catalog Number:
    23010
    CAS Number:
    55750-62-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043141
    Molecular Formula:
    C11H10N2O6
    Molecular Weight:
    266.21
    Specification Sheet SDS

  • α-Maleimidoacetic acid-NHS

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    AMAS
    Catalog Number:
    23009
    CAS Number:
    55750-61-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00133523
    Molecular Formula:
    C10H8N2O6
    Molecular Weight:
    252.18
    Specification Sheet SDS

  • 6-Maleimidocaproic acid

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

  • Succinimidyl bromoacetate

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

  • Fmoc-21-amino-4,7,10,13,16,19-hexaoxaheneicosanoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-NH-(PEG)5-COOH
    Catalog Number:
    22669
    CAS Number:
    882847-34-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06656474
    Molecular Formula:
    C30H41NO10
    Molecular Weight:
    575.66
    Specification Sheet SDS

  • 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
    CAS Number:
    882847-13-4
    Purity Limit:
    ≥ 97% (TLC)
    MDL NO:
    MFCD07781255
    Molecular Formula:
    C20H39NO10
    Molecular Weight:
    453.53
    Specification Sheet SDS

  • Adipic dihydrazide

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

  • 2-Aminoethanethiol

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-Mercaptoethylamine
    Catalog Number:
    21200
    CAS Number:
    60-23-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00008196
    Molecular Formula:
    C2H7NS
    Molecular Weight:
    77.15
    Specification Sheet SDS

  • 3-Maleimido-propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Maleoyl-β-alanine
    Catalog Number:
    14709
    CAS Number:
    7423-55-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043030
    Molecular Formula:
    C7H7NO4
    Molecular Weight:
    169.14
    Specification Sheet SDS

  • 3-(Fmoc-amino)-1-propanol

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

  • Fmoc-β-alaninol

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-3-aminopropanol
    Catalog Number:
    12560
    CAS Number:
    157887-82-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00409484
    Molecular Formula:
    C18H19NO3
    Molecular Weight:
    297.4
    Specification Sheet SDS

  • Boc-1-amino-3,6-dioxa-8-octanediamine

    Purity:
    97 - 100% (Assay by titration)
    Synonym:
    N-Boc-2,2'-(ethylenedioxy)diethylamine
    Catalog Number:
    11810
    CAS Number:
    153086-78-3
    Purity Limit:
    97 - 100% (Assay by titration)
    MDL NO:
    MFCD03788155
    Molecular Formula:
    C11H24N2O4
    Molecular Weight:
    0
    Specification Sheet SDS

  • 3-(2-Pyridyldithio)propionic acid N-hydroxyuccinimide ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    N-Succinimidyl-3-(2-pyridyldithio)propionanate
    Catalog Number:
    11566
    CAS Number:
    68181-17-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00009636
    Molecular Formula:
    C12H12N2O4S2
    Molecular Weight:
    312.37
    Specification Sheet SDS

  • 4-(1-Azi-2,2,2-trifluoroethyl)benzoic acid

    Purity:
    ≥ 97% (NMR)
    Synonym:
    p-(3-(Trifluoromethyl)-3H-diazirin-3-yl)benzoic acid
    Catalog Number:
    10618
    CAS Number:
    85559-46-2
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00236809
    Molecular Formula:
    C9H5F3N2O2
    Molecular Weight:
    230.15
    Specification Sheet SDS

  • S-Acetyl-3-mercaptopropionic acid-N-hydroxysuccinimide ester

    Purity:
    ≥ 97% (NMR)
    Synonym:
    N-Succinimidyl-S-acetylthiopropionate
    Catalog Number:
    09911
    CAS Number:
    84271-78-3
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00133023
    Molecular Formula:
    C9H11NO5S
    Molecular Weight:
    245.26
    Specification Sheet SDS

  • Fmoc-8-amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    {2-[2-(Fmoc-amino)ethoxy]ethoxy}acetic acid
    Catalog Number:
    07310
    CAS Number:
    166108-71-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01321015
    Molecular Formula:
    C21H23NO6
    Molecular Weight:
    385.42
    Specification Sheet SDS

  • Boc-6-aminohexanoic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-6-aminocaproic acid N-hydroxysuccinimide ester
    Catalog Number:
    03945
    CAS Number:
    51513-80-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00237379
    Molecular Formula:
    C15H24N2O6
    Molecular Weight:
    328.4
    Specification Sheet SDS

  • Dimethyl pimelimidate dihydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Pimelimidic acid dimethyl ester dihydrochloride
    Catalog Number:
    02305
    CAS Number:
    58537-94-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00038942
    Molecular Formula:
    C9H18N2O2·2HCl
    Molecular Weight:
    259.17
    Specification Sheet SDS

  • Z-6-aminohexanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-6-aminocaproic acid
    Catalog Number:
    02128
    CAS Number:
    1947-00-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00004423
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.3
    Specification Sheet SDS

  • 3-Maleimidobenzoic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Maleimidobenzoic acid N-succinimidyl ester
    Catalog Number:
    01736
    CAS Number:
    58626-38-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005514
    Molecular Formula:
    C15H10N2O6
    Molecular Weight:
    314.26
    Specification Sheet SDS

  • Thioglycolic acid

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    Mercaptoacetic acid
    Hazmat
    Catalog Number:
    01637
    CAS Number:
    68-11-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00004876
    Molecular Formula:
    C2H4O2S
    Molecular Weight:
    0
    Specification Sheet SDS
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