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Linkers & Crosslinkers

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  • 1,2-Bis(maleimido)ethane

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Ethylene-bis-maleimide
    Catalog Number:
    23078
    CAS Number:
    5132-30-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00458699
    Molecular Formula:
    C10H8N2O4
    Molecular Weight:
    220.18
    Specification Sheet SDS

  • 4,4'-Dithiodibutyric acid

    Purity:
    ≥ 95% (GC)
    Synonym:
    Bis(3-carboxypropyl) disulfide
    Catalog Number:
    39711
    CAS Number:
    2906-60-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00004406
    Molecular Formula:
    C8H14O4S2
    Molecular Weight:
    238.32
    Specification Sheet SDS

  • 6-Mercapto-1-hexanol

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    6-Hydroxy-1-hexanethiol
    Hazmat
    Catalog Number:
    39686
    CAS Number:
    1633-78-9
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00068552
    Molecular Formula:
    C6H14OS
    Molecular Weight:
    134.24
    Specification Sheet SDS

  • (R)-α-Lipoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (R)-Thioctic acid
    Catalog Number:
    39673
    CAS Number:
    1200-22-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01631142
    Molecular Formula:
    C8H14O2S2
    Molecular Weight:
    206.32
    Specification Sheet SDS

  • Octadecanedioic acid mono-tert-butyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    18-(tert-Butoxy)-18-oxooctadecanoic acid
    Catalog Number:
    37440
    CAS Number:
    843666-40-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD09991735
    Molecular Formula:
    C22H42O4
    Molecular Weight:
    370.57
    Specification Sheet SDS

  • Acrylic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Acryloxysuccinimide
    Catalog Number:
    36226
    CAS Number:
    38862-24-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00078261
    Molecular Formula:
    C7H7No4
    Molecular Weight:
    169.13
    Specification Sheet SDS

  • 3-Azidopropylamine

    Hazmat
    Purity:
    ≥ 95%
    Hazmat
    Catalog Number:
    35112
    CAS Number:
    88192-19-2
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD11046568
    Molecular Formula:
    C3H8N4
    Molecular Weight:
    100.12
    Specification Sheet SDS

  • N-Boc-1,3-diaminopropane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    N-(tert-Butoxycarbonyl)-1,3-diaminopropane
    Hazmat
    Catalog Number:
    31316
    CAS Number:
    75178-96-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00210021
    Molecular Formula:
    C8H18N2O2
    Molecular Weight:
    174.24
    Specification Sheet SDS

  • N-Succinimidyl 6-[[4-(maleimidomethyl)cyclohexyl]carboxamido]caproate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    LC-SMCC
    Catalog Number:
    23049
    CAS Number:
    125559-00-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01863459
    Molecular Formula:
    C22H29N3O7
    Molecular Weight:
    447.44
    Specification Sheet SDS

  • Dithio-bis-maleimidoethane

    Purity:
    ≥ 98%
    Synonym:
    DTME
    Catalog Number:
    23045
    CAS Number:
    71865-37-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01863385
    Molecular Formula:
    C12H12N2S2O4
    Molecular Weight:
    312.37
    Specification Sheet SDS

  • Disuccinimidyl suberate

    Purity:
    ≥ 99% (NMR)
    Synonym:
    DSS
    Catalog Number:
    23025
    CAS Number:
    68528-80-3
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD00049059
    Molecular Formula:
    C16H20N2O8
    Molecular Weight:
    368.34
    Specification Sheet SDS

  • Succinimidyl iodoacetate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    SIA
    Catalog Number:
    22998
    CAS Number:
    39028-27-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00058451
    Molecular Formula:
    C6H6NO4I
    Molecular Weight:
    283.02
    Specification Sheet SDS

  • Boc-15-amino-4,7,10,13-tetraoxapentadecanoic acid

    Purity:
    ≥ 95%
    Synonym:
    15-(Boc-amino)-4,7,10,13-tetraoxapentadecanoic acid
    Catalog Number:
    22671
    CAS Number:
    756525-91-4
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD07781254
    Molecular Formula:
    C16H31NO8
    Molecular Weight:
    365.42
    Specification Sheet SDS

  • 4-(4-Azidophenyl)butyric acid

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    10621
    CAS Number:
    103489-33-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00798800
    Molecular Formula:
    C10H11N3O2
    Molecular Weight:
    205.22
    Specification Sheet SDS

  • Fmoc-4-hydrazinobenzoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-(Fmoc-hydrazino)-benzoic acid
    Catalog Number:
    07339
    CAS Number:
    214475-53-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD02179643
    Molecular Formula:
    C22H18N2O4
    Molecular Weight:
    374.4
    Specification Sheet SDS

  • 6-Maleimidohexanoic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    6-Maleimidocaproic acid N-hydroxysuccinimide ester
    Catalog Number:
    05007
    CAS Number:
    55750-63-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043043
    Molecular Formula:
    C14H16N2O6
    Molecular Weight:
    308.3
    Specification Sheet SDS

  • 4-Benzoyl-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Bpa-OH
    Catalog Number:
    05110
    CAS Number:
    104504-45-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00238102
    Molecular Formula:
    C16H15NO3
    Molecular Weight:
    269.3
    Specification Sheet SDS

  • N-Succinimidyl 3-(diphenylphosphino)propionate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Diphenylphosphino)propionic acid N-succinimidyl ester
    Catalog Number:
    41697
    CAS Number:
    170278-50-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04114301
    Molecular Formula:
    C19H18NO4P
    Molecular Weight:
    355.33
    Specification Sheet SDS

  • N,N'-(Naphthalene-1,5-diyl)bis[2-(aminooxy)acetamide]

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    N1,N5-Bis(aminooxyacetyl)-1,5-diaminonaphthalene
    Catalog Number:
    39716
    CAS Number:
    1166232-68-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD32068076
    Molecular Formula:
    C14H16N4O4
    Molecular Weight:
    304.31
    Specification Sheet SDS

  • Mono-tert-butyl succinate

    Purity:
    ≥ 99% (GC)
    Synonym:
    Succinic acid mono-tert-butyl ester
    Catalog Number:
    39720
    CAS Number:
    15026-17-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00273441
    Molecular Formula:
    C8H14O4
    Molecular Weight:
    174.2
    Specification Sheet SDS

  • Bis[2-(4-azidosalicylamido)ethyl] disulfide

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    39712
    CAS Number:
    199804-21-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01861964
    Molecular Formula:
    C18H18N8O4S2
    Molecular Weight:
    474.51
    Specification Sheet SDS

  • Bis(NHS)PEG9

    Purity:
    ≥ 90%
    Synonym:
    Di(N-succinimidyl)4,7,10,13,16,19,22,25,28-nonaoxahentriacontanedioate
    Catalog Number:
    39708
    CAS Number:
    1008402-79-6
    Purity Limit:
    ≥ 90%
    MDL NO:
    MFCD11041131
    Molecular Formula:
    C30H48N2O17
    Molecular Weight:
    708.71
    Specification Sheet SDS

  • Ethylene glycol bis(3-mercaptopropionate)

    Purity:
    ≥ 92% (GC)
    Synonym:
    Ethylene bis(3-mercaptopropionate)
    Catalog Number:
    39719
    CAS Number:
    22504-50-3
    Purity Limit:
    ≥ 92% (GC)
    MDL NO:
    MFCD00053520
    Molecular Formula:
    C8H14O4S2
    Molecular Weight:
    238.32
    Specification Sheet SDS

  • Ethylene bis(thioglycolate) (Purified)

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    Ethylene Mercaptoacetate (Purified)
    Catalog Number:
    39715
    CAS Number:
    123-81-9
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00004875
    Molecular Formula:
    C6H10O4S2
    Molecular Weight:
    210.26
    Specification Sheet SDS

  • Malonic acid dihydrazide

    Purity:
    ≥ 93% (Assay by titration)
    Synonym:
    Malono-dihydrazide
    Catalog Number:
    39701
    CAS Number:
    3815-86-9
    Purity Limit:
    ≥ 93% (Assay by titration)
    MDL NO:
    MFCD00041268
    Molecular Formula:
    C3H8N4O2
    Molecular Weight:
    132.12
    Specification Sheet SDS

  • Glutaraldehyde (24-26% in Water)

    Hazmat
    Purity:
    Concentration 25 - 28 % by titration
    Synonym:
    Pentane-1,5-dial
    Hazmat
    Catalog Number:
    39703
    CAS Number:
    111-30-8
    Purity Limit:
    Concentration 25 - 28 % by titration
    MDL NO:
    MFCD00007025
    Molecular Formula:
    C5H8O2
    Molecular Weight:
    100.12
    Specification Sheet SDS

  • Diethylene glycol bis(2-propynyl) ether

    Purity:
    ≥ 98% (GC)
    Synonym:
    3-[2-[2-(2-Propynyloxy)ethoxy]ethoxy]-1-propyne
    Catalog Number:
    39717
    CAS Number:
    126422-57-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD22201523
    Molecular Formula:
    C10H14O3
    Molecular Weight:
    182.22
    Specification Sheet SDS

  • 1,5-Difluoro-2,4-dinitrobenzene

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    1,3-Difluoro-4,6-dinitrobenzene
    Hazmat
    Catalog Number:
    39718
    CAS Number:
    327-92-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00007052
    Molecular Formula:
    C6H2F2N2O4
    Molecular Weight:
    204.09
    Specification Sheet SDS

  • 1,4-Butanediol diglycidyl ether

    Purity:
    ≥ 98% (Assay)
    Synonym:
    1,4-Bis(2,3-epoxypropoxy)butane
    Catalog Number:
    39713
    CAS Number:
    2425-79-8
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00005146
    Molecular Formula:
    C10H18O4
    Molecular Weight:
    202.25
    Specification Sheet SDS

  • Dithiodiglycolic acid

    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    Dithiodiacetic acid
    Catalog Number:
    39707
    CAS Number:
    505-73-7
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00039607
    Molecular Formula:
    C4H6O4S2
    Molecular Weight:
    182.21
    Specification Sheet SDS

  • tert-Butyl hydrogen dodecanedioate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Dodecanedioic acid mono-tert-butyl ester
    Catalog Number:
    39709
    CAS Number:
    234081-98-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD28098251
    Molecular Formula:
    C16H30O4
    Molecular Weight:
    286.41
    Specification Sheet SDS

  • Ethylene glycol 1,2-bis(2-propynyl) ether

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    1,2-Bis(2-propynyloxy)ethane
    Hazmat
    Catalog Number:
    39705
    CAS Number:
    40842-04-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD03640302
    Molecular Formula:
    C8H10O2
    Molecular Weight:
    138.17
    Specification Sheet SDS

  • tert-Butyl hydrogen hexadecanedioate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Hexadecanedioic acid mono-tert-butyl ester
    Catalog Number:
    39714
    CAS Number:
    843666-27-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD23136039
    Molecular Formula:
    C20H38O4
    Molecular Weight:
    342.52
    Specification Sheet SDS

  • 1,14-Diamino-3,6,9,12-tetraoxatetradecane

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    3,6,9,12-Tetraoxatetradecane-1,14-diamine
    Hazmat
    Catalog Number:
    39696
    CAS Number:
    68960-97-4
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD01365938
    Molecular Formula:
    C10H24N2O4
    Molecular Weight:
    236.31
    Specification Sheet SDS

  • tert-Butyl hydrogen tetradecanedioate

    Purity:
    ≥ 99% (ELSD)
    Synonym:
    Tetradecanedioic acid mono-tert-butyl ester
    Catalog Number:
    39710
    CAS Number:
    234082-00-9
    Purity Limit:
    ≥ 99% (ELSD)
    MDL NO:
    MFCD23136040
    Molecular Formula:
    C18H34O4
    Molecular Weight:
    314.47
    Specification Sheet SDS

  • Bis(NHS)PEG5

    Purity:
    ≥ 90%
    Synonym:
    Di(N-succinimidyl) 4,7,10,13,16-pentaoxanonadecanedioate
    Catalog Number:
    39706
    CAS Number:
    756526-03-1
    Purity Limit:
    ≥ 90%
    MDL NO:
    MFCD11041118
    Molecular Formula:
    C22H32N2O13
    Molecular Weight:
    532.5
    Specification Sheet SDS

  • Dimethyl suberimidate dihydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Suberimidic acid dimethyl ester dihydrochloride
    Catalog Number:
    39702
    CAS Number:
    34490-86-3
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00012574
    Molecular Formula:
    C10H20N2O2·2HCl
    Molecular Weight:
    273.2
    Specification Sheet SDS

  • Dimethyl adipimidate dihydrochloride

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Adipimidic acid dimethyl ester dihydrochloride
    Catalog Number:
    39697
    CAS Number:
    14620-72-5
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00012573
    Molecular Formula:
    C8H16N2O2·2HCl
    Molecular Weight:
    245.14
    Specification Sheet SDS

  • 5,6,11,12-Tetradehydrodibenzo[a,e]cyclooctene

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5,6,11,12-Tetradehydrodibenzo[a,e]cyclooctatetraene
    Catalog Number:
    39693
    CAS Number:
    53397-65-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD28386121
    Molecular Formula:
    C16H8
    Molecular Weight:
    200.24
    Specification Sheet SDS

  • 3,3'-Dithiodipropionic acid

    Hazmat
    Purity:
    ≥ 97% (NMR)
    Synonym:
    2-Carboxyethyl disulfide
    Hazmat
    Catalog Number:
    39704
    CAS Number:
    1119-62-6
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00002780
    Molecular Formula:
    C6H10O4S2
    Molecular Weight:
    210.26
    Specification Sheet SDS

  • Polyethylene glycol bis(3-aminopropyl) ether

    Synonym:
    O,O'-Bis(3-aminopropyl)polyethylene glycol 1,500
    Catalog Number:
    39700
    CAS Number:
    34901-14-9
    MDL NO:
    MFCD00197739
    Specification Sheet SDS

  • Bis(3-sulfo-N-succinimidyl) suberate disodium salt

    Purity:
    ≥ 96%
    Synonym:
    Suberic acid bis(3-sulfo-N-succinimidyl) esterdisodium salt
    Catalog Number:
    39694
    CAS Number:
    127634-19-9
    Purity Limit:
    ≥ 96%
    MDL NO:
    MFCD00054982
    Molecular Formula:
    C16H18N2O14S2·2Na
    Molecular Weight:
    572.42
    Specification Sheet SDS

  • Glutaraldehyde (ca. 50% in Water, ca. 5.6mol/L)

    Hazmat
    Synonym:
    Glutaric dialdehyde solution
    Hazmat
    Catalog Number:
    39698
    CAS Number:
    111-30-8
    MDL NO:
    MFCD00007025
    Molecular Formula:
    C5H8O2
    Molecular Weight:
    100.12
    Specification Sheet SDS

  • Diethylene glycol bis(3-aminopropyl) ether

    Hazmat
    Purity:
    99 - 100% (Assay by titration, GC)
    Synonym:
    Bis[2-(3-aminopropoxy)ethyl] ether
    Hazmat
    Catalog Number:
    39695
    CAS Number:
    4246-51-9
    Purity Limit:
    99 - 100% (Assay by titration, GC)
    MDL NO:
    MFCD00059850
    Molecular Formula:
    C10H24N2O3
    Molecular Weight:
    220.31
    Specification Sheet SDS

  • Ethylene glycol bis(3-mercaptopropionate) (Purified)

    Purity:
    ≥ 97% (NMR)
    Synonym:
    Ethylene bis(3-mercaptopropionate) (Purified)
    Catalog Number:
    39699
    CAS Number:
    22504-50-3
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00053520
    Molecular Formula:
    C8H14O4S2
    Molecular Weight:
    238.32
    Specification Sheet SDS

  • 4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]benzyl alcohol

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    3-[4-(Hydroxymethyl)phenyl]-3-(trifluoromethyl)-3H-diazirine
    Catalog Number:
    39684
    CAS Number:
    87736-88-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD19442582
    Molecular Formula:
    C9H7F3N2O
    Molecular Weight:
    216.16
    Specification Sheet SDS

  • Di(N-succinimidyl) pimelate

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Bis(2,5-dioxopyrrolidin-1-yl) heptanedioate
    Catalog Number:
    39692
    CAS Number:
    74648-14-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01318519
    Molecular Formula:
    C15H18N2O8
    Molecular Weight:
    354.32
    Specification Sheet SDS

  • tert-Butyl 12-Hydroxy-4,7,10-trioxadodecanoate

    Purity:
    ≥ 97% (GC)
    Synonym:
    12-Hydroxy-4,7,10-trioxadodecanoic acid tert-butyl ester
    Catalog Number:
    39676
    CAS Number:
    186020-66-6
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD03791106
    Molecular Formula:
    C13H26O6
    Molecular Weight:
    278.35
    Specification Sheet SDS

  • Disuccinimidyl succinate

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Succinic acid disuccinimidyl ester
    Catalog Number:
    39691
    CAS Number:
    30364-60-4
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00228233
    Molecular Formula:
    C12H12N2O8
    Molecular Weight:
    312.23
    Specification Sheet SDS

  • Propargyl ether

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Dipropargyl ether
    Hazmat
    Catalog Number:
    39690
    CAS Number:
    6921-27-3
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00048108
    Molecular Formula:
    C6H6O
    Molecular Weight:
    94.11
    Specification Sheet SDS
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