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Linkers & Crosslinkers

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  • Propargylamine

    Hazmat
    Purity:
    ≥ 97.5% (GC)
    Synonym:
    3-Amino-1-propyne
    Hazmat
    Catalog Number:
    39688
    CAS Number:
    2450-71-7
    Purity Limit:
    ≥ 97.5% (GC)
    MDL NO:
    MFCD00008198
    Molecular Formula:
    C3H5N
    Molecular Weight:
    55.08
    Specification Sheet SDS

  • Glycidyl propargyl ether

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    Glycidyl 2-Propynyl ether
    Hazmat
    Catalog Number:
    39687
    CAS Number:
    18180-30-8
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00099300
    Molecular Formula:
    C6H8O2
    Molecular Weight:
    112.13
    Specification Sheet SDS

  • 1-Amino-3,6,9,12,15,18-hexaoxahenicosan-21-oic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    21-Amino-4,7,10,13,16,19-hexaoxahenicosanoic acid
    Catalog Number:
    39680
    CAS Number:
    905954-28-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD13184943
    Molecular Formula:
    C15H31NO8
    Molecular Weight:
    353.41
    Specification Sheet SDS

  • N-(2-Aminoethyl)maleimide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    39677
    CAS Number:
    134272-64-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD09800491
    Molecular Formula:
    C6H8N2O2·HCl
    Molecular Weight:
    176.6
    Specification Sheet SDS

  • Bis(4-fluoro-3-nitrophenyl) sulfone

    Purity:
    ≥ 98% (GC)
    Synonym:
    4,4'-Difluoro-3,3'-dinitrodiphenyl sulfone
    Catalog Number:
    39689
    CAS Number:
    312-30-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00007057
    Molecular Formula:
    C12H6F2N2O6S
    Molecular Weight:
    344.24
    Specification Sheet SDS

  • Triethylene glycol mono(2-propynyl) ether

    Purity:
    ≥ 96% (GC)
    Synonym:
    2-[2-[2-(2-Propynyloxy)ethoxy]ethoxy]ethanol
    Catalog Number:
    39685
    CAS Number:
    208827-90-1
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD13189984
    Molecular Formula:
    C9H16O4
    Molecular Weight:
    188.22
    Specification Sheet SDS

  • Diethylene glycol mono(2-propyn-1-yl) ether

    Purity:
    ≥ 97% (GC)
    Synonym:
    2-[2-(2-Propyn-1-yloxy)ethoxy]ethanol
    Catalog Number:
    39683
    CAS Number:
    7218-43-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00053353
    Molecular Formula:
    C7H12O3
    Molecular Weight:
    144.17
    Specification Sheet SDS

  • 4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]benzylamine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-[4-(Aminomethyl)phenyl]-3-(trifluoromethyl)-3H-diazirinehydrochloride
    Catalog Number:
    39679
    CAS Number:
    1258874-29-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD29765752
    Molecular Formula:
    C9H8F3N3·HCl
    Molecular Weight:
    251.64
    Specification Sheet SDS

  • NHS-PEG4-SPDP

    Purity:
    ≥ 95% (LC)
    Synonym:
    3-(2-Pyridyldithio)propionamido-PEG4-NHS ester
    Catalog Number:
    39682
    CAS Number:
    1334177-95-5
    Purity Limit:
    ≥ 95% (LC)
    MDL NO:
    MFCD13185001
    Molecular Formula:
    C23H33N3O9S2
    Molecular Weight:
    559.65
    Specification Sheet SDS

  • 3-(2-Pyridyldithio)propionic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    PDTP
    Catalog Number:
    39666
    CAS Number:
    68617-64-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD18252554
    Molecular Formula:
    C8H9NO2S2
    Molecular Weight:
    215.29
    Specification Sheet SDS

  • 2-(2-Propynyloxy)ethylamine

    Hazmat
    Purity:
    ≥ 96% (GC)
    Hazmat
    Catalog Number:
    39681
    CAS Number:
    122116-12-5
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD16713446
    Molecular Formula:
    C5H9NO
    Molecular Weight:
    99.13
    Specification Sheet SDS

  • N-(1R,8S,9S)-Bicyclo[6.1.0]non-4-yn-9-ylmethyloxycarbonyl-1,8-diamino-3,6-dioxaoctane

    Purity:
    ≥ 95% (NMR)
    Synonym:
    BCN-POE3-NH2
    Catalog Number:
    39675
    CAS Number:
    1263166-93-3
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD19705418
    Molecular Formula:
    C17H28N2O4
    Molecular Weight:
    324.42
    Specification Sheet SDS

  • N-(tert-Butoxycarbonyl)propargylamine

    Purity:
    ≥ 98% (GC)
    Synonym:
    N-Boc-propargylamine
    Catalog Number:
    39678
    CAS Number:
    92136-39-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD07367245
    Molecular Formula:
    C8H13NO2
    Molecular Weight:
    155.2
    Specification Sheet SDS

  • 5-Hexynoic acid

    Purity:
    ≥ 96.5% (GC)
    Catalog Number:
    39672
    CAS Number:
    53293-00-8
    Purity Limit:
    ≥ 96.5% (GC)
    MDL NO:
    MFCD00066346
    Molecular Formula:
    C6H8O2
    Molecular Weight:
    112.13
    Specification Sheet SDS

  • 2-Maleimidoacetic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)acetic acid
    Catalog Number:
    39668
    CAS Number:
    25021-08-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00457254
    Molecular Formula:
    C6H5NO4
    Molecular Weight:
    155.11
    Specification Sheet SDS

  • 10-Undecynoic acid

    Purity:
    ≥ 99% (Assay by titration, GC)
    Catalog Number:
    39671
    CAS Number:
    2777-65-3
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00014389
    Molecular Formula:
    C11H18O2
    Molecular Weight:
    182.26
    Specification Sheet SDS

  • 2-[2-(2-Propynyloxy)ethoxy]ethylamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    2-[2-(Propargyloxy)ethoxy]ethylamine
    Hazmat
    Catalog Number:
    39664
    CAS Number:
    944561-44-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD19160595
    Molecular Formula:
    C7H13NO2
    Molecular Weight:
    143.19
    Specification Sheet SDS

  • N-Succinimidyl methacrylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Methacrylic acid N-succinimidyl ester
    Catalog Number:
    39674
    CAS Number:
    38862-25-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD15072193
    Molecular Formula:
    C8H9NO4
    Molecular Weight:
    183.16
    Specification Sheet SDS

  • N-Succinimidyl 11-maleimidoundecanoate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    11-Maleimidoundecanoic acid N-succinimidyl ester
    Catalog Number:
    39667
    CAS Number:
    87981-04-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00467873
    Molecular Formula:
    C19H26N2O6
    Molecular Weight:
    378.43
    Specification Sheet SDS

  • Lipoamido-PEG12-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    45-(1,2-Dithiolan-3-yl)-41-oxo-4,7,10,13,16,19,22,25,28,31,34,37-dodecaoxa-40-azapentatetracontan-1-oicacid
    Catalog Number:
    39670
    Purity Limit:
    ≥ 97% (HPLC)
    Molecular Formula:
    C35H67NO15S2
    Molecular Weight:
    806.03
    Specification Sheet SDS

  • Succinimidyl 4-azidobutyrate

    Purity:
    ≥ 95% (NMR)
    Synonym:
    Succinimidyl 4-azidobutanoate
    Catalog Number:
    39655
    CAS Number:
    943858-70-6
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD22573606
    Molecular Formula:
    C8H10N4O4
    Molecular Weight:
    226.19
    Specification Sheet SDS

  • N-Succinimidyl 4-(azidosulfonyl)benzoate

    Purity:
    ≥ 95%
    Synonym:
    4-(Azidosulfonyl)benzoic acid N-succinimidyl ester
    Catalog Number:
    39663
    CAS Number:
    1427502-22-4
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD23726627
    Molecular Formula:
    C11H8N4O6S
    Molecular Weight:
    324.27
    Specification Sheet SDS

  • 19-Maleimido-17-oxo-4,7,10,13-tetraoxa-16-azanonadecanoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1-Maleimido-3-oxo-7,10,13,16-tetraoxa-4-azanonadecan-19-oic acid
    Catalog Number:
    39665
    CAS Number:
    1263045-16-4
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD13184954
    Molecular Formula:
    C18H28N2O9
    Molecular Weight:
    416.43
    Specification Sheet SDS

  • Sulfo-EMCS

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    6-Maleimidocaproic acid sulfo-N-succinimidyl ester sodiumsalt
    Catalog Number:
    39661
    CAS Number:
    215312-86-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD01310272
    Molecular Formula:
    C14H15N2NaO9S
    Molecular Weight:
    410.33
    Specification Sheet SDS

  • Mal-PEG2-acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-[2-[2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethoxy]ethoxy]propanoicacid
    Catalog Number:
    39656
    CAS Number:
    1374666-32-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD23726620
    Molecular Formula:
    C11H15NO6
    Molecular Weight:
    257.24
    Specification Sheet SDS

  • Azido-PEG11-amine

    Purity:
    ≥ 93% (HPLC)
    Synonym:
    Amino-PEG11-azide
    Catalog Number:
    39660
    CAS Number:
    1800414-71-4
    Purity Limit:
    ≥ 93% (HPLC)
    MDL NO:
    MFCD08274605
    Molecular Formula:
    C24H50N4O11
    Molecular Weight:
    570.68
    Specification Sheet SDS

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

    Hazmat
    Purity:
    ≥ 95% (HPLC)
    Synonym:
    3-[4-(Bromomethyl)phenyl]-3-(trifluoromethyl)-3H-diazirine
    Hazmat
    Catalog Number:
    39658
    CAS Number:
    92367-11-8
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD19442581
    Molecular Formula:
    C9H6BrF3N2
    Molecular Weight:
    279.06
    Specification Sheet SDS

  • Maleimide-PEG2-NHS ester

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Maleimide-PEG2-succinimidyl ester
    Catalog Number:
    39657
    CAS Number:
    955094-26-5
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD11041137
    Molecular Formula:
    C18H23N3O9
    Molecular Weight:
    425.39
    Specification Sheet SDS

  • (Fmoc-amino)-PEG12-C2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(9H-Fluoren-9-yl)-3-oxo-2,7,10,13,16,19,22,25,28,31,34,37,40-tridecaoxa-4-azatritetracontan-43-oicacid
    Catalog Number:
    39659
    CAS Number:
    1952360-91-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08064302
    Molecular Formula:
    C42H65NO16
    Molecular Weight:
    839.97
    Specification Sheet SDS

  • Maleimide-PEG2-NHS ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Maleimide-PEG2-succinimidyl ester
    Catalog Number:
    39669
    CAS Number:
    955094-26-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD11041137
    Molecular Formula:
    C18H23N3O9
    Molecular Weight:
    425.39
    Specification Sheet SDS

  • 8-Azido-3,6-dioxaoctanoic acid cyclohexylamine salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Azido-PEG2-acetic acid CHA salt
    Catalog Number:
    39662
    CAS Number:
    2098500-94-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD18382061
    Molecular Formula:
    C6H11N3O4·C6H13N
    Molecular Weight:
    288.35
    Specification Sheet SDS

  • N-(2-Hydroxyethyl)maleimide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    1-(2-Hydroxyethyl)-pyrrole-2,5-dione
    Catalog Number:
    39654
    CAS Number:
    1585-90-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00465266
    Molecular Formula:
    C6H7NO3
    Molecular Weight:
    141.13
    Specification Sheet SDS

  • Genipin

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    Methyl(1S,2R,6S)-2-hydroxy-9-(hydroxymethyl)-3-oxabicyclo[4.3.0]nona-4,8-diene-5-carboxylate
    Hazmat
    Catalog Number:
    39187
    CAS Number:
    6902-77-8
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD00888600
    Molecular Formula:
    C11H14O5
    Molecular Weight:
    226.23
    Specification Sheet SDS

  • Sulfo-N-succinimidyl 4-maleimidobutyrate sodium salt

    Purity:
    ≥ 90% (Assay)
    Synonym:
    Sulfo-GMBS sodium salt
    Catalog Number:
    38498
    CAS Number:
    185332-92-7
    Purity Limit:
    ≥ 90% (Assay)
    MDL NO:
    MFCD17215919
    Molecular Formula:
    C12H11N2NaO9S
    Molecular Weight:
    382.28
    Specification Sheet SDS

  • 4-Azido-2,3,5,6-tetrafluorobenzoic acid

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    ATFB
    Catalog Number:
    37071
    CAS Number:
    122590-77-6
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    MDL NO:
    MFCD00467436
    Molecular Formula:
    C7HF4N3O2
    Molecular Weight:
    235.1
    Specification Sheet SDS

  • N3-PEG(5)-NH2

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    14-Azido-3,6,9,12-tetraoxatetradecan-1-amine
    Catalog Number:
    37064
    CAS Number:
    951671-92-4
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD20134134
    Molecular Formula:
    C10H22N4O4
    Molecular Weight:
    262.3
    Specification Sheet SDS

  • N-Propargylmaleimide

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    35122
    CAS Number:
    209395-32-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD12090919
    Molecular Formula:
    C7H5NO2
    Molecular Weight:
    130.12
    Specification Sheet SDS

  • Azidoacetic acid

    Purity:
    ≥ 95% (NMR)
    Catalog Number:
    35113
    CAS Number:
    18523-48-3
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD01320907
    Molecular Formula:
    C2H3N3O2
    Molecular Weight:
    101.06
    Specification Sheet SDS

  • Alkyne-PEG4-NHS ester

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    35117
    CAS Number:
    1393330-40-9
    Purity Limit:
    ≥ 97% (HPLC)
    Molecular Formula:
    C18H27NO9
    Molecular Weight:
    401.41
    Specification Sheet SDS

  • Azido-PEG4-NHS ester

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    35108
    CAS Number:
    944251-24-5
    Purity Limit:
    ≥ 95% (HPLC)
    Molecular Formula:
    C15H24N4O8
    Molecular Weight:
    388.37
    Specification Sheet SDS

  • Fmoc-4-azido-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Phe(4-N3)-OH
    Catalog Number:
    33565
    CAS Number:
    1391586-30-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00053719
    Molecular Formula:
    C24H20N4O4
    Molecular Weight:
    428.5
    Specification Sheet SDS

  • 4-Azido-D-phenylalanine hydrochloride

    Purity:
    ≥ 99.9% (Chiral HPLC)
    Synonym:
    D-Phe(4-azido)-OH·HCl
    Catalog Number:
    33559
    CAS Number:
    1241681-80-0
    Purity Limit:
    ≥ 99.9% (Chiral HPLC)
    MDL NO:
    MFCD31696543
    Molecular Formula:
    C9H10N4O2·HCl
    Molecular Weight:
    242.7
    Specification Sheet SDS

  • 14-Azido-3,6,9,12-tetraoxatetradecan-1-ol

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N3-EEEEE
    Catalog Number:
    33501
    CAS Number:
    86770-68-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD20134131
    Molecular Formula:
    C10H21N3O5
    Molecular Weight:
    263.3
    Specification Sheet SDS

  • 11-Azido-3,6,9-trioxaundecanoic acid cyclohexylamine

    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    Azido-PEG3-carboxylate
    Catalog Number:
    33481
    CAS Number:
    172531-37-2
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD32067810
    Molecular Formula:
    C8H15N3O5·C6H13N
    Molecular Weight:
    332.4
    Specification Sheet SDS

  • N3-PEG(4)-NH2

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    Amino-PEG3-azide
    Catalog Number:
    33470
    CAS Number:
    134179-38-7
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD20134134
    Molecular Formula:
    C8H18N4O3
    Molecular Weight:
    218.3
    Specification Sheet SDS

  • N-Boc-ethylenediamine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    N-Boc-1,2-diaminoethane
    Hazmat
    Catalog Number:
    31307
    CAS Number:
    57260-73-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191871
    Molecular Formula:
    C7H16N2O2
    Molecular Weight:
    160.21
    Specification Sheet SDS

  • N-Boc-2-(2-aminoethoxy)ethylamine

    Purity:
    ≥ 98% (GC)
    Synonym:
    tert-Butyl (2-(2-aminoethoxy)ethyl)carbamate
    Catalog Number:
    30729
    CAS Number:
    127828-22-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD12031501
    Molecular Formula:
    C9H20N2O3
    Molecular Weight:
    204.27
    Specification Sheet SDS

  • 1-Azido-3,6,9-trioxaundecane-11-ol

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    30727
    CAS Number:
    86770-67-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03701128
    Molecular Formula:
    C8H17N3O4
    Molecular Weight:
    219.24
    Specification Sheet SDS

  • Bis-N-succinimidyl diglycolic acid

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    2,2'-Oxydiacetic acid bis-N-succinimidyl ester
    Catalog Number:
    30501
    CAS Number:
    373614-12-1
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD13184975
    Molecular Formula:
    C12H12N2O9
    Molecular Weight:
    328.2
    Specification Sheet SDS

  • 8-Amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    [2-(2-Aminoethoxy)ethoxy]acetic acid
    Catalog Number:
    30454
    CAS Number:
    134978-97-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD13185897
    Molecular Formula:
    C6H13NO4
    Molecular Weight:
    163.2
    Specification Sheet SDS
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