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Peptide Coupling Reagents

103
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  • O-(7-Azabenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate

    Hazmat
    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    HATU
    Hazmat
    Catalog Number:
    12881
    CAS Number:
    148893-10-1
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00274639
    Molecular Formula:
    C10H15F6N6OP
    Molecular Weight:
    380.23
    Specification Sheet SDS

  • N,N'-Diisopropylcarbodiimide

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    DIC
    Hazmat
    Catalog Number:
    00110
    CAS Number:
    693-13-0
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00065689
    Molecular Formula:
    C7H14N2
    Molecular Weight:
    126.2
    Specification Sheet SDS

  • 3-(3-Dimethylaminopropyl)-1-ethyl-carbodiimide hydrochloride

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    EDC hydrochloride
    Hazmat
    Catalog Number:
    00050
    CAS Number:
    25952-53-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00012503
    Molecular Formula:
    C8H17N3·HCl
    Molecular Weight:
    191.7
    Specification Sheet SDS

  • O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    HBTU
    Catalog Number:
    02011
    CAS Number:
    94790-37-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00075445
    Molecular Formula:
    C11H16F6N5OP
    Molecular Weight:
    379.25
    Specification Sheet SDS

  • Ethyl (hydroxyimino)cyanoacetate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ethyl cyano(hydroxyimino)acetate
    Catalog Number:
    26426
    CAS Number:
    3849-21-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002112
    Molecular Formula:
    C5H6N2O3
    Molecular Weight:
    142.11
    Specification Sheet SDS

  • Triphosgene

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    Bis(trichloromethyl) carbonate
    Hazmat
    Catalog Number:
    07205
    CAS Number:
    32315-10-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00062848
    Molecular Formula:
    C3Cl6O3
    Molecular Weight:
    296.7
    Specification Sheet SDS

  • 1,3-Dicyclohexylcarbodiimide

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    N,N'-Dicyclohexylcarbodiimide
    Hazmat
    Catalog Number:
    00114
    CAS Number:
    538-75-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00011659
    Molecular Formula:
    C13H22N2
    Molecular Weight:
    206.33
    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

  • O-(1H-6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    HCTU
    Catalog Number:
    14260
    CAS Number:
    330645-87-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04973268
    Molecular Formula:
    C11H15CIF6N5OP
    Molecular Weight:
    413.69
    Specification Sheet SDS

  • N,N'-Disuccinimidyl carbonate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    DSC
    Catalog Number:
    02309
    CAS Number:
    74124-79-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00009767
    Molecular Formula:
    C9H8N2O7
    Molecular Weight:
    256.2
    Specification Sheet SDS

  • N-Hydroxysuccinimide

    Purity:
    ≥ 99% (Assay)
    Synonym:
    NHS
    Catalog Number:
    00182
    CAS Number:
    6066-82-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005516
    Molecular Formula:
    C4H5NO3
    Molecular Weight:
    115.1
    Specification Sheet SDS

  • Bis(pentafluorophenyl) carbonate

    Purity:
    ≥ 99% (GC)
    Synonym:
    PFPC
    Catalog Number:
    23085
    CAS Number:
    59483-84-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00368353
    Molecular Formula:
    C13F10O3
    Molecular Weight:
    394.13
    Specification Sheet SDS

  • (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    BOPP
    Catalog Number:
    02276
    CAS Number:
    128625-52-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077411
    Molecular Formula:
    C18H28N6OP·F6P
    Molecular Weight:
    520.34
    Specification Sheet SDS

  • Diphenyl phosphoryl azide

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Phosphoric acid diphenyl ester azide
    Hazmat
    Catalog Number:
    02307
    CAS Number:
    26386-88-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001987
    Molecular Formula:
    C12H10N3O3P
    Molecular Weight:
    275.2
    Specification Sheet SDS

  • Benzotriazol-1-yl-oxy-tris(dimethylamino)phosphonium hexafluorophosphate

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    BOP
    Hazmat
    Catalog Number:
    00604
    CAS Number:
    56602-33-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00011948
    Molecular Formula:
    C12H22F6N6OP2
    Molecular Weight:
    442.5
    Specification Sheet SDS

  • N-Ethoxycarbonyl-2-ethoxy-1,2-dihydroquinoline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    EEDQ
    Catalog Number:
    00346
    CAS Number:
    16357-59-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006703
    Molecular Formula:
    C14H17NO3
    Molecular Weight:
    247.3
    Specification Sheet SDS

  • N,N-Carbonyldiimidazole

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    CDI
    Hazmat
    Catalog Number:
    00051
    CAS Number:
    530-62-1
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00005286
    Molecular Formula:
    C7H6N4O
    Molecular Weight:
    162.15
    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

  • P-Chlorodiphenylphosphine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Diphenyl chlorophosphine
    Hazmat
    Catalog Number:
    06895
    CAS Number:
    1079-66-9
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00000529
    Molecular Formula:
    C12H10ClP
    Molecular Weight:
    220.64
    Specification Sheet SDS

  • O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    TBTU
    Hazmat
    Catalog Number:
    02056
    CAS Number:
    125700-67-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077413
    Molecular Formula:
    C11H16N5O·BF4
    Molecular Weight:
    321.1
    Specification Sheet SDS

  • 4-Nitrophenol

    Hazmat
    Purity:
    ≥ 99% (assay)
    Synonym:
    HONP
    Hazmat
    Catalog Number:
    02340
    CAS Number:
    100-02-7
    Purity Limit:
    ≥ 99% (assay)
    MDL NO:
    MFCD00007331
    Molecular Formula:
    C6H5NO3
    Molecular Weight:
    139.11
    Specification Sheet SDS

  • Bromo-tris-pyrrolidino-phosphonium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Bromotripyrrolidinophosphonium hexafluorophosphate
    Catalog Number:
    02275
    CAS Number:
    132705-51-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077412
    Molecular Formula:
    C12H24N3P2BrF6
    Molecular Weight:
    466.2
    Specification Sheet SDS

  • Pentachlorophenyl trichloroacetate

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Trichloroacetic acid pentachlorophenyl ester
    Catalog Number:
    41749
    CAS Number:
    2879-60-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00059487
    Molecular Formula:
    C8Cl8O2
    Molecular Weight:
    411.69
    Specification Sheet SDS

  • O-(Benzotriazol-1-yl)-N,N,N',N'-bis(pentamethylene)uronium hexafluorophosphate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (Benzotriazol-1-yloxy)dipiperidinocarbenium hexafluorophosphate
    Catalog Number:
    41750
    CAS Number:
    206752-41-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191769
    Molecular Formula:
    C17H24F6N5OP
    Molecular Weight:
    459.38
    Specification Sheet SDS

  • N-Cyclohexylcarbodiimidomethyl polystyrene resin (cross-linked with 1% DVB, 50-100mesh, 1.5 - 2.0 mmol/g)

    Synonym:
    1-Benzyl-3-cyclohexylcarbodiimide resin (cross-linked with 1% DVB,50-100mesh, 1.5 - 2.0 mmol/g)
    Catalog Number:
    37414
    MDL NO:
    MFCD01867681
    Specification Sheet SDS

  • 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide resin (cross-linked with 1% DVB, 50-100mesh, 1.0-1.3mmol/g)

    Synonym:
    EDC resin (cross-linked with 1% DVB, 50-100mesh, 1.0-1.3mmol/g)
    Catalog Number:
    37415
    MDL NO:
    MFCD01867688
    Specification Sheet SDS

  • Tetrafluoro-1,4-benzoquinone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    p-Fluoranil
    Catalog Number:
    37190
    CAS Number:
    527-21-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00001592
    Molecular Formula:
    C6F4O2
    Molecular Weight:
    180.06
    Specification Sheet SDS

  • p-Benzoquinone

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,4-Benzoquinone
    Hazmat
    Catalog Number:
    37187
    CAS Number:
    106-51-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001591
    Molecular Formula:
    C6H4O2
    Molecular Weight:
    108.1
    Specification Sheet SDS

  • Diphenyl (2,3-Dihydro-2-thioxo-3-benzoxazolyl)phosphonate

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    (2,3-Dihydro-2-thioxo-3-benzoxazolyl)phosphonic acid diphenylester
    Catalog Number:
    37188
    CAS Number:
    111160-56-6
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00142793
    Molecular Formula:
    C19H14NO4PS
    Molecular Weight:
    383.36
    Specification Sheet SDS

  • Tris(2,2,2-trifluoroethyl) borate

    Hazmat
    Purity:
    ≥ 95% (NMR)
    Synonym:
    Tris(2,2,2-trifluoroethoxy)boron
    Hazmat
    Catalog Number:
    37191
    CAS Number:
    659-18-7
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00093768
    Molecular Formula:
    C6H6BF9O3
    Molecular Weight:
    307.91
    Specification Sheet SDS

  • 4-Trifluoromethylbenzoic anhydride

    Purity:
    ≥ 97% (NMR)
    Catalog Number:
    37180
    CAS Number:
    25753-16-6
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00671577
    Molecular Formula:
    C16H8F6O3
    Molecular Weight:
    362.23
    Specification Sheet SDS

  • 2,6-Di-tert-butyl-1,4-benzoquinone

    Purity:
    ≥ 98% (GC)
    Synonym:
    2,6-Di-tert-butyl-p-quinone
    Catalog Number:
    37189
    CAS Number:
    719-22-2
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00001601
    Molecular Formula:
    C14H20O2
    Molecular Weight:
    220.31
    Specification Sheet SDS

  • Trifluoromethanesulfonyl chloride

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Triflyl chloride
    Hazmat
    Catalog Number:
    37184
    CAS Number:
    421-83-0
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00007451
    Molecular Formula:
    CF3SO2Cl
    Molecular Weight:
    168.51
    Specification Sheet SDS

  • 1-(Trifluoromethanesulfonyl)imidazole

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    37186
    CAS Number:
    29540-81-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00037891
    Molecular Formula:
    C4H3F3N2O2S
    Molecular Weight:
    200.14
    Specification Sheet SDS

  • Trifluoromethanesulfonanilide

    Hazmat
    Purity:
    ≥ 98% (Assay by titration, HPLC)
    Synonym:
    1,1,1-Trifluoro-N-phenylmethanesulfonamide
    Hazmat
    Catalog Number:
    37185
    CAS Number:
    456-64-4
    Purity Limit:
    ≥ 98% (Assay by titration, HPLC)
    MDL NO:
    MFCD00521820
    Molecular Formula:
    C7H6F3NO2S
    Molecular Weight:
    225.19
    Specification Sheet SDS

  • N-(2-Pyridyl)bis(trifluoromethanesulfonimide)

    Purity:
    ≥ 98% (GC)
    Synonym:
    2-[N,N-Bistrifluoromethylsulfonyl)amino]pyridine
    Catalog Number:
    37182
    CAS Number:
    145100-50-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00191834
    Molecular Formula:
    C7H4F6N2O4S2
    Molecular Weight:
    358.23
    Specification Sheet SDS

  • 4-Nitrophenyl trifluoromethanesulfonate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Nitrophenyl triflate
    Hazmat
    Catalog Number:
    37183
    CAS Number:
    17763-80-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00192354
    Molecular Formula:
    C7H4F3NO5S
    Molecular Weight:
    271.17
    Specification Sheet SDS

  • Di(2-pyridyl) thionocarbonate

    Purity:
    ≥ 99.5% (Assay by titration)
    Synonym:
    O,O'-Di-2-pyridyl thiocarbonate
    Catalog Number:
    37181
    CAS Number:
    96989-50-3
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00074870
    Molecular Formula:
    C11H8N2O2S
    Molecular Weight:
    232.26
    Specification Sheet SDS

  • Diethyl cyanophosphonate

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    Cyanophosphonic acid diethyl ester
    Hazmat
    Catalog Number:
    37177
    CAS Number:
    2942-58-7
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00010256
    Molecular Formula:
    C5H10NO3P
    Molecular Weight:
    163.11
    Specification Sheet SDS

  • 2-Methyl-6-nitrobenzoic anhydride

    Purity:
    ≥ 98% (Asay by titration)
    Synonym:
    6-Nitro-o-toluic anhydride
    Catalog Number:
    37178
    CAS Number:
    434935-69-0
    Purity Limit:
    ≥ 98% (Asay by titration)
    MDL NO:
    MFCD06797117
    Molecular Formula:
    C16H12N2O7
    Molecular Weight:
    344.28
    Specification Sheet SDS

  • 2,4,6-Trichlorobenzoyl chloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration, GC)
    Hazmat
    Catalog Number:
    37179
    CAS Number:
    4136-95-2
    Purity Limit:
    ≥ 99% (Assay by titration, GC)
    MDL NO:
    MFCD00075323
    Molecular Formula:
    C7H2Cl4O
    Molecular Weight:
    243.89
    Specification Sheet SDS

  • (Tributylphosphoranylidene)acetonitrile

    Purity:
    ≥ 98% (GC)
    Synonym:
    (Cyanomethylene)tributylphosphorane
    Catalog Number:
    36545
    CAS Number:
    157141-27-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01321151
    Molecular Formula:
    C14H28NP
    Molecular Weight:
    241.35
    Specification Sheet SDS

  • 2-Bromo-1-ethyl-pyridinium tetrafluoroborate

    Purity:
    ≥ 97% (Assay by titration)
    Catalog Number:
    36138
    CAS Number:
    878-23-9
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00060046
    Molecular Formula:
    C7H9BBrF4N
    Molecular Weight:
    273.86
    Specification Sheet SDS

  • N-(3-Dimethylaminopropyl)-N′-ethylcarbodiimide

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide
    Hazmat
    Catalog Number:
    33523
    CAS Number:
    1892-57-5
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00044916
    Molecular Formula:
    C8H17N3
    Molecular Weight:
    155.24
    Specification Sheet SDS

  • 4-Dimethylaminopyridine, Prilled

    Hazmat
    Purity:
    ≥ 99.5% (Assay by titration, GC)
    Synonym:
    DMAP
    Hazmat
    Catalog Number:
    33386
    CAS Number:
    1122-58-3
    Purity Limit:
    ≥ 99.5% (Assay by titration, GC)
    MDL NO:
    MFCD00006418
    Molecular Formula:
    C7H10N2
    Molecular Weight:
    122.17
    Specification Sheet SDS

  • N-(5-Chloro-2-pyridyl)bis(trifluoromethanesulfonimide)

    Purity:
    ≥ 99%(GC, HPLC)
    Synonym:
    2-[N,N-Bis(trifluoromethylsulfonyl)amino]-5-chloropyridine
    Catalog Number:
    31548
    CAS Number:
    145100-51-2
    Purity Limit:
    ≥ 99%(GC, HPLC)
    MDL NO:
    MFCD00191833
    Molecular Formula:
    C7H3ClF6N2O4S2
    Molecular Weight:
    392.68
    SDS

  • N-Phenyl-bis(trifluoromethanesulfonimide)

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1,1,1-Trifluoro-N-phenyl-N-[(trifluoromethyl)sulfonyl]methanesulfonamide
    Catalog Number:
    31457
    CAS Number:
    37595-74-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00000404
    Molecular Formula:
    C8H5F6NO4S2
    Molecular Weight:
    357.25
    Specification Sheet SDS

  • Pentafluorophenyl 4-nitrobenzenesulfonate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Nitrobenzenesulfonic acid pentafluorophenyl ester
    Catalog Number:
    31391
    CAS Number:
    244633-31-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD05975120
    Molecular Formula:
    C12H4F5NO5S
    Molecular Weight:
    369.22
    Specification Sheet SDS

  • Pentafluorophenyl diphenylphosphinate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Diphenylphosphinic acid pentafluorophenyl ester
    Catalog Number:
    31228
    CAS Number:
    138687-69-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00192380
    Molecular Formula:
    C18H10F5O2P
    Molecular Weight:
    384.24
    Specification Sheet SDS

  • Di-2-pyridyl carbonate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Carbonic acid di-2-pyridyl ester
    Catalog Number:
    31230
    CAS Number:
    1659-31-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191407
    Molecular Formula:
    C11H8N2O3
    Molecular Weight:
    216.19
    Specification Sheet SDS
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