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Peptide Synthesis Reagents

158
Sub Categories
Amine Protection 17
Amino Acid Sequencing Reagents 32
Peptide Coupling Reagents 102
Precursors For Amino Acid Synthesis 5
Solvents And Mixtures For Peptide Synthesis 2

  • Acetic acid, glacial

    Hazmat
    Grade:
    Meets USP Specification
    Purity:
    99.5 - 100.5% (Assay by titration)
    Hazmat
    Catalog Number:
    37031
    Grade:
    Meets USP Specification
    CAS Number:
    64-19-7
    Purity Limit:
    99.5 - 100.5% (Assay by titration)
    MDL NO:
    MFCD00036152
    Molecular Formula:
    C2H4O2
    Molecular Weight:
    60.05
    Specification Sheet SDS

  • N,N,N',N'Bis(tetramethylene)-O-(N-succinimidyl)uronium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Dipyrrolidino(N-succinimidyloxy)carbenium hexafluorophosphate
    Catalog Number:
    31212
    CAS Number:
    207683-26-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00192457
    Molecular Formula:
    C13H20N3O3·PF6
    Molecular Weight:
    411.28
    Specification Sheet SDS

  • 4-(Dimethylamino)pyridine solution, 0.5 M in THF

    Hazmat
    Purity:
    0.40 - 0.60 M
    Synonym:
    DMAP solution
    Hazmat
    Catalog Number:
    30846
    CAS Number:
    1122-58-3
    Purity Limit:
    0.40 - 0.60 M
    MDL NO:
    MFCD00006418
    Molecular Formula:
    C7H10N2
    Molecular Weight:
    122.17
    SDS

  • Diethyl dicarbonate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Diethyl pyrocarbonate
    Hazmat
    Catalog Number:
    24544
    CAS Number:
    1609-47-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009106
    Molecular Formula:
    C6H10O5
    Molecular Weight:
    162.14
    Specification Sheet SDS

  • Phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    24479
    CAS Number:
    103-72-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004798
    Molecular Formula:
    C7H5NS
    Molecular Weight:
    135.19
    Specification Sheet SDS

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

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-[Bis(dimethylamino)methylen]-5-chlorobenzotriazolium 3-oxide tetrafluoroborate
    Catalog Number:
    23208
    CAS Number:
    330641-16-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08461912
    Molecular Formula:
    C11H15BClF4N5O
    Molecular Weight:
    355.53
    Specification Sheet SDS

  • N,N'-Di-tert-butylcarbodiimide

    Hazmat
    Purity:
    ≥ 98% (GC)
    Hazmat
    Catalog Number:
    12908
    CAS Number:
    691-24-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00010231
    Molecular Formula:
    C9H18N2
    Molecular Weight:
    154.26
    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

  • N-Hydroxyphthalimide

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxy-1H-isoindole-1,3(2H-dione
    Catalog Number:
    02322
    CAS Number:
    524-38-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005891
    Molecular Formula:
    C8H5NO3
    Molecular Weight:
    163.13
    Specification Sheet SDS

  • 2,4,5-Trichlorophenol

    Hazmat
    Purity:
    ≥ 95% (GC)
    Synonym:
    2,4,5-Trichloro-1-hydroxy-benzene
    Hazmat
    Catalog Number:
    02361
    CAS Number:
    95-95-4
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00002170
    Molecular Formula:
    C6H3Cl3O
    Molecular Weight:
    197.45
    Specification Sheet SDS

  • 2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    TSTU
    Catalog Number:
    02357
    CAS Number:
    105832-38-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077875
    Molecular Formula:
    C9H16O3N3BF4
    Molecular Weight:
    301.1
    Specification Sheet SDS

  • 2-(5-Norbornen-2,3-dicarboximido)-1,1,3,3-tetramethyluronium tetrafluoroborate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    TNTU
    Catalog Number:
    02343
    CAS Number:
    125700-73-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00167753
    Molecular Formula:
    C14H20BF4N3O3
    Molecular Weight:
    365.14
    Specification Sheet SDS

  • N-Hydroxy-5-norbornene-endo-2,3-dicarboximide

    Purity:
    ≥ 98% (Assay)
    Synonym:
    HONB
    Catalog Number:
    02321
    CAS Number:
    21715-90-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00065691
    Molecular Formula:
    C9H9NO3
    Molecular Weight:
    179.2
    Specification Sheet SDS

  • N-Cyclohexyl-N'-(2-morpholinoethyl)carbodiimide methyl-p-toluenesulfonate

    Purity:
    ≥ 96% (NMR)
    Synonym:
    Morpho-CDI
    Catalog Number:
    02297
    CAS Number:
    2491-17-0
    Purity Limit:
    ≥ 96% (NMR)
    MDL NO:
    MFCD00011979
    Molecular Formula:
    C14H26N3O·C7H7O3S
    Molecular Weight:
    423.6
    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

  • N,N-Bis(2-oxo-3-oxazolidinyl)phosphinic chloride

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    BOP-Cl
    Hazmat
    Catalog Number:
    02280
    CAS Number:
    68641-49-6
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00010077
    Molecular Formula:
    C6H8ClN2O5P
    Molecular Weight:
    254.6
    Specification Sheet SDS

  • Ethyl acetate

    Hazmat
    Purity:
    ≥ 99.70% (GC)
    Synonym:
    Acetic acid ethyl ester
    Hazmat
    Catalog Number:
    00757
    CAS Number:
    141-78-6
    Purity Limit:
    ≥ 99.70% (GC)
    MDL NO:
    MFCD00009171
    Molecular Formula:
    C4H8O2
    Molecular Weight:
    88.11
    Specification Sheet SDS

  • 2-Hydroxypyridine-N-oxide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-Hydroxy-2(1H)pyridinone
    Catalog Number:
    00785
    CAS Number:
    13161-30-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00006195
    Molecular Formula:
    C5H5NO2
    Molecular Weight:
    111.1
    Specification Sheet SDS

  • 2,4,6-Triisopropylbenzenesulfonyl chloride

    Hazmat
    Purity:
    ≥ 99% (Titration)
    Synonym:
    Trisyl chloride
    Hazmat
    Catalog Number:
    00923
    CAS Number:
    6553-96-4
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00007433
    Molecular Formula:
    C15H23SO2Cl
    Molecular Weight:
    302.9
    Specification Sheet SDS

  • Pentafluorophenol

    Purity:
    ≥ 99.5% (GC)
    Synonym:
    2,3,4,5,6-Pentafluorophenol
    Catalog Number:
    00536
    CAS Number:
    771-61-9
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00002156
    Molecular Formula:
    C6HF5O
    Molecular Weight:
    184.06
    Specification Sheet SDS

  • Heptafluorobutyric acid

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    HFBA
    Hazmat
    Catalog Number:
    02316
    CAS Number:
    375-22-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00004171
    Molecular Formula:
    C4HF7O2
    Molecular Weight:
    214.04
    Specification Sheet SDS

  • Ethyl acetate

    Hazmat
    Grade:
    Meets HPLC/Spectro specification
    Purity:
    ≥ 99.8% (GC)
    Synonym:
    Acetic acid ethyl ester
    Hazmat
    Catalog Number:
    47680
    Grade:
    Meets HPLC/Spectro specification
    CAS Number:
    141-78-6
    Purity Limit:
    ≥ 99.8% (GC)
    MDL NO:
    MFCD00009171
    Molecular Formula:
    C4H8O2
    Molecular Weight:
    88.11
    Specification Sheet

  • Acetic acid, glacial

    Hazmat
    Purity:
    ≥ 99.5% (Assay by titration)
    Hazmat
    Catalog Number:
    47633
    CAS Number:
    64-19-7
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    MDL NO:
    MFCD00036152
    Molecular Formula:
    C2H4O2
    Molecular Weight:
    60.05
    Specification Sheet SDS

  • 1-Chlorobutane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Butyl chloride
    Hazmat
    Catalog Number:
    47399
    CAS Number:
    109-69-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001009
    Molecular Formula:
    C4H9Cl
    Molecular Weight:
    92.57
    Specification Sheet SDS

  • tert-Butyl (R)-2-(2,6-dichlorophenyl)-5-oxo-3-[(R)-1-phenylethyl]imidazolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R)-3-(tert-Butoxycarbonyl)-2-(2,6-dichlorophenyl)-1-[(R)-1-phenylethyl]imidazolidin-4-one
    Catalog Number:
    44467
    CAS Number:
    1004755-00-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30187600
    Molecular Formula:
    C22H24Cl2N2O3
    Molecular Weight:
    435.35
    Specification Sheet SDS

  • tert-Butyl (S)-2-(2,6-dichlorophenyl)-5-oxo-3-[(S)-1-phenylethyl]imidazolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (S)-3-(tert-Butoxycarbonyl)-2-(2,6-dichlorophenyl)-1-[(S)-1-phenylethyl]imidazolidin-4-one
    Catalog Number:
    44468
    CAS Number:
    1149765-08-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30187601
    Molecular Formula:
    C22H24Cl2N2O3
    Molecular Weight:
    435.35
    Specification Sheet SDS

  • Benzyl chloroformate (30-35% in Toluene)

    Hazmat
    Purity:
    30 - 35% (Assay by titration)
    Synonym:
    Carbobenzoxy Chloride (30-35% in Toluene)
    Hazmat
    Catalog Number:
    42370
    CAS Number:
    501-53-1
    Purity Limit:
    30 - 35% (Assay by titration)
    MDL NO:
    MFCD00000640
    Molecular Formula:
    C8H7ClO2
    Molecular Weight:
    170.59
    Specification Sheet SDS

  • Phenylthiohydantoin-isoleucine (contains PTH-alloisoleucine)

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-sec-Butyl-3-phenyl-2-thiohydantoin (contains PTH-alloisoleucine)
    Catalog Number:
    41756
    CAS Number:
    5066-94-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00057213
    Molecular Formula:
    C13H16N2OS
    Molecular Weight:
    248.34
    Specification Sheet SDS

  • Phenylthiohydantoin-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PTH-proline
    Catalog Number:
    41764
    CAS Number:
    4333-21-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00056895
    Molecular Formula:
    C12H12N2OS
    Molecular Weight:
    232.3
    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

  • Phenylthiohydantoin-D-threonine

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    5-Ethylidene-3-phenyl-2-thiohydantoin
    Catalog Number:
    41762
    CAS Number:
    5800-50-0
    Purity Limit:
    ≥ 90% (HPLC)
    MDL NO:
    MFCD00070617
    Molecular Formula:
    C11H10N2OS
    Molecular Weight:
    218.27
    Specification Sheet SDS

  • Phenylthiohydantoin-arginine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(3-Guanidinopropyl)-3-phenyl-2-thiohydantoin hydrochloride
    Catalog Number:
    41763
    CAS Number:
    182153-75-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060177
    Molecular Formula:
    C13H17N5OS·HCl
    Molecular Weight:
    327.83
    Specification Sheet SDS

  • Phenylthiohydantoin-aspartic acid

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    3-Phenyl-2-thiohydantoin-5-acetic acid
    Catalog Number:
    41759
    CAS Number:
    5624-13-5
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD01076622
    Molecular Formula:
    C11H10N2O3S
    Molecular Weight:
    250.27
    Specification Sheet SDS

  • Phenylthiohydantoin-(Ne-phenylthiocarbamyl)-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PTH-(Ne-PTC)-lysine
    Catalog Number:
    41757
    CAS Number:
    29635-94-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151476
    Molecular Formula:
    C20H22N4OS2
    Molecular Weight:
    398.54
    Specification Sheet SDS

  • Phenylthiohydantoin-valine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Isopropyl-3-phenyl-2-thiohydantoin
    Catalog Number:
    41758
    CAS Number:
    4333-20-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06858300
    Molecular Formula:
    C12H14N2OS
    Molecular Weight:
    234.32
    Specification Sheet SDS

  • Phenylthiohydantoin methionine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-[2-(Methylthio)ethyl]-3-phenyl-2-thiohydantoin
    Catalog Number:
    41765
    CAS Number:
    4370-90-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06858379
    Molecular Formula:
    C12H14N2OS2
    Molecular Weight:
    266.38
    Specification Sheet SDS

  • Phenylthiohydantoin-tryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(3-Indolylmethyl)-3-phenyl-2-thiohydantoin
    Catalog Number:
    41760
    CAS Number:
    5789-24-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06858416
    Molecular Formula:
    C18H15N3OS
    Molecular Weight:
    321.4
    Specification Sheet SDS

  • Phenylthiohydantoin-glycine

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Phenyl-2-thiohydantoin
    Hazmat
    Catalog Number:
    41761
    CAS Number:
    2010-15-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00027413
    Molecular Formula:
    C9H8N2OS
    Molecular Weight:
    192.24
    Specification Sheet SDS

  • Phenylthiohydantoin-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Benzyl-3-phenyl-2-thiohydantoin
    Catalog Number:
    41751
    CAS Number:
    4332-97-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01076623
    Molecular Formula:
    C16H14N2OS
    Molecular Weight:
    282.36
    Specification Sheet SDS

  • Phenylthiohydantoin-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(4-Hydroxybenzyl)-3-phenyl-2-thiohydantoin
    Catalog Number:
    41755
    CAS Number:
    4332-95-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00027415
    Molecular Formula:
    C16H14N2O2S
    Molecular Weight:
    298.36
    Specification Sheet SDS

  • Phenylthiohydantoin-glutamic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    3-Phenyl-2-thiohydantoin-5-propionic acid
    Catalog Number:
    41752
    CAS Number:
    5624-27-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00070137
    Molecular Formula:
    C12H12N2O3S
    Molecular Weight:
    264.3
    Specification Sheet SDS

  • Phenylthiohydantoin-norleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Butyl-3-phenyl-2-thiohydantoin
    Catalog Number:
    41753
    CAS Number:
    4333-22-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038437
    Molecular Formula:
    C13H16N2OS
    Molecular Weight:
    248.34
    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-[1-[2-(2-Pyridylcarboxamido)phenyl]ethylidene]glycinato]nickel

    Purity:
    ≥ 96% (Assay by titration)
    Catalog Number:
    41243
    CAS Number:
    264921-97-3
    Purity Limit:
    ≥ 96% (Assay by titration)
    MDL NO:
    MFCD01823363
    Molecular Formula:
    C16H13N3NiO3
    Molecular Weight:
    353.99
    Specification Sheet SDS

  • [N-[α-[2-(Piperidinoacetamido)phenyl]benzylidene]glycinato]nickel

    Purity:
    ≥ 93% (Assay by titration)
    Catalog Number:
    41242
    CAS Number:
    847654-17-5
    Purity Limit:
    ≥ 93% (Assay by titration)
    MDL NO:
    MFCD10566925
    Molecular Formula:
    C22H23N3NiO3
    Molecular Weight:
    436.14
    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
    Molecular Weight:
    0.0
    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
    Molecular Weight:
    0.0
    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

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

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    (2,3-Dihydro-2-thioxo-3-benzoxazolyl)phosphonic acid diphenyl ester
    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
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