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Peptide Synthesis Reagents

159
Sub Categories
Amine Protection 17
Amino Acid Sequencing Reagents 32
Peptide Coupling Reagents 103
Precursors For Amino Acid Synthesis 5
Solvents And Mixtures For Peptide Synthesis 2
Filters

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

    Hazmat
    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    HATU
    Hazmat
    Catalog Number:
    12881
    Purity Limit:
    ≥ 99.5% (HPLC)
    CAS Number:
    148893-10-1
    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
    Purity Limit:
    ≥ 99% (Assay)
    CAS Number:
    693-13-0
    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
    Purity Limit:
    ≥ 98% (Assay by titration)
    CAS Number:
    25952-53-8
    MDL NO:
    MFCD00012503
    Molecular Formula:
    C8H17N3·HCl
    Molecular Weight:
    191.7
    Specification Sheet SDS

  • Trifluoroacetic acid

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    TFA
    Hazmat
    Catalog Number:
    00289
    Purity Limit:
    ≥ 99% (Assay)
    CAS Number:
    76-05-1
    MDL NO:
    MFCD00004169
    Molecular Formula:
    C2HF3O2
    Molecular Weight:
    114.02
    Specification Sheet SDS

  • Ethyl (hydroxyimino)cyanoacetate

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

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

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

  • 1,3-Dicyclohexylcarbodiimide

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

  • Di-tert-butyl pyrocarbonate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Boc anhydride
    Hazmat
    Catalog Number:
    00128
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    24424-99-5
    MDL NO:
    MFCD00008805
    Molecular Formula:
    C10H18O5
    Molecular Weight:
    218.25
    Specification Sheet SDS

  • N,N'-Diisopropylethylamine

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Ethyldiisopropylamine
    Hazmat
    Catalog Number:
    00141
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    7087-68-5
    MDL NO:
    MFCD00008868
    Molecular Formula:
    C8H19N
    Molecular Weight:
    129.25
    Specification Sheet SDS

  • Trifluoroacetic acid

    Hazmat
    Purity:
    ≥ 99.9% (Assay)
    Synonym:
    TFA
    Hazmat
    Catalog Number:
    02883
    Purity Limit:
    ≥ 99.9% (Assay)
    CAS Number:
    76-05-1
    MDL NO:
    MFCD00004169
    Molecular Formula:
    C2HF3O2
    Molecular Weight:
    114.02
    Specification Sheet SDS

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

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

  • Triphosgene

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

  • Diphenyl phosphoryl azide

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

  • Acetic acid, glacial

    Hazmat
    Grade:
    ACS reagent
    Purity:
    ≥ 99.7% (GC)
    Hazmat
    Catalog Number:
    02028
    Grade:
    ACS reagent
    Purity Limit:
    ≥ 99.7% (GC)
    CAS Number:
    64-19-7
    MDL NO:
    MFCD00036152
    Molecular Formula:
    C2H4O2
    Molecular Weight:
    60.05
    Specification Sheet SDS

  • Fmoc-Chloride

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    9-Fluorenylmethyl chloroformate
    Hazmat
    Catalog Number:
    00144
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    28920-43-6
    MDL NO:
    MFCD00001138
    Molecular Formula:
    C15H11ClO2
    Molecular Weight:
    258.7
    Specification Sheet SDS

  • Acrylic acid N-hydroxysuccinimide ester

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

  • Bis(pentafluorophenyl) carbonate

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

  • P-Chlorodiphenylphosphine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Diphenyl chlorophosphine
    Hazmat
    Catalog Number:
    06895
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    1079-66-9
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    125700-67-6
    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
    Purity Limit:
    ≥ 99% (assay)
    CAS Number:
    100-02-7
    MDL NO:
    MFCD00007331
    Molecular Formula:
    C6H5NO3
    Molecular Weight:
    139.11
    Specification Sheet SDS

  • (Benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate

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

  • Bromo-tris-pyrrolidino-phosphonium hexafluorophosphate

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

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

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

  • N-(9-Fluorenylmethoxycarbonyloxy)succinimide

    Hazmat
    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-OSu
    Hazmat
    Catalog Number:
    00147
    Purity Limit:
    ≥ 98.5% (HPLC)
    CAS Number:
    82911-69-1
    MDL NO:
    MFCD00010733
    Molecular Formula:
    C19H15NO5
    Molecular Weight:
    337.3
    Specification Sheet SDS

  • N,N-Carbonyldiimidazole

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    CDI
    Hazmat
    Catalog Number:
    00051
    Purity Limit:
    ≥ 97% (Assay by titration)
    CAS Number:
    530-62-1
    MDL NO:
    MFCD00005286
    Molecular Formula:
    C7H6N4O
    Molecular Weight:
    162.15
    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
    Purity Limit:
    ≥ 99.8% (GC)
    CAS Number:
    141-78-6
    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
    Purity Limit:
    ≥ 99.5% (Assay by titration)
    CAS Number:
    64-19-7
    MDL NO:
    MFCD00036152
    Molecular Formula:
    C2H4O2
    Molecular Weight:
    60.05
    Specification Sheet

  • 1-Chlorobutane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Butyl chloride
    Hazmat
    Catalog Number:
    47399
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    109-69-3
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    1004755-00-3
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    1149765-08-1
    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
    Purity Limit:
    30 - 35% (Assay by titration)
    CAS Number:
    501-53-1
    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 (containsPTH-alloisoleucine)
    Catalog Number:
    41756
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    5066-94-4
    MDL NO:
    MFCD00057213
    Molecular Formula:
    C13H16N2OS
    Molecular Weight:
    248.34
    Specification Sheet SDS

  • Phenylthiohydantoin-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PTH-proline
    Catalog Number:
    41764
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4333-21-5
    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
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    2879-60-9
    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
    Purity Limit:
    ≥ 90% (HPLC)
    CAS Number:
    5800-50-0
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    182153-75-9
    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
    Purity Limit:
    ≥ 95% (Assay by titration)
    CAS Number:
    5624-13-5
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    29635-94-7
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4333-20-4
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4370-90-5
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    5789-24-2
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    2010-15-3
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4332-97-2
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4332-95-0
    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
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    5624-27-1
    MDL NO:
    MFCD00070137
    Molecular Formula:
    C12H12N2O3S
    Molecular Weight:
    264.3
    Specification Sheet SDS

  • Heptane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    41754
    Purity Limit:
    ≥ 99% (GC)
    CAS Number:
    142-82-5
    MDL NO:
    MFCD00009544
    Molecular Formula:
    C7H16
    Molecular Weight:
    100.21
    Specification Sheet SDS

  • Phenylthiohydantoin-norleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Butyl-3-phenyl-2-thiohydantoin
    Catalog Number:
    41753
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    4333-22-6
    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
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    206752-41-2
    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
    Purity Limit:
    ≥ 96% (Assay by titration)
    CAS Number:
    264921-97-3
    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
    Purity Limit:
    ≥ 93% (Assay by titration)
    CAS Number:
    847654-17-5
    MDL NO:
    MFCD10566925
    Molecular Formula:
    C22H23N3NiO3
    Molecular Weight:
    436.14
    Specification Sheet SDS
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