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Peptide Chemistry

Peptide Chemistry

6119
We’re here to help you turn your ideas into break-throughs with reliable and precise products — from solid phase synthesis to purification and analysis.

  • Nα-Fmoc-Nω-(4-toluenesulfonyl)-D-arginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Arg(Tos)-OH
    Catalog Number:
    02382
    CAS Number:
    139090-50-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065621
    Molecular Formula:
    C28H30N4O6S
    Molecular Weight:
    550.6
  • Fmoc-L-alanine pentafluorophenyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Ala-OPfp
    Catalog Number:
    02370
    CAS Number:
    86060-86-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065612
    Molecular Formula:
    C24H16F5NO4
    Molecular Weight:
    477.4
  • Nα-Fmoc-Nω-nitro-L-arginine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Arg(NO2)-OH
    Catalog Number:
    02378
    CAS Number:
    58111-94-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065617
    Molecular Formula:
    C21H23N5O6
    Molecular Weight:
    441.4
  • Nα-Fmoc-Nω-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-D-arginine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Arg(Mtr)-OH
    Catalog Number:
    02377
    CAS Number:
    120075-24-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065616
    Molecular Formula:
    C31H36N4O7S
    Molecular Weight:
    608.9
  • 4-Nitrophenyl trifluoroacetate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Trifluoroacetic acid 4-nitrophenyl ester
    Catalog Number:
    02341
    CAS Number:
    658-78-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00007324
    Molecular Formula:
    C8H4F3NO4
    Molecular Weight:
    235.12
  • 4-Pyrrolidinopyridine

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    1-(4-Pyridyl)pyrrolidine
    Hazmat
    Catalog Number:
    02356
    CAS Number:
    2456-81-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00006415
    Molecular Formula:
    C9H12N2
    Molecular Weight:
    148.2
  • 2-(2-Pyridon-1yl)-1,1,3,3-tetramethyluronium tetrafluoroborate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    TPTU/TOPPyU
    Catalog Number:
    02355
    CAS Number:
    125700-71-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00075475
    Molecular Formula:
    C10H16BF4N3O2
    Molecular Weight:
    297.06
  • Catalog Number:
    02343
    CAS Number:
    125700-73-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00167753
    Molecular Formula:
    C14H20BF4N3O3
    Molecular Weight:
    365.14
  • Z-L-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Tyr-OH
    Catalog Number:
    02266
    CAS Number:
    1164-16-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037180
    Molecular Formula:
    C17H17NO5
    Molecular Weight:
    315.3
  • Z-O-tert-butyl-D-tyrosine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Tyr(tBu)-OH·DCHA
    Catalog Number:
    02265
    CAS Number:
    198828-72-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065702
    Molecular Formula:
    C21H25NO5·C12H23N
    Molecular Weight:
    552.8
  • Z-D-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Tyr-OH
    Catalog Number:
    02267
    CAS Number:
    64205-12-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063031
    Molecular Formula:
    C17H17NO5
    Molecular Weight:
    315.3
  • Z-O-benzyl-L-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Thr(Bzl)-OH
    Catalog Number:
    02259
    CAS Number:
    69863-36-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077042
    Molecular Formula:
    C19H21NO5
    Molecular Weight:
    343.4
  • 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
  • Z-O-benzyl-L-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Tyr(Bzl)-OH
    Catalog Number:
    02269
    CAS Number:
    16677-29-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037819
    Molecular Formula:
    C24H23NO5
    Molecular Weight:
    405.4
  • Z-L-tyrosine 4-nitrophenyl ester

    Purity:
    ≥ 97%
    Synonym:
    Z-L-Tyr-ONp
    Catalog Number:
    02268
    CAS Number:
    3556-56-7
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00024659
    Molecular Formula:
    C23H20N2O7
    Molecular Weight:
    436.4
  • Z-O-tert-butyl-D-serine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Ser(tBu)-OH
    Catalog Number:
    02253
    CAS Number:
    65806-90-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077038
    Molecular Formula:
    C15H21NO5
    Molecular Weight:
    295.3
  • Nα-Z-D-tryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Trp-OH
    Catalog Number:
    02262
    CAS Number:
    2279-15-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037945
    Molecular Formula:
    C19H18N2O4
    Molecular Weight:
    338.4
  • Z-O-tert-butyl-L-tyrosine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Tyr(tBu)-OH·DCHA
    Catalog Number:
    02264
    CAS Number:
    16879-90-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038245
    Molecular Formula:
    C21H25NO5·C12H23N
    Molecular Weight:
    552.8
  • Nα-Z-L-tryptophan 4-nitrophenyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Z-L-Trp-ONp
    Catalog Number:
    02263
    CAS Number:
    16624-64-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00066469
    Molecular Formula:
    C25H21N3O6
    Molecular Weight:
    459.5
  • Z-L-threonine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Thr-OMe
    Catalog Number:
    02260
    CAS Number:
    57224-63-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038585
    Molecular Formula:
    C13H17NO5
    Molecular Weight:
    267.3
  • Nα-Z-L-tryptophan

    Purity:
    ≥ 98% ( HPLC)
    Synonym:
    Z-L-Trp-OH
    Catalog Number:
    02261
    CAS Number:
    7432-21-5
    Purity Limit:
    ≥ 98% ( HPLC)
    MDL NO:
    MFCD00065700
    Molecular Formula:
    C19H18N2O4
    Molecular Weight:
    338.4
  • Z-D-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Thr-OH
    Catalog Number:
    02257
    CAS Number:
    80384-27-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037808
    Molecular Formula:
    C12H15NO5
    Molecular Weight:
    253.3
  • Z-L-serine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Z-L-Ser-OH
    Catalog Number:
    02249
    CAS Number:
    1145-80-8
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00002662
    Molecular Formula:
    C11H13NO5
    Molecular Weight:
    239.2
  • Z-O-tert-butyl-L-threonine dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Thr(tBu)-OH·DCHA
    Catalog Number:
    02255
    CAS Number:
    16966-07-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077043
    Molecular Formula:
    C16H23NO5·C12H23N
    Molecular Weight:
    490.7
  • Z-L-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Thr-OH
    Catalog Number:
    02256
    CAS Number:
    19728-63-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065948
    Molecular Formula:
    C12H15NO5
    Molecular Weight:
    253.3
  • Z-L-threonine α-benzyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Thr-OBzl
    Catalog Number:
    02258
    CAS Number:
    16597-50-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077041
    Molecular Formula:
    C19H21NO5
    Molecular Weight:
    343.4
  • Z-L-proline 4-nitrophenyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Pro-ONp
    Catalog Number:
    02239
    CAS Number:
    3304-59-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00020828
    Molecular Formula:
    C19H18N2O6
    Molecular Weight:
    370.36
  • Z-L-serine benzyl ester

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Z-L-Ser-OBzl
    Catalog Number:
    02251
    CAS Number:
    21209-51-8
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00037824
    Molecular Formula:
    C18H19NO5
    Molecular Weight:
    329.35
  • Z-Pro-Pro-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-prolyl-L-proline
    Catalog Number:
    02243
    CAS Number:
    7360-23-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077035
    Molecular Formula:
    C18H22N2O5
    Molecular Weight:
    346.38
  • Z-L-serine methyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Z-L-Ser-OMe
    Catalog Number:
    02254
    CAS Number:
    1676-81-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00077039
    Molecular Formula:
    C12H15NO5
    Molecular Weight:
    253.2
  • Z-D-serine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Z-D-Ser-OH
    Catalog Number:
    02250
    CAS Number:
    6081-61-4
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00063144
    Molecular Formula:
    C11H13NO5
    Molecular Weight:
    239.2
  • Z-L-pyroglutamic acid

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    Z-L-Pyr-OH
    Catalog Number:
    02244
    CAS Number:
    32159-21-0
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00037352
    Molecular Formula:
    C13H13NO5
    Molecular Weight:
    263.2
  • Z-L-phenylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Phg-OH
    Catalog Number:
    02236
    CAS Number:
    53990-33-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077033
    Molecular Formula:
    C16H15NO4
    Molecular Weight:
    285.3
  • Z-L-pyroglutamic acid 4-nitrophenyl ester

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Z-L-Pyr-ONp
    Catalog Number:
    02246
    CAS Number:
    40356-52-3
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00077037
    Molecular Formula:
    C19H16N2O7
    Molecular Weight:
    384.34
  • Z-D-pyroglutamic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Pyr-OH
    Catalog Number:
    02245
    CAS Number:
    78339-57-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077036
    Molecular Formula:
    C13H13NO5
    Molecular Weight:
    263.2
  • Z-Pro-Ala-OH

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Z-L-prolyl-L-alanine
    Catalog Number:
    02240
    CAS Number:
    14030-00-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037328
    Molecular Formula:
    C16H20N2O5
    Molecular Weight:
    320.35
  • Z-Phe-Leu-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-phenylalanyl-L-leucine
    Catalog Number:
    02233
    CAS Number:
    4313-73-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038301
    Molecular Formula:
    C23H28N2O5
    Molecular Weight:
    412.49
  • Z-L-proline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Pro-OH
    Catalog Number:
    02237
    CAS Number:
    1148-11-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00003170
    Molecular Formula:
    C13H15NO4
    Molecular Weight:
    249.27
  • Z-Phe-His-Leu-OH

    Purity:
    99%
    Synonym:
    Z-L-phenylalanyl-L-histidyl-L-leucine
    Catalog Number:
    02232
    CAS Number:
    28458-19-7
    Purity Limit:
    99%
    MDL NO:
    MFCD00155532
    Molecular Formula:
    C29H35N5O6
    Molecular Weight:
    549.63
  • Z-D-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Pro-OH
    Catalog Number:
    02238
    CAS Number:
    6404-31-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063228
    Molecular Formula:
    C13H15NO4
    Molecular Weight:
    249.27
  • Z-Phe-Pro-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-phenylalanyl-L-proline
    Catalog Number:
    02235
    CAS Number:
    7669-64-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037337
    Molecular Formula:
    C22H24N2O5
    Molecular Weight:
    396.44
  • Z-Phe-Ala-diazomethylketone

    Purity:
    99%
    Synonym:
    Z-L-phenylalanyl-L-alanine-diazomethylketone
    Catalog Number:
    02229
    CAS Number:
    71732-53-1
    Purity Limit:
    99%
    MDL NO:
    MFCD00077029
    Molecular Formula:
    C21H22N4O4
    Molecular Weight:
    394.43
  • Z-L-phenylalanine amide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Phe-NH2
    Catalog Number:
    02226
    CAS Number:
    4801-80-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077028
    Molecular Formula:
    C17H18N2O3
    Molecular Weight:
    298.3
  • Z-Phe-Arg-AMC·HCl

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    02230
    CAS Number:
    65147-22-0
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00077030
    Molecular Formula:
    C33H36N6O6·HCl
    Molecular Weight:
    649.15
  • Z-Phe-Gly-OH

    Purity:
    ≥ 99%
    Synonym:
    Z-L-phenylalanyl-L-glycine
    Catalog Number:
    02231
    CAS Number:
    13122-99-1
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00037782
    Molecular Formula:
    C19H20N2O5
    Molecular Weight:
    356.38
  • Z-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Phe-OH
    Catalog Number:
    02225
    CAS Number:
    2448-45-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063151
    Molecular Formula:
    C17H17NO4
    Molecular Weight:
    299.3
  • Nd-Z-L-ornithine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Orn(Z)-OH
    Catalog Number:
    02223
    CAS Number:
    3304-51-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037220
    Molecular Formula:
    C13H18N2O4
    Molecular Weight:
    266.3
  • Nα-Z-L-ornithine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Orn-OH
    Catalog Number:
    02221
    CAS Number:
    2640-58-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038200
    Molecular Formula:
    C13H18N2O4
    Molecular Weight:
    266.3
  • Nα,δ-Bis-Z-L-ornithine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Orn(Z)-OH
    Catalog Number:
    02222
    CAS Number:
    2274-58-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037821
    Molecular Formula:
    C21H24N2O6
    Molecular Weight:
    400.4
  • L-Pyroglutamic acid-β-naphthylamide

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Pyr-bNA
    Hazmat
    Catalog Number:
    02108
    CAS Number:
    22155-91-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00055911
    Molecular Formula:
    C15H14N2O2
    Molecular Weight:
    254.3