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Peptide Chemistry

Peptide Chemistry

6121
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-Nδ-4,4'-dimethoxybenzhydryl-L-glutamine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Fmoc-L-Gln(Mbh)-OH
    Catalog Number:
    02409
    CAS Number:
    113534-17-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00065644
    Molecular Formula:
    C35H34N2O7
    Molecular Weight:
    594.7
  • Fmoc-glycine N-hydroxysuccinimide ester

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-Gly-OSu
    Catalog Number:
    02420
    CAS Number:
    113484-74-5
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00065651
    Molecular Formula:
    C21H18N2O6
    Molecular Weight:
    394.4
  • Nα-Fmoc-Nδ-4,4'-dimethoxybenzhydryl-D-glutamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Nδ-4,4'-dimethoxybenzhydryl-D-glutamine
    Catalog Number:
    02410
    CAS Number:
    210645-01-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065645
    Molecular Formula:
    C35H34N2O7
    Molecular Weight:
    594.7
  • Fmoc-glycine pentafluorophenyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Gly-OPfp
    Catalog Number:
    02417
    CAS Number:
    86060-85-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037641
    Molecular Formula:
    C23H14F5NO4
    Molecular Weight:
    463.4
  • Fmoc-L-trans-4-hydroxyproline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Hyp-OH
    Catalog Number:
    02423
    CAS Number:
    88050-17-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151929
    Molecular Formula:
    C20H19NO5
    Molecular Weight:
    353.4
  • Fmoc-L-glutamic acid γ-tert-butyl ester α-pentafluorophenyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Glu(OtBu)-OPfp
    Catalog Number:
    02414
    CAS Number:
    86061-04-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065647
    Molecular Formula:
    C30H26F5NO6
    Molecular Weight:
    591.5
  • Fmoc-D-glutamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Gln-OH
    Catalog Number:
    02407
    CAS Number:
    112898-00-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00062959
    Molecular Formula:
    C20H20N2O5
    Molecular Weight:
    368.4
  • Fmoc-L-glutamine 4-nitrophenyl ester

    Synonym:
    Fmoc-L-Gln-ONp
    Catalog Number:
    02408
    CAS Number:
    71989-21-4
    MDL NO:
    MFCD00057763
    Molecular Formula:
    C26H23N3O7
    Molecular Weight:
    489.5
  • Fmoc-S-benzyl-L-cysteine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Cys(Bzl)-OH
    Catalog Number:
    02398
    CAS Number:
    53298-33-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065633
    Molecular Formula:
    C25H23NO4S
    Molecular Weight:
    433.53
  • Fmoc-L-aspartic acid β-benzyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Asp(OBzl)-OH
    Catalog Number:
    02392
    CAS Number:
    86060-84-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065630
    Molecular Formula:
    C26H23NO6
    Molecular Weight:
    445.5
  • Fmoc-L-aspartic acid-α-tert-butylester

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Asp-OtBu
    Catalog Number:
    02395
    CAS Number:
    129460-09-9
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00065631
    Molecular Formula:
    C23H25NO6
    Molecular Weight:
    411.5
  • Fmoc-L-aspartic acid β-tert-butyl ester α-N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Asp(OtBu)-OSu
    Catalog Number:
    02394
    CAS Number:
    78553-23-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00057809
    Molecular Formula:
    C27H28N2O8
    Molecular Weight:
    508.5
  • Nα-Fmoc-D-asparagine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Asn-OH
    Catalog Number:
    02383
    CAS Number:
    108321-39-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00062956
    Molecular Formula:
    C19H18N2O5
    Molecular Weight:
    354.4
  • Fmoc-L-aspartic acid β-1-adamantyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Asp(O-1-Ada)-OH
    Catalog Number:
    02388
    CAS Number:
    118534-81-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077309
    Molecular Formula:
    C29H31NO6
    Molecular Weight:
    489.5
  • Nα-Fmoc-Nω-(2,2,5,7,8-pentamethylchroman-6-sulfonyl)-D-arginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Arg(Pmc)-OH
    Catalog Number:
    02380
    CAS Number:
    157774-30-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065619
    Molecular Formula:
    C35H42N4O7S
    Molecular Weight:
    662.8
  • Nα-Fmoc-Nω-(4-toluenesulfonyl)-L-arginine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Fmoc-L-Arg(Tos)-OH
    Catalog Number:
    02381
    CAS Number:
    83792-47-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00063331
    Molecular Formula:
    C28H30N4O6S
    Molecular Weight:
    550.6
  • 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
  • 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
  • Catalog Number:
    02357
    CAS Number:
    105832-38-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077875
    Molecular Formula:
    C9H16O3N3BF4
    Molecular Weight:
    301.1
  • 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
  • Catalog Number:
    02297
    CAS Number:
    2491-17-0
    Purity Limit:
    ≥ 96% (NMR)
    MDL NO:
    MFCD00011979
    Molecular Formula:
    C14H26N3O·C7H7O3S
    Molecular Weight:
    423.6
  • 2-tert-Butyloxycarbonyloxyimino-2-phenyl acetonitrile

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-ON
    Catalog Number:
    02288
    CAS Number:
    58632-95-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00001863
    Molecular Formula:
    C13H14N2O3
    Molecular Weight:
    246.3
  • 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-valine 4-nitrophenyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Val-ONp
    Catalog Number:
    02271
    CAS Number:
    10512-93-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038116
    Molecular Formula:
    C19H20N2O6
    Molecular Weight:
    372.38
  • 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-O-benzyl-L-serine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Z-L-Ser(Bzl)-OH
    Catalog Number:
    02252
    CAS Number:
    20806-43-3
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00022029
    Molecular Formula:
    C18H19NO5
    Molecular Weight:
    329.4
  • 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