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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.

  • Fmoc-S-4-methylbenzyl-D-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Cys(pMeBzl)-OH
    Catalog Number:
    05693
    CAS Number:
    200354-41-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237013
    Molecular Formula:
    C26H25NO4S
    Molecular Weight:
    447.6
  • Fmoc-L-aspartic acid β-benzyl ester α-pentafluorophenyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Asp(OBzl)-OPfp
    Catalog Number:
    05677
    CAS Number:
    86061-03-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237044
    Molecular Formula:
    C32H22NO6F5
    Molecular Weight:
    611.53
  • Fmoc-D-aspartic acid α-amide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Asp-NH2
    Catalog Number:
    05689
    CAS Number:
    200335-41-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237392
    Molecular Formula:
    C19H18N2O5
    Molecular Weight:
    354.36
  • Catalog Number:
    05650
    CAS Number:
    90102-79-7
    Purity Limit:
    ≥ 90% (TLC)
    MDL NO:
    MFCD00236749
    Molecular Formula:
    C13H20N2O5·C12H23N
    Molecular Weight:
    465.63
  • Fmoc-L-aspartic acid α-benzyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Asp-OBzl
    Catalog Number:
    05680
    CAS Number:
    86060-83-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00198201
    Molecular Formula:
    C26H23NO6
    Molecular Weight:
    445.48
  • DL-α-Aminopimelic acid

    Purity:
    ≥ 99% (TLC)
    Synonym:
    DL-2-Aminoheptanedioic acid
    Catalog Number:
    05651
    CAS Number:
    627-76-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00053314
    Molecular Formula:
    C7H13NO4
    Molecular Weight:
    175.2
  • Fmoc-D-allo-isoleucine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-D-allo-Ile-OH
    Catalog Number:
    05685
    CAS Number:
    118904-37-3
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00077062
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.4
  • Fmoc-O-tert-butyl-L-allo-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-allo-L-Thr(tBu)-OH
    Catalog Number:
    05673
    CAS Number:
    201481-37-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237371
    Molecular Formula:
    C23H27NO5
    Molecular Weight:
    397.46
  • Na-Benzyl-Nim-benzyl-L-histidine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Bzl-L-His(Bzl)-OH
    Catalog Number:
    05638
    CAS Number:
    57101-60-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00022422
    Molecular Formula:
    C20H21N3O2
    Molecular Weight:
    335.41
  • Nα-Fmoc-L-asparagine 4-nitrophenyl ester

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    Fmoc-L-Asn-ONp
    Catalog Number:
    05675
    CAS Number:
    71989-17-8
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00063329
    Molecular Formula:
    C25H21N3O7
    Molecular Weight:
    475.46
  • Nα-Z-hydrazide

    Purity:
    ≥ 98.0% (HPLC)
    Synonym:
    Z-NHNH2
    Catalog Number:
    05288
    CAS Number:
    5331-43-1
    Purity Limit:
    ≥ 98.0% (HPLC)
    MDL NO:
    MFCD00041890
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.18
  • Benzyl-O-benzyl-serine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Bzl-L-Ser(Bzl)-OH
    Catalog Number:
    05643
    CAS Number:
    201209-83-8
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00083618
    Molecular Formula:
    C17H19NO3
    Molecular Weight:
    285.32
  • Nα-Benzoyl-DL-arginine β-naphthylamide hydrochloride

    Purity:
    ≥ 97% (Nth : 15.92%)
    Synonym:
    Bz-DL-Arg-βNA·HCl
    Catalog Number:
    05628
    CAS Number:
    913-04-2
    Purity Limit:
    ≥ 97% (Nth : 15.92%)
    MDL NO:
    MFCD00038940
    Molecular Formula:
    C23H25N5O2·HCl
    Molecular Weight:
    439.95
  • D-2,3-Diaminopropionic acid hydrochloride

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    D-Dap-OH·HCl
    Catalog Number:
    05645
    CAS Number:
    6018-56-0
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00070606
    Molecular Formula:
    C3H8N2O2·HCl
    Molecular Weight:
    140.6
  • D-allo-Threoninol

    Purity:
    ≥ 95% (NMR)
    Synonym:
    D-allo-Thr-ol
    Catalog Number:
    05647
    CAS Number:
    44520-54-9
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00237374
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    105.1
  • DL-α-Aminosuberic acid

    Purity:
    ≥ 98% (Titration)
    Synonym:
    DL-Asu-OH
    Catalog Number:
    05648
    CAS Number:
    3054-07-7
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD00063122
    Molecular Formula:
    C8H15NO4
    Molecular Weight:
    189.21
  • Benzoyl-L-citrulline methyl ester

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Bz-L-Cit-OMe
    Catalog Number:
    05623
    CAS Number:
    14325-36-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00038142
    Molecular Formula:
    C14H19N3O4
    Molecular Weight:
    293.2
  • Nα-Benzyl-L-histidine methyl ester dihydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Bzl-L-His-OMe·2HCl
    Catalog Number:
    05640
    CAS Number:
    102029-99-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00167636
    Molecular Formula:
    C14H17N3O2·2HCl
    Molecular Weight:
    332.3
  • Benzyl glycine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Bzl-Gly-OH·HCl
    Catalog Number:
    05637
    CAS Number:
    7689-50-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00156934
    Molecular Formula:
    C9H11NO2·HCl
    Molecular Weight:
    201.65
  • N-Benzyl-N-methyl-L-serine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Bzl-N-Me-L-Ser-OH
    Catalog Number:
    05642
    CAS Number:
    201208-99-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00237598
    Molecular Formula:
    C11H15NO3
    Molecular Weight:
    209.25
  • Benzyl-L-serine

    Purity:
    ≥ 99% (assay)
    Synonym:
    Bzl-L-Ser-OH
    Catalog Number:
    05644
    CAS Number:
    17136-45-7
    Purity Limit:
    ≥ 99% (assay)
    MDL NO:
    MFCD00020417
    Molecular Formula:
    C10H13NO3
    Molecular Weight:
    195.22
  • Benzoyl-L-Valine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Bz-L-Val-OH
    Catalog Number:
    05635
    CAS Number:
    5699-79-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00066064
    Molecular Formula:
    C12H15NO3
    Molecular Weight:
    221.2
  • Benzyl-L-isoleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Bzl-L-Ile-OH
    Catalog Number:
    05641
    CAS Number:
    1859-49-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038331
    Molecular Formula:
    C13H19NO2
    Molecular Weight:
    221.3
  • Benzoyl-DL-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Bz-DL-Phe-OH
    Catalog Number:
    05630
    CAS Number:
    2901-76-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037252
    Molecular Formula:
    C16H15NO3
    Molecular Weight:
    269.3
  • Benzoyl-DL-phenylalanine β-naphthylamide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Bz-DL-Phe-βNA
    Catalog Number:
    05632
    CAS Number:
    100900-32-1
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00021596
    Molecular Formula:
    C26H22N2O2
    Molecular Weight:
    394.3
  • Nα-Benzoyl-DL-arginine hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Bz-DL-Arg-OH·HCl
    Catalog Number:
    05626
    CAS Number:
    125652-40-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD06795766
    Molecular Formula:
    C13H18N4O3·HCl
    Molecular Weight:
    314.8
  • Boc-β-cyclopropyl-L-Alanine·DCHA

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Ala(β-cyclopropyl)-OH dicyclohexylammonium salt
    Catalog Number:
    05608
    CAS Number:
    89483-07-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03093869
    Molecular Formula:
    C11H19NO4·C12H23N
    Molecular Weight:
    410.53
  • Nα-Benzoyl-L-asparagine 4-nitroanilide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Bz-L-Asn-pNA
    Catalog Number:
    05621
    CAS Number:
    201733-11-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237593
    Molecular Formula:
    C17H16N4O5
    Molecular Weight:
    356.3
  • Bz-Arg-4-Abz-OH·HCl

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Nα-Benzoyl-L-arginine 4-carboxyanilide hydrochloride
    Catalog Number:
    05618
    CAS Number:
    60833-82-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00082418
    Molecular Formula:
    C20H23N5O4·HCl
    Molecular Weight:
    433.89
  • Boc-L-serine benzyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Ser-OBzl
    Catalog Number:
    05600
    CAS Number:
    59524-02-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076983
    Molecular Formula:
    C15H21NO5
    Molecular Weight:
    295.34
  • Boc-O-acetyl-L-tyrosine

    Purity:
    ≥ 98%
    Synonym:
    Boc-L-Tyr(Ac)-OH
    Catalog Number:
    05612
    CAS Number:
    80971-82-0
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00057973
    Molecular Formula:
    C16H21NO6
    Molecular Weight:
    323.35
  • Boc-β-chloro-L-alanine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    Boc-β-chloro-L-Ala-OH
    Catalog Number:
    05604
    CAS Number:
    71404-98-3
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00672318
    Molecular Formula:
    C8H14NO4Cl
    Molecular Weight:
    223.66
  • Benzoyl-L-alanine β-naphthylamide

    Synonym:
    Bz-L-Ala-βNA
    Catalog Number:
    05617
    CAS Number:
    201988-47-8
    MDL NO:
    MFCD00237587
    Molecular Formula:
    C20H18N2O2
    Molecular Weight:
    318.2
  • Boc-D-neopentylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Boc-D-β-tBuAla-OH
    Catalog Number:
    05610
    CAS Number:
    112695-98-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00798621
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.33
  • Benzoyl-L-aspartic acid α- methyl ester

    Purity:
    ≥ 99%
    Synonym:
    Benzoyl-L-aspartic acid α- methyl ester
    Catalog Number:
    05622
    CAS Number:
    82933-21-9
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00237594
    Molecular Formula:
    C12H13NO5
    Molecular Weight:
    251.2
  • Boc-O-4-chlorobenzyl-L-threonine dicyclohexylammonium salt

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-L-Thr(4-ClBzl)-OH·DCHA
    Catalog Number:
    05611
    CAS Number:
    60803-72-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00076989
    Molecular Formula:
    C16H22NO5Cl·C12H23N
    Molecular Weight:
    525.13
  • Boc-L-pyroglutamic acid dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Pyr-OH·DCHA
    Catalog Number:
    05597
    CAS Number:
    4677-75-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076982
    Molecular Formula:
    C10H15NO5·C12H23N
    Molecular Weight:
    410.52
  • Boc-β-tert-butyl-L-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-β-tBu-L-Ala-OH
    Catalog Number:
    05609
    CAS Number:
    79777-82-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237540
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.33
  • Boc-N-methyl-L-tyrosine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-N-Me-L-Tyr-OH·DCHA
    Catalog Number:
    05578
    CAS Number:
    95105-25-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237569
    Molecular Formula:
    C15H21NO5·C12H23N
    Molecular Weight:
    476.63
  • Boc-O-methyl-L-serine dicyclohexylammonium salt

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Boc-L-Ser(Me)-OH·DCHA
    Catalog Number:
    05599
    CAS Number:
    51293-47-1
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD09260875
    Molecular Formula:
    C9H17NO5·C12H23N
    Molecular Weight:
    400.53
  • Boc-β-Cyclohexylalaninol

    Purity:
    ≥ 99% (Assay by titration on dried basis)
    Synonym:
    Boc-3-Cyclohexyl-L-alaninol
    Catalog Number:
    05607
    CAS Number:
    103322-56-1
    Purity Limit:
    ≥ 99% (Assay by titration on dried basis)
    MDL NO:
    MFCD00076899
    Molecular Formula:
    C14H27NO3
    Molecular Weight:
    257.7
  • Boc-β-cyano-L-alanine

    Purity:
    ≥ 98%
    Synonym:
    Boc-β-cyano-L-Ala-OH
    Catalog Number:
    05605
    CAS Number:
    45159-34-0
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00237539
    Molecular Formula:
    C9H14N2O4
    Molecular Weight:
    214.22
  • Boc-4-azido-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Phe(4-N3)-OH
    Catalog Number:
    05581
    CAS Number:
    33173-55-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237570
    Molecular Formula:
    C14H18N4O4
    Molecular Weight:
    306.32
  • Boc-N-methyl-4-nitro-L-phenylalanine dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-N-Me-L-Phe(4-NO2)-OH·DCHA
    Catalog Number:
    05572
    CAS Number:
    70663-56-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038840
    Molecular Formula:
    C15H20N2O6·C12H23N
    Molecular Weight:
    505.46
  • Boc-O-acetyl-L-serine dicyclohexylammonium salt

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Boc-L-Ser(Ac)-OH·DCHA
    Catalog Number:
    05598
    CAS Number:
    7801-80-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00151894
    Molecular Formula:
    C10H17NO6·C12H23N
    Molecular Weight:
    428.54
  • Boc-N-methyl-O-acetyl-L-tyrosine dicyclohexylammonium salt

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-N-Me-L-Tyr(Ac)-OH·DCHA
    Catalog Number:
    05575
    CAS Number:
    201294-70-4
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00236868
    Molecular Formula:
    C17H23NO6·C12H23N
    Molecular Weight:
    518.67
  • Boc-N-methyl-L-phenylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-N-Me-L-Phg-OH
    Catalog Number:
    05573
    CAS Number:
    30925-11-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038799
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.3
  • Nα-Boc-Nα-methyl-Nε-Z-L-lysine dicyclohexylammonium salt

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Boc-N-Me-L-Lys(Z)-OH·DCHA
    Catalog Number:
    05570
    CAS Number:
    201002-18-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00236866
    Molecular Formula:
    C20H30N2O6·C12H23N
    Molecular Weight:
    575.79
  • Boc-4-azido-D-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-D-Phe(4-N3)-OH
    Catalog Number:
    05580
    CAS Number:
    214630-05-4
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00798620
    Molecular Formula:
    C14H18N4O4
    Molecular Weight:
    306.32
  • Boc-N-methyl-4-chloro-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-N-Me-D-Phe(4-Cl)-OH
    Catalog Number:
    05571
    CAS Number:
    125324-00-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00236864
    Molecular Formula:
    C15H20NO4Cl
    Molecular Weight:
    313.76