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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.
Sub Categories
Amino Acid Alcohols 238
Amino Acids & Derivatives 1934
Azido Amino Acids 114
Inhibitors 454
Isoacyl Dipeptides 9
Linkers 11
N-Methyl Amino Acids 139
Peptide Synthesis Reagents 158
Pre-Loaded Resins For Solid Phase Peptide & Organic Synthesis 286
Pseudoproline Dipeptides 45
Resins For Peptide Synthesis 234
Resins For Solid Phase Synthesis 255
Small Peptides 76
Substrates 572
Unusual Amino Acids 2217

  • Nε-Boc-L-lysine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Lys(Boc)-OMe·HCl
    Catalog Number:
    03099
    CAS Number:
    2389-48-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076959
    Molecular Formula:
    C12H24N2O4·HCl
    Molecular Weight:
    296.8
    Specification Sheet SDS

  • Nα-Benzoyl-L-arginine ethyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Bz-L-Arg-OEt·HCl
    Catalog Number:
    03031
    CAS Number:
    2645-08-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012579
    Molecular Formula:
    C15H22N4O3·HCl
    Molecular Weight:
    342.8
    Specification Sheet SDS

  • L-Threonine benzyl ester oxalate(1:1)

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Thr-OBzl·oxalate(1:1)
    Catalog Number:
    03144
    CAS Number:
    201274-07-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259509
    Molecular Formula:
    C11H15NO3·C2H2O4
    Molecular Weight:
    299.3
    Specification Sheet SDS

  • D-Phenylalanine tert-butyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe-OtBu·HCl
    Catalog Number:
    03119
    CAS Number:
    3403-25-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153455
    Molecular Formula:
    C13H19NO2·HCl
    Molecular Weight:
    257.8
    Specification Sheet SDS

  • L-Phenylalanine ethyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phe-OEt·HCl
    Catalog Number:
    03120
    CAS Number:
    3182-93-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012507
    Molecular Formula:
    C11H15NO2·HCl
    Molecular Weight:
    229.7
    Specification Sheet SDS

  • D-Methionine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Met-OMe·HCl
    Catalog Number:
    03106
    CAS Number:
    69630-60-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00070385
    Molecular Formula:
    C6H13NO2S·Cl
    Molecular Weight:
    199.7
    Specification Sheet SDS

  • S-tert-Butylthio-L-cysteine

    Purity:
    ≥ 99.5% (Chiral purity)
    Synonym:
    L-Cys(StBu)-OH
    Catalog Number:
    03051
    CAS Number:
    30044-51-0
    Purity Limit:
    ≥ 99.5% (Chiral purity)
    MDL NO:
    MFCD00002609
    Molecular Formula:
    C7H15NO2S2
    Molecular Weight:
    209.3
    Specification Sheet SDS

  • Nw-Nitro-L-arginine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Arg(NO2)-OMe·HCl
    Catalog Number:
    03026
    CAS Number:
    51298-62-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00039052
    Molecular Formula:
    C7H15N5O4·Cl
    Molecular Weight:
    269.7
    Specification Sheet SDS

  • Sarcosine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Sar-OMe·HCl
    Catalog Number:
    03135
    CAS Number:
    13515-93-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038876
    Molecular Formula:
    C4H9NO2·HCl
    Molecular Weight:
    139.6
    Specification Sheet SDS

  • L-Aspartic acid b-tert-butyl ester a-methyl ester hydrochloride

    Catalog Number:
    03044
    CAS Number:
    2673-19-0
    MDL NO:
    MFCD00153427
    Molecular Formula:
    C9H17NO4·HCl
    Molecular Weight:
    239.7
    Specification Sheet SDS

  • D-Phenylalanine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Phe-OMe·HCl
    Catalog Number:
    03122
    CAS Number:
    13033-84-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00066112
    Molecular Formula:
    C10H13NO2·HCl
    Molecular Weight:
    215.7
    Specification Sheet SDS

  • L-Isoleucine methyl ester hydrochloride

    Purity:
    97.5 - 101.5% (Assay)
    Synonym:
    L-Ile-OMe·HCl
    Catalog Number:
    03086
    CAS Number:
    18598-74-8
    Purity Limit:
    97.5 - 101.5% (Assay)
    MDL NO:
    MFCD00038911
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.7
    Specification Sheet SDS

  • S-Benzyl-L-cysteine methyl ester hydrochloride

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    L-Cys(Bzl)-OMe·HCl
    Catalog Number:
    03049
    CAS Number:
    16741-80-3
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00034845
    Molecular Formula:
    C11H15NO2S·HCl
    Molecular Weight:
    261.8
    Specification Sheet SDS

  • L-Methionine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Met-OMe·HCl
    Catalog Number:
    03105
    CAS Number:
    2491-18-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012491
    Molecular Formula:
    C6H13NO2S·HCl
    Molecular Weight:
    199.7
    Specification Sheet SDS

  • L-Tyrosine ethyl ester hydrochloride

    Purity:
    ≥ 99.5% (HPLC, Chiral purity)
    Synonym:
    L-Tyr-OEt·HCl
    Catalog Number:
    03158
    CAS Number:
    4089-07-0
    Purity Limit:
    ≥ 99.5% (HPLC, Chiral purity)
    MDL NO:
    MFCD00063047
    Molecular Formula:
    C11H15NO3·HCl
    Molecular Weight:
    245.7
    Specification Sheet SDS

  • L-Leucine ethyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Leu-OEt·HCl
    Catalog Number:
    03093
    CAS Number:
    2743-40-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00034879
    Molecular Formula:
    C8H17NO2·HCl
    Molecular Weight:
    195.7
    Specification Sheet SDS

  • L-Tyrosine tert-butyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Tyr-OtBu
    Catalog Number:
    03157
    CAS Number:
    16874-12-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00042644
    Molecular Formula:
    C13H19NO3
    Molecular Weight:
    237.3
    Specification Sheet SDS

  • D-Glutamic acid γ-benzyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Glu(OBzl)-OH
    Catalog Number:
    03058
    CAS Number:
    2578-33-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063111
    Molecular Formula:
    C12H15NO4
    Molecular Weight:
    237.3
    Specification Sheet SDS

  • Nα-Benzoyl-L-histidine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Bz-L-His-OH
    Catalog Number:
    03081
    CAS Number:
    5354-94-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037850
    Molecular Formula:
    C13H13N3O3
    Molecular Weight:
    259.3
    Specification Sheet SDS

  • Glycine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Gly-OBzl·TosOH
    Catalog Number:
    03071
    CAS Number:
    1738-76-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00035425
    Molecular Formula:
    C9H11NO2·C7H8O3S
    Molecular Weight:
    337.4
    Specification Sheet SDS

  • D-Phenylalanine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Phe-OBzl·TosOH
    Catalog Number:
    03117
    CAS Number:
    28607-46-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00066129
    Molecular Formula:
    C16H17NO2·C7H8O3S
    Molecular Weight:
    427.5
    Specification Sheet SDS

  • Benzoyl-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Bz-L-Ala-OH
    Catalog Number:
    03017
    CAS Number:
    2198-64-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063128
    Molecular Formula:
    C10H11NO3
    Molecular Weight:
    193.2
    Specification Sheet SDS

  • O-tert-Butyl-D-serine t-butyl ester hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    D-Ser(tBu)-OtBu·HCl
    Catalog Number:
    03140
    CAS Number:
    179559-35-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00153462
    Molecular Formula:
    C11H23NO3·HCl
    Molecular Weight:
    253.8
    Specification Sheet SDS

  • L-Aspartic acid dibenzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Asp(OBzl)-OBzl·TosOH
    Catalog Number:
    03040
    CAS Number:
    2886-33-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065188
    Molecular Formula:
    C18H19NO4·C7H8O3S
    Molecular Weight:
    485.6
    Specification Sheet SDS

  • L-Aspartic acid β-benzyl ester α-amide hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Asp(OBzl)-NH2·HCl
    Catalog Number:
    03041
    CAS Number:
    199118-68-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00153425
    Molecular Formula:
    C11H14N2O3·HCl
    Molecular Weight:
    258.8
    Specification Sheet SDS

  • trans-L-4-Hydroxyproline methyl ester hydrochloride

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Hyp-OMe·HCl
    Catalog Number:
    03083
    CAS Number:
    40216-83-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00080855
    Molecular Formula:
    C6H11NO3·HCl
    Molecular Weight:
    181.6
    Specification Sheet SDS

  • L-Glutamic acid dimethyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Glu(OMe)-OMe·HCl
    Catalog Number:
    03066
    CAS Number:
    23150-65-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038879
    Molecular Formula:
    C7H13NO4·HCl
    Molecular Weight:
    211.6
    Specification Sheet SDS

  • L-Alanine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Ala-OBzl·TosOH
    Catalog Number:
    03012
    CAS Number:
    42854-62-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00066143
    Molecular Formula:
    C10H13NO2·C7H8SO3
    Molecular Weight:
    351.4
    Specification Sheet SDS

  • Nim-Trityl-histidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-His(Trt)-OH
    Catalog Number:
    02911
    CAS Number:
    35146-32-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00153444
    Molecular Formula:
    C25H23N3O2
    Molecular Weight:
    397.48
    Specification Sheet SDS

  • Boc-O-benzyl-D-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Thr(Bzl)-OH
    Catalog Number:
    02902
    CAS Number:
    69355-99-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038247
    Molecular Formula:
    C16H23NO5
    Molecular Weight:
    309.36
    Specification Sheet SDS

  • Boc-D-serine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Ser-OH
    Catalog Number:
    02895
    CAS Number:
    6368-20-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063142
    Molecular Formula:
    C8H15NO5
    Molecular Weight:
    205.22
    Specification Sheet SDS

  • Boc-D-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Tyr-OH
    Catalog Number:
    02896
    CAS Number:
    70642-86-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063030
    Molecular Formula:
    C14H19NO5
    Molecular Weight:
    281.3
    Specification Sheet SDS

  • Fmoc-D-tyrosine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Fmoc-D-Tyr-OH
    Catalog Number:
    02893
    CAS Number:
    112883-29-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00171384
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.6
    Specification Sheet SDS

  • Boc-(3S-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Tic(OH)-OH
    Catalog Number:
    02869
    CAS Number:
    142335-42-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00671683
    Molecular Formula:
    C15H19NO5
    Molecular Weight:
    293.3
    Specification Sheet SDS

  • L-3,4-Dichlorophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(3,4-DiCl)-OH
    Catalog Number:
    02854
    CAS Number:
    52794-99-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191203
    Molecular Formula:
    C9H9NO2Cl2
    Molecular Weight:
    234.2
    Specification Sheet SDS

  • Fmoc-3,4-dichloro-D-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Phe(3,4-DiCl)-OH
    Catalog Number:
    02880
    CAS Number:
    177966-58-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00273472
    Molecular Formula:
    C24H19Cl2NO4
    Molecular Weight:
    456.4
    Specification Sheet SDS

  • L-Octahydroindole-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Oic-OH
    Catalog Number:
    02860
    CAS Number:
    80875-98-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD07782125
    Molecular Formula:
    C9H15NO2
    Molecular Weight:
    169.2
    Specification Sheet SDS

  • 4-Chloro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(4-Cl)-OH
    Catalog Number:
    02862
    CAS Number:
    14091-08-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079675
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.6
    Specification Sheet SDS

  • 4-Fluoro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(4-F)-OH
    Catalog Number:
    02863
    CAS Number:
    18125-46-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063063
    Molecular Formula:
    C9H10FNO2
    Molecular Weight:
    183.2
    Specification Sheet SDS

  • Boc-L-glutamic acid α-methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Glu-OMe
    Catalog Number:
    02850
    CAS Number:
    72086-72-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076931
    Molecular Formula:
    C11H19NO6
    Molecular Weight:
    261.4
    Specification Sheet SDS

  • 3-(3'-Pyridyl)-L-alanine dihydrochloride

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    L-Ala(3'-pyridyl)-OH·2HCl
    Catalog Number:
    02853
    CAS Number:
    64090-98-8
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00191178
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
    Specification Sheet SDS

  • 3-(2-Naphthyl)-L-alanine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Ala(2-naphthyl)-OH
    Catalog Number:
    02852
    CAS Number:
    58438-03-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00066087
    Molecular Formula:
    C13H13NO2
    Molecular Weight:
    215.3
    Specification Sheet SDS

  • Nα-Fmoc-Nδ-trityl-L-glutamine 4-alkoxybenzyl alcohol resin(0.3-0.8 meq/g, 100-200 mesh)

    Synonym:
    Fmoc-L-Gln(Trt)-Wang resin
    Catalog Number:
    02849
    MDL NO:
    MFCD00801378
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • L-3,5-Dibromotyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,5-Dibromo-L-Tyr-OH
    Catalog Number:
    02856
    CAS Number:
    300-38-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037204
    Molecular Formula:
    C9H9Br2NO3
    Molecular Weight:
    339.0
    Specification Sheet SDS

  • β-Cyclohexyl-D-alanine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    D-Cha-OH
    Catalog Number:
    02844
    CAS Number:
    58717-02-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00153485
    Molecular Formula:
    C9H17NO2
    Molecular Weight:
    171.2
    Specification Sheet SDS

  • Boc-D-valine Merrifield resin (0.3 - 1.2 meq/g, 100 - 200 mesh)

    Synonym:
    Boc-D-Val-Merrifield resin
    Catalog Number:
    02788
    MDL NO:
    MFCD00801191
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • D-3,4-Dichlorophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(3,4-DiCl)-OH
    Catalog Number:
    02855
    CAS Number:
    52794-98-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00671682
    Molecular Formula:
    C9H9NO2Cl2
    Molecular Weight:
    234.2
    Specification Sheet SDS

  • Fmoc-L-proline 4-alkoxybenzyl alcohol resin (0.3-0.8 meq/g, 200-400 mesh)

    Synonym:
    Fmoc-L-Pro-Wang resin
    Catalog Number:
    02829
    MDL NO:
    MFCD00801266
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Nα-Boc-D-tryptophan Merrifield resin (0.25 - 1.0 meq/g, 100 - 200 mesh)

    Synonym:
    Boc-D-Trp-Merrifield resin
    Catalog Number:
    02783
    MDL NO:
    MFCD00801289
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-L-isoleucine 4-alkoxybenzyl alcohol resin

    Synonym:
    Fmoc-L-Ile-Wang resin
    Catalog Number:
    02824
    MDL NO:
    MFCD00801256
    Molecular Weight:
    0.0
    Specification Sheet SDS
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