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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.

  • β-tert-Butyl-D-alanine

    Purity:
    ≥ 99%
    Synonym:
    β-tBu-D-Ala-OH
    Catalog Number:
    06235
    CAS Number:
    88319-43-1
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00038404
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
  • β-Chloro-DL-alanine hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    DL-β-Chloro-Ala-OH·HCl
    Catalog Number:
    06231
    CAS Number:
    35401-46-8
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00066125
    Molecular Formula:
    C3H6NO2Cl·HCl
    Molecular Weight:
    160.2
  • β-Chloro-L-alanine hydroxylamine

    Synonym:
    β-Chloro-L-Ala-NHOH
    Catalog Number:
    06225
    CAS Number:
    163682-35-7
    MDL NO:
    MFCD00672381
    Molecular Formula:
    C3H7N2O2Cl
    Molecular Weight:
    138.55
  • β-Chloro-L-alanine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    β-Chloro-L-Ala-OH
    Catalog Number:
    06226
    CAS Number:
    2731-73-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00046536
    Molecular Formula:
    C3H6NO2Cl
    Molecular Weight:
    123.54
  • b-Chloro-L-alanine hydrochloride

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    b-Chloro-L-Ala-OH·HCl
    Catalog Number:
    06227
    CAS Number:
    51887-89-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00070398
    Molecular Formula:
    C3H6NO2Cl·HCl
    Molecular Weight:
    160.2
  • L-Phenylglycine tert-butyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phg-OtBu
    Catalog Number:
    06191
    CAS Number:
    53934-78-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00238136
    Molecular Formula:
    C12H17NO2
    Molecular Weight:
    207.27
  • 3-(2'-Pyridyl)-D-alanine dihydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Ala(2'-pyridyl)-OH·2HCl
    Catalog Number:
    06212
    CAS Number:
    37535-52-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237245
    Molecular Formula:
    C8H10N2O2·2HCl
    Molecular Weight:
    239.2
  • O-tert-Butyl-L-serine t-butyl ester

    Purity:
    ≥ 97%
    Synonym:
    L-Ser(tBu)-OtBu
    Catalog Number:
    06206
    CAS Number:
    48067-24-9
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00080900
    Molecular Formula:
    C11H23NO3
    Molecular Weight:
    217.31
  • 3-(3'-Pyridyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Ala(3'-pyridyl)-OH
    Catalog Number:
    06217
    CAS Number:
    70702-47-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079673
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • 3-(2'-Pyridyl)-DL-alanine

    Purity:
    ≥ 99% (anhydrous assay)
    Synonym:
    DL-Ala(2'-pyridyl)-OH
    Catalog Number:
    06213
    CAS Number:
    17407-44-2
    Purity Limit:
    ≥ 99% (anhydrous assay)
    MDL NO:
    MFCD00237828
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • DL-β-(2-Thienyl)-serine

    Purity:
    ≥ 98%
    Synonym:
    DL-Ser(2-Thi)-OH
    Catalog Number:
    06215
    CAS Number:
    32595-59-8
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00067304
    Molecular Formula:
    C7H9NO3S
    Molecular Weight:
    187.2
  • 3-(2'-Pyridyl)-L-alanine

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    L-Ala(2'-pyridyl)-OH
    Catalog Number:
    06211
    CAS Number:
    37535-51-6
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00237827
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • L-Proline 4-nitroanilide hydrobromide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Pro-pNA·HBr
    Catalog Number:
    06204
    CAS Number:
    7369-91-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00672477
    Molecular Formula:
    C11H13N3O3·HBr
    Molecular Weight:
    316.17
  • L-Serine β-naphthylamide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Ser-βNA
    Catalog Number:
    06210
    CAS Number:
    888-74-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00080939
    Molecular Formula:
    C13H14N2O2
    Molecular Weight:
    230.27
  • L-Proline dimethylamide

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    L-Pro-NMe2
    Catalog Number:
    06200
    CAS Number:
    29802-22-0
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00083684
    Molecular Formula:
    C7H14N2O
    Molecular Weight:
    142.2
  • L-Proline ethylamide hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Pro-NHEt·HCl
    Catalog Number:
    06199
    CAS Number:
    58107-62-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00238159
    Molecular Formula:
    C7H14N2O·HCl
    Molecular Weight:
    178.71
  • Phe-Tyr-OH

    Purity:
    ≥ 95% (Assay)
    Synonym:
    L-Phenylalanyl-L-tyrosine
    Catalog Number:
    06189
    CAS Number:
    17355-18-9
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD00037184
    Molecular Formula:
    C18H20N2O4
    Molecular Weight:
    328.37
  • L-Phenylalanine amide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phe-NH2
    Catalog Number:
    06180
    CAS Number:
    5241-58-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038146
    Molecular Formula:
    C9H12N2O
    Molecular Weight:
    164.21
  • H-Phe-Ser-OH

    Purity:
    ≥ 95.5% (HPLC)
    Catalog Number:
    06185
    CAS Number:
    16053-39-7
    Purity Limit:
    ≥ 95.5% (HPLC)
    MDL NO:
    MFCD00083787
    Molecular Formula:
    C12H16N2O4
    Molecular Weight:
    252.27
  • L-Phenylalanine β-naphthylamide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Phe-βNA
    Catalog Number:
    06187
    CAS Number:
    740-57-8
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00046457
    Molecular Formula:
    C19H18N2O
    Molecular Weight:
    290.32
  • Catalog Number:
    06188
    CAS Number:
    24587-41-5
    MDL NO:
    MFCD00083788
    Molecular Formula:
    C20H21N3O3
    Molecular Weight:
    351.41
  • L-Phenylalanine pyrrolidide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Phe-pyrrolidide
    Catalog Number:
    06183
    CAS Number:
    56414-89-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00672358
    Molecular Formula:
    C13H18N2O
    Molecular Weight:
    218.3
  • L-Phenylalanine cyclohexylamide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Phe-Cyclohexylamide
    Catalog Number:
    06178
    CAS Number:
    17186-53-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00672357
    Molecular Formula:
    C15H22N2O
    Molecular Weight:
    246.36
  • L-Phenylalanine chloromethylketone hydrochloride

    Purity:
    ≥ 99% (NMR)
    Synonym:
    L-Phenylalanine chloromethylketone hydrochloride
    Catalog Number:
    06177
    CAS Number:
    52735-71-4
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD00133443
    Molecular Formula:
    C10H12NOCl·HCl
    Molecular Weight:
    234.19
  • Nδ-Z-L-ornithine benzyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Orn(Z)-OBzl·HCl
    Catalog Number:
    06148
    CAS Number:
    63594-37-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237210
    Molecular Formula:
    C20H24N2O4·HCl
    Molecular Weight:
    392.88
  • L-Ornithine methyl ester dihydrochloride

    Purity:
    ≥ 99% (Assay by titration, Chiral HPLC)
    Synonym:
    L-Orn-OMe·2HCl
    Catalog Number:
    06154
    CAS Number:
    40216-82-8
    Purity Limit:
    ≥ 99% (Assay by titration, Chiral HPLC)
    MDL NO:
    MFCD00190977
    Molecular Formula:
    C6H14N2O2·2HCl
    Molecular Weight:
    219.12
  • Nδ-Pyrazinylcarbonyl-L-ornithine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Orn(pyrazinylcarbonyl)-OH
    Catalog Number:
    06147
    CAS Number:
    201047-84-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672359
    Molecular Formula:
    C10H14N4O3
    Molecular Weight:
    238.25
  • Nδ-Z-L-ornithine tert-butyl ester hydrochloride

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    L-Orn(Z)-OtBu·HCl
    Catalog Number:
    06150
    CAS Number:
    161234-80-6
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00237209
    Molecular Formula:
    C17H26N2O4·HCl
    Molecular Weight:
    358.87
  • L-Norvaline amide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Nva-NH2·HCl
    Catalog Number:
    06143
    CAS Number:
    101925-47-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237404
    Molecular Formula:
    C5H12N2O·HCl
    Molecular Weight:
    152.62
  • 4-Amino-D-phenylalanine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Phe(4-NH2)-OH·HCl
    Catalog Number:
    06160
    CAS Number:
    126257-07-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00236783
    Molecular Formula:
    C9H12N2O2·HCl
    Molecular Weight:
    216.67
  • Nδ-Boc-L-ornithine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Orn(Boc)-OMe·HCl
    Catalog Number:
    06145
    CAS Number:
    2480-96-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237207
    Molecular Formula:
    C11H22N2O4·HCl
    Molecular Weight:
    282.77
  • Nδ-Fmoc-L-ornithine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Orn(Fmoc)-OH
    Catalog Number:
    06146
    CAS Number:
    147071-84-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237208
    Molecular Formula:
    C20H22N2O4
    Molecular Weight:
    354.41
  • Nδ-Z-L-ornithine methyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Orn(Z)-OMe·HCl
    Catalog Number:
    06149
    CAS Number:
    5874-75-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077027
    Molecular Formula:
    C14H20N2O4·HCl
    Molecular Weight:
    316.79
  • Nε-4-Nitro-Z-L-lysine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Lys(4-NO2-Z)-OH
    Catalog Number:
    06134
    CAS Number:
    3557-90-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00237145
    Molecular Formula:
    C14H19N3O6
    Molecular Weight:
    325.32
  • Nε-Boc-L-lysine 4-nitroanilide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Lys(Boc)-pNA
    Catalog Number:
    06131
    CAS Number:
    172422-76-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237144
    Molecular Formula:
    C17H26N4O5
    Molecular Weight:
    366.38
  • Nε-2-Chloro-Z-L-lysine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Lys(2-Cl-Z)-OH
    Catalog Number:
    06127
    CAS Number:
    42390-97-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00190849
    Molecular Formula:
    C14H19N2O4Cl
    Molecular Weight:
    314.6
  • Nε-Allyloxycarbonyl-L-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Lys(Aloc)-OH
    Catalog Number:
    06129
    CAS Number:
    6298-03-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237142
    Molecular Formula:
    C10H18N2O4
    Molecular Weight:
    230.26
  • L-Leucine α-naphthylamide

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Leu-αNA
    Catalog Number:
    06119
    CAS Number:
    203793-55-9
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00083643
    Molecular Formula:
    C16H20N2O
    Molecular Weight:
    256.35
  • L-Isoleucine β-naphthylamide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Ile-βNA
    Catalog Number:
    06116
    CAS Number:
    732-84-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00055912
    Molecular Formula:
    C16H20N2O
    Molecular Weight:
    256.19
  • Catalog Number:
    06117
    CAS Number:
    13589-06-5
    MDL NO:
    MFCD00190934
    Molecular Formula:
    C17H23N3O3
    Molecular Weight:
    317.39
  • L-Leucine 7-amido-4-methylcoumarin

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    L-Leu-AMC
    Catalog Number:
    06122
    CAS Number:
    66447-31-2
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00056095
    Molecular Formula:
    C16H20N2O3
    Molecular Weight:
    288.37
  • L-Isoleucine 4-nitroanilide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Ile-pNA
    Catalog Number:
    06113
    CAS Number:
    70324-66-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00238006
    Molecular Formula:
    C12H17N3O3
    Molecular Weight:
    251.29
  • L-Isoleucine amide hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Ile-NH2·HCl
    Catalog Number:
    06110
    CAS Number:
    10466-56-5
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00058476
    Molecular Formula:
    C6H14N2O·HCl
    Molecular Weight:
    166.65
  • Catalog Number:
    06100
    CAS Number:
    191723-53-2
    MDL NO:
    MFCD00152116
    Molecular Formula:
    C16H20N2O3·C2HO2F3
    Molecular Weight:
    402.37
  • L-Isoleucine 7-amido-4-methylcoumarin

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Ile-AMC
    Catalog Number:
    06099
    CAS Number:
    98516-74-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00152115
    Molecular Formula:
    C16H20N2O3
    Molecular Weight:
    288.36
  • L-Histidine β-naphthylamide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-His-βNA
    Catalog Number:
    06088
    CAS Number:
    7424-15-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00051166
    Molecular Formula:
    C16H16N4O
    Molecular Weight:
    280.01
  • trans-L-4-Hydroxyproline β-naphthylamide

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    L-Hyp-βNA
    Catalog Number:
    06096
    CAS Number:
    3326-64-5
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    MDL NO:
    MFCD00083632
    Molecular Formula:
    C15H16N2O2
    Molecular Weight:
    256.08
  • trans-L-4-Hydroxyproline β-naphthylamide hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Hyp-βNA·HCl
    Catalog Number:
    06097
    CAS Number:
    201994-57-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00237996
    Molecular Formula:
    C15H16N2O2·HCl
    Molecular Weight:
    292.58
  • trans-L-4-Hydroxyproline benzyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Hyp-OBzl·HCl
    Catalog Number:
    06095
    CAS Number:
    62147-27-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237998
    Molecular Formula:
    C12H15NO3·HCl
    Molecular Weight:
    257.73
  • L-Homoproline methyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-HomoPro-OMe·HCl
    Catalog Number:
    06092
    CAS Number:
    18650-39-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672366
    Molecular Formula:
    C7H13NO2·HCl
    Molecular Weight:
    179.62