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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.
Sub Categories
Amino Acid Alcohols 238
Amino Acids & Derivatives 1931
Azido Amino Acids 114
Inhibitors 453
Isoacyl Dipeptides 9
Linkers 11
N-Methyl Amino Acids 140
Peptide Synthesis Reagents 158
Pre-Loaded Resins For Solid Phase Peptide & Organic Synthesis 286
Pseudoproline Dipeptides 45
Resins For Peptide Synthesis 235
Resins For Solid Phase Synthesis 256
Small Peptides 76
Substrates 571
Unusual Amino Acids 2217

  • 5-Methoxy-DL-tryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-3-(5-methoxy-1H-indol-3-yl)propanoic acid
    Catalog Number:
    21206
    CAS Number:
    28052-84-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005650
    Molecular Formula:
    C12H14N2O3
    Molecular Weight:
    234.25
    Specification Sheet SDS

  • 4-Methylhippuric acid

    Synonym:
    [(4-Methylbenzoyl)amino]acetic acid
    Catalog Number:
    21219
    CAS Number:
    27115-50-0
    MDL NO:
    MFCD00020449
    Molecular Formula:
    C10H11NO3
    Molecular Weight:
    193.2
    SDS

  • 2-Methylhippuric acid

    Synonym:
    [(2-Methylbenzoyl)amino]acetic acid
    Catalog Number:
    21218
    CAS Number:
    42013-20-7
    MDL NO:
    MFCD00050991
    Molecular Formula:
    C10H11NO3
    Molecular Weight:
    193.2
    SDS

  • 3-Methylhippuric acid

    Synonym:
    [(3-Methylbenzoyl)amino]acetic acid
    Catalog Number:
    21228
    CAS Number:
    27115-49-7
    MDL NO:
    MFCD00044399
    Molecular Formula:
    C10H11NO3
    Molecular Weight:
    193.2
    SDS

  • 3-Fluoro-DL-tyrosine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    DL-m-Fluorotyrosine
    Catalog Number:
    21178
    CAS Number:
    403-90-7, 139-26-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00063075
    Molecular Formula:
    C9H10FNO3
    Molecular Weight:
    199.18
    Specification Sheet SDS

  • Nα-Acetyl-L-lysine 7-amido-4-methylcoumarin acetate salt hemihydrate

    Synonym:
    Ac-L-Lys-AMC·AcOH·1/2 H2O
    Catalog Number:
    21119
    MDL NO:
    MFCD00798383
    Molecular Formula:
    C17H21N3O4·C2H4O2·H2O
    Molecular Weight:
    409.44
    SDS

  • 5-Methoxy-L-tryptophan

    Purity:
    ≥ 98% (HPLC, Chiral purity)
    Synonym:
    H-L-Trp(5-OMe)-OH
    Catalog Number:
    20925
    CAS Number:
    25197-96-0
    Purity Limit:
    ≥ 98% (HPLC, Chiral purity)
    MDL NO:
    MFCD01074513
    Molecular Formula:
    C12H14N2O3
    Molecular Weight:
    234.25
    Specification Sheet SDS

  • 3-Nitro-L-tyrosine ethyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    H-3-Nitro-Tyr-OEt·HCl
    Catalog Number:
    20971
    CAS Number:
    66737-54-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06804676
    Molecular Formula:
    C11H14N2O5·HCl
    Molecular Weight:
    290.7
    Specification Sheet SDS

  • 2-Methyl-DL-tryptophan

    Purity:
    ≥ 97% (Assay)
    Synonym:
    DL-2-Amino-3-(2-methylindolyl)propionic acid
    Catalog Number:
    20957
    CAS Number:
    21495-41-0
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD03005300
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.26
    Specification Sheet SDS

  • 5-Amino-DL-tryptophan

    Purity:
    98 - 102% (Assay by titration)
    Synonym:
    DL-2-Amino-3-(5-aminoindolyl)propionic acid
    Catalog Number:
    20988
    CAS Number:
    6383-69-3
    Purity Limit:
    98 - 102% (Assay by titration)
    MDL NO:
    MFCD02683918
    Molecular Formula:
    C11H13N3O2
    Molecular Weight:
    219.24
    Specification Sheet SDS

  • Nonanoic acid 4-methylumbelliferyl ester

    Synonym:
    4-Mu-Nonanoate
    Catalog Number:
    20977
    CAS Number:
    18319-93-2
    MDL NO:
    MFCD00051220
    Molecular Formula:
    C19H24O4
    Molecular Weight:
    316.4
    SDS

  • 3-Nitro-D-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R-2-Amino-3-(4-hydroxy-3-nitrophenyl)propionic acid
    Catalog Number:
    20970
    CAS Number:
    32988-39-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02684446
    Molecular Formula:
    C9H10N2O5
    Molecular Weight:
    226.19
    Specification Sheet SDS

  • 3,5-Dinitro-L-tyrosine monohydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,5-Dinitro-L-Tyr-OH·H2O
    Catalog Number:
    20903
    CAS Number:
    17360-11-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00150534
    Molecular Formula:
    C9H9N3O7·H2O
    Molecular Weight:
    289.2
    Specification Sheet SDS

  • N-(2-Aminoethyl)phthalimide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(2-Aminoethyl)-1H-isoindole-1,3(2H-dione hydrochloride
    Catalog Number:
    20801
    CAS Number:
    30250-67-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08272836
    Molecular Formula:
    C10H10N2O2·HCl
    Molecular Weight:
    226.7
    Specification Sheet SDS

  • N-(3-Aminopropyl)phthalimide hydrochloride

    Purity:
    ≥ 99% (NMR)
    Synonym:
    2-(3-Aminopropyl)-2,3-dihydro-1H-isoindole-1,3-dione hydrochloride
    Catalog Number:
    20811
    CAS Number:
    121821-01-0
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD00035196
    Molecular Formula:
    C11H12N2O2·HCl
    Molecular Weight:
    240.69
    Specification Sheet SDS

  • 6-Bromo-2-(2,4-dichlorophenyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Catalog Number:
    20487
    CAS Number:
    1260640-29-6
    MDL NO:
    MFCD04114814
    Molecular Formula:
    C16H12BrCl2NO2
    Molecular Weight:
    401.09
    SDS

  • 6-Fluoro-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid hydrochloride

    Catalog Number:
    20523
    CAS Number:
    1260637-74-8
    MDL NO:
    MFCD07371492
    Molecular Formula:
    C10H10FNO2·HCl
    Molecular Weight:
    231.65
    SDS

  • 6-Chloro-2-(2,4-dichlorophenyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Catalog Number:
    20512
    CAS Number:
    1260637-75-9
    MDL NO:
    MFCD04114823
    Molecular Formula:
    C16H12Cl3NO2
    Molecular Weight:
    356.64
    SDS

  • 5-Methoxy-2,3-dihydro-1H-isoindole hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    5-Methoxyisoindoline hydrochloride
    Catalog Number:
    20412
    CAS Number:
    1159822-61-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD09997806
    Molecular Formula:
    C9H11NO·HCl
    Molecular Weight:
    185.69
    Specification Sheet SDS

  • 3-Boc-amino-2-methyl-propylamine

    Purity:
    ≥ 96% (GC)
    Synonym:
    N-(tert-Butoxycarbonyl)-2-methyl-1,3-diaminopropane
    Catalog Number:
    20104
    CAS Number:
    480452-05-9
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD06804536
    Molecular Formula:
    C9H20N2O2
    Molecular Weight:
    188.27
    Specification Sheet SDS

  • 4-(1-Boc-piperazin-4-yl-methyl)aniline

    Purity:
    ≥ 95% (NMR)
    Synonym:
    4-(4-Aminobenzyl)piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    20156
    CAS Number:
    304897-49-2
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD06797795
    Molecular Formula:
    C16H25N3O2
    Molecular Weight:
    291.39
    Specification Sheet SDS

  • L-Tyrosine hydrazide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Tyr-NHNH2
    Catalog Number:
    12123
    CAS Number:
    7662-51-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00007609
    Molecular Formula:
    C9H13N3O2
    Molecular Weight:
    195.22
    Specification Sheet SDS

  • 6-Hydroxy-2-(4-chlorophenyl)-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Catalog Number:
    19899
    CAS Number:
    1260637-90-8
    MDL NO:
    MFCD04114831
    Molecular Formula:
    C16H14ClNO3
    Molecular Weight:
    303.74
    SDS

  • Z-2,6-dimethyl-piperazine hydrochloride

    Catalog Number:
    19808
    CAS Number:
    1187931-10-7
    MDL NO:
    MFCD08437658
    Molecular Formula:
    C14H20N2O2·HCl
    Molecular Weight:
    284.79
    SDS

  • Z-2,6-dimethyl-piperazine hydrochloride

    Purity:
    ≥ 95% (NMR)
    Synonym:
    Benzyl 2,6-dimethylpiperazine-1-carboxylate hydrochloride
    Catalog Number:
    19807
    CAS Number:
    885278-89-7
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD08437658
    Molecular Formula:
    C14H20N2O2·HCl
    Molecular Weight:
    284.78
    Specification Sheet SDS

  • 1-Boc-4-(4-aminophenyl)piperazine dihydrochloride

    Purity:
    ≥ 95% (Assay)
    Catalog Number:
    19779
    CAS Number:
    193902-64-6
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD06804521
    Molecular Formula:
    C15H23N3O2·2HCl
    Molecular Weight:
    350.29
    Specification Sheet SDS

  • 1-Boc-2,6-dimethyl-piperazine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    tert-Butyl 2,6-dimethylpiperzine-1-carboxylate
    Catalog Number:
    19763
    CAS Number:
    688363-66-8
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD07371653
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.31
    Specification Sheet SDS

  • 1-Boc-3,5-dimethyl-piperazine

    Purity:
    ≥ 95%
    Catalog Number:
    19768
    CAS Number:
    639068-43-2
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD07371499
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.31
    Specification Sheet SDS

  • 7-Fluoro-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Purity:
    ≥ 99% (Assay)
    Catalog Number:
    19255
    CAS Number:
    1260641-74-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD06739172
    Molecular Formula:
    C10H10FNO2
    Molecular Weight:
    195.19
    Specification Sheet SDS

  • 1-Boc-4-cyanomethyl piperazine

    Synonym:
    4-Cyanomethyl-piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    18992
    CAS Number:
    77290-31-4
    MDL NO:
    MFCD06795916
    Molecular Formula:
    C11H19N3O2
    Molecular Weight:
    225.29
    SDS

  • 4-(2'-N-Boc-hydrazino)benzoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-4-hydrazinobenzoic acid
    Catalog Number:
    18963
    CAS Number:
    96736-00-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06656437
    Molecular Formula:
    C12H16N2O4
    Molecular Weight:
    252.27
    Specification Sheet SDS

  • 3-Bromo-4-oxo-piperidine-1-carboxylic acid ethyl ester

    Purity:
    ≥ 95% (NMR)
    Synonym:
    1-Carbethoxy-3-bromo-4-piperidone
    Catalog Number:
    18877
    CAS Number:
    95629-02-0
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD06796218
    Molecular Formula:
    C8H12BrNO3
    Molecular Weight:
    250.09
    Specification Sheet SDS

  • 3-(2'-N-Boc-hydrazino)benzoic acid

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    3-(N-tert-Butoxycarbonyl-hydrazino)-benzoic acid
    Catalog Number:
    18843
    CAS Number:
    156899-02-4
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD06658360
    Molecular Formula:
    C12H16N2O4
    Molecular Weight:
    252.27
    Specification Sheet SDS

  • 2-(2'-N-Boc-hydrazino)benzoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    2-(N-tert-Butoxycarbonylhydrazino)-benzoic acid
    Catalog Number:
    18653
    CAS Number:
    155290-47-4
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06658359
    Molecular Formula:
    C12H16N2O4
    Molecular Weight:
    252.27
    Specification Sheet SDS

  • 1-Methyl-nipecotic acid methyl ester

    Purity:
    ≥ 98% (GC)
    Synonym:
    1-Methyl-piperidine-3-carboxylic acid methyl ester
    Catalog Number:
    18525
    CAS Number:
    1690-72-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00128793
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.21
    Specification Sheet SDS

  • Fmoc-DL-homoproline

    Synonym:
    Fmoc-DL-HomoPro-OH
    Catalog Number:
    18498
    CAS Number:
    105751-19-7
    MDL NO:
    MFCD01823265
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
    SDS

  • 1-Boc-3,3-dimethylpiperazine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3,3-Dimethylpiperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    18461
    CAS Number:
    259808-67-8
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD07371651
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.31
    Specification Sheet SDS

  • 1-Benzylazetidine-2-carboxylic acid amide

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    1-Benzylazetidine-2-carboxamide
    Catalog Number:
    18459
    CAS Number:
    40432-40-4
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06658337
    Molecular Formula:
    C11H14N2O
    Molecular Weight:
    190.25
    Specification Sheet SDS

  • Z-piperazine-2-carboxylic acid

    Purity:
    ≥ 97% (NMR)
    Synonym:
    Piperazine-1,2-dicarboxylic acid 1-benzyl ester
    Catalog Number:
    18216
    CAS Number:
    129365-24-8
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD04972466
    Molecular Formula:
    C13H16N2O4
    Molecular Weight:
    264.28
    Specification Sheet SDS

  • Azetidine-2-carboxylic acid methyl ester hydrochloride

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Methyl 2-azetidinecarboxylate hydrochloride
    Catalog Number:
    18169
    CAS Number:
    162698-26-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01861757
    Molecular Formula:
    C5H9NO2·HCl
    Molecular Weight:
    151.59
    Specification Sheet SDS

  • 6-Methoxy-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Catalog Number:
    18138
    CAS Number:
    1161833-78-8
    MDL NO:
    MFCD04114843
    Molecular Formula:
    C11H13NO3
    Molecular Weight:
    207.23
    SDS

  • Boc-DL-4-phenyl homoproline

    Purity:
    ≥ 96% (Assay)
    Synonym:
    Boc-DL-HomoPro(4-Ph)-OH
    Catalog Number:
    18078
    CAS Number:
    261777-31-5
    Purity Limit:
    ≥ 96% (Assay)
    MDL NO:
    MFCD06738941
    Molecular Formula:
    C17H23NO4
    Molecular Weight:
    305.37
    Specification Sheet SDS

  • 4-Aminomethylphenylacetic acid hydrochloride

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    2-(4-(Aminomethyl)phenyl)acetic acid hydrochloride
    Catalog Number:
    18055
    CAS Number:
    42383-05-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD11858318
    Molecular Formula:
    C9H11NO2·HCl
    Molecular Weight:
    201.69
    Specification Sheet SDS

  • 1-Boc-4-(4-bromophenyl)piperazine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    4-(4-Bromophenyl)piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    18045
    CAS Number:
    352437-09-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD07371649
    Molecular Formula:
    C15H21BrN2O2
    Molecular Weight:
    341.25
    Specification Sheet SDS

  • Boc-DL-3-phenyl homoproline

    Purity:
    ≥ 96%
    Synonym:
    Boc-DL-HomoPro(3-Ph)-OH
    Catalog Number:
    18040
    CAS Number:
    321983-19-1
    Purity Limit:
    ≥ 96%
    MDL NO:
    MFCD02179134
    Molecular Formula:
    C17H23NO4
    Molecular Weight:
    305.37
    Specification Sheet SDS

  • 1-Boc-4-(4-hydroxyphenyl)piperazine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(4-Hydroxyphenyl)piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    17899
    CAS Number:
    158985-25-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04115060
    Molecular Formula:
    C15H22N2O3
    Molecular Weight:
    278.35
    Specification Sheet SDS

  • 1-Boc-2,2-dimethyl-piperazine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    2,2-Dimethyl-piperazine-1-carboxylic acid tert butyl-ester
    Catalog Number:
    17891
    CAS Number:
    674792-07-5
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD07371652
    Molecular Formula:
    C11H22N2O2
    Molecular Weight:
    214.31
    Specification Sheet SDS

  • 1-Boc-4-(3-hydroxyphenyl)piperazine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-(3-Hydroxyphenyl)piperazine-4-carboxylic acid tert-butyl ester
    Catalog Number:
    17897
    CAS Number:
    198627-86-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04115061
    Molecular Formula:
    C15H22N2O3
    Molecular Weight:
    278.35
    Specification Sheet SDS

  • (S)-1,2,3,4-Tetrahydroisoquinoline-1-carboxylic acid

    Purity:
    ≥ 98%
    Synonym:
    L-Tiq-OH
    Catalog Number:
    17853
    CAS Number:
    151004-92-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD03426333
    Molecular Formula:
    C10H11NO2
    Molecular Weight:
    177.2
    Specification Sheet SDS

  • N-Methyl ethyl isonipecotate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Ethyl 1-methylpiperidine-4-carboxylate
    Catalog Number:
    17787
    CAS Number:
    24252-37-7
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00130015
    Molecular Formula:
    C9H17NO2
    Molecular Weight:
    171.24
    Specification Sheet SDS
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