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Peptide Chemistry

Peptide Chemistry

6248
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 232
Resins For Solid Phase Synthesis 253
Small Peptides 76
Substrates 571
Unusual Amino Acids 2214

  • Boc-Asp-OMe

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-aspartic acid α-methyl ester
    Catalog Number:
    24636
    CAS Number:
    98045-03-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03094777
    Molecular Formula:
    C10H17NO6
    Molecular Weight:
    247.2
    Specification Sheet SDS

  • Diethyl dicarbonate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Diethyl pyrocarbonate
    Hazmat
    Catalog Number:
    24544
    CAS Number:
    1609-47-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00009106
    Molecular Formula:
    C6H10O5
    Molecular Weight:
    162.14
    Specification Sheet SDS

  • 4-Hydroxypiperidine

    Purity:
    ≥ 99% (GC)
    Synonym:
    4-Piperidinol
    Catalog Number:
    24505
    CAS Number:
    5382-16-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00005999
    Molecular Formula:
    C5H11NO
    Molecular Weight:
    101.15
    Specification Sheet SDS

  • Phenyl isothiocyanate

    Hazmat
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    24479
    CAS Number:
    103-72-0
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00004798
    Molecular Formula:
    C7H5NS
    Molecular Weight:
    135.19
    Specification Sheet SDS

  • O-(6-Chlorobenzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-[Bis(dimethylamino)methylen]-5-chlorobenzotriazolium 3-oxide tetrafluoroborate
    Catalog Number:
    23208
    CAS Number:
    330641-16-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08461912
    Molecular Formula:
    C11H15BClF4N5O
    Molecular Weight:
    355.53
    Specification Sheet SDS

  • L-Glutamic acid diallyl ester tosylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Glu(OAll)-OAll·TosOH
    Catalog Number:
    23209
    CAS Number:
    20845-16-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043307
    Molecular Formula:
    C11H17NO4·C7H8O3S
    Molecular Weight:
    399.46
    Specification Sheet SDS

  • Nα-Boc-Nα,δ,δ-tris(3-Boc-aminopropyl)-L-ornithine

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    22652
    CAS Number:
    464926-00-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD06656443
    Molecular Formula:
    C34H65N5O10
    Molecular Weight:
    703.92
    Specification Sheet SDS

  • D-Cysteine

    Purity:
    98 - 101% (Titration)
    Synonym:
    (S-2-Amino-3-mercaptopropionic acid
    Catalog Number:
    21754
    CAS Number:
    921-01-7
    Purity Limit:
    98 - 101% (Titration)
    MDL NO:
    MFCD00066461
    Molecular Formula:
    C3H7NO2S
    Molecular Weight:
    121.16
    Specification Sheet SDS

  • L-Cysteic acid monohydrate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    (R)-2-Amino-3-sulfopropionic acid
    Catalog Number:
    21698
    CAS Number:
    23537-25-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00149544
    Molecular Formula:
    C3H7NO5S·H2O
    Molecular Weight:
    187.17
    Specification Sheet SDS

  • 1-Methyl-L-tryptophan

    Purity:
    ≥ 98% (Chiral HPLC)
    Synonym:
    L-Abrine
    Catalog Number:
    21552
    CAS Number:
    21339-55-9
    Purity Limit:
    ≥ 98% (Chiral HPLC)
    MDL NO:
    MFCD00467133
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.26
    Specification Sheet SDS

  • L-Homocysteine

    Purity:
    ≥ 95% (Assay)
    Synonym:
    (S)-2-Amino-4-mercaptobutanoic acid
    Catalog Number:
    21338
    CAS Number:
    6027-13-0
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD00151320
    Molecular Formula:
    C4H9NO2S
    Molecular Weight:
    135.19
    Specification Sheet SDS

  • S-2-Nitrophenyl-L-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    H-Cys(Sonp)-OH
    Catalog Number:
    21460
    CAS Number:
    60115-45-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04972096
    Molecular Formula:
    C9H10N2O4S
    Molecular Weight:
    242.25
    Specification Sheet 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

  • 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

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

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    19242
    CAS Number:
    1260640-00-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06739171
    Molecular Formula:
    C10H10BrNO2
    Molecular Weight:
    256.1
    Specification Sheet SDS

  • Nα-Fmoc-Nδ-(N-biotinyl-3-(2-(2-(3-aminopropyloxy)-ethoxy)-ethoxypropyl)-L-glutamine

    Purity:
    ≥ 97% (TLC)
    Synonym:
    Fmoc-L-Gln(biotinyl-PEG)-OH
    Catalog Number:
    16937
    CAS Number:
    817169-73-6
    Purity Limit:
    ≥ 97% (TLC)
    MDL NO:
    MFCD18782826
    Molecular Formula:
    C40H55N5O10S
    Molecular Weight:
    798.0
    Specification Sheet SDS

  • Fmoc-3,4-dihydroxy-L-phenylalanine, acetonide protected

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-DOPA-OH, acetonide protected
    Catalog Number:
    16933
    CAS Number:
    852288-18-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08064332
    Molecular Formula:
    C27H25NO6
    Molecular Weight:
    459.5
    Specification Sheet SDS

  • L-3-Aminomethylphenylalanine

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    L-Phe(3-CH2NH2)-OH
    Catalog Number:
    16856
    CAS Number:
    57213-47-5
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD06213215
    Molecular Formula:
    C10H14N2O2
    Molecular Weight:
    194.23
    Specification Sheet SDS

  • Fmoc-D-β-homoproline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-HomoPro-OH
    Catalog Number:
    16866
    CAS Number:
    193693-61-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06202403
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
    Specification Sheet SDS

  • Boc-L-2,4-dinitrophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(2,4-DiNO2)-OH
    Catalog Number:
    16813
    CAS Number:
    1176509-56-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08061620
    Molecular Formula:
    C14H17N3O8
    Molecular Weight:
    355.3
    Specification Sheet SDS

  • Fmoc-L-2,4-dimethylphenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(2,4-DiCH3)-OH
    Catalog Number:
    16809
    CAS Number:
    1217728-65-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659141
    Molecular Formula:
    C26H25NO4
    Molecular Weight:
    415.48
    Specification Sheet SDS

  • Boc-α-methyl-D-4-Fluorophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-α-Me-D-Phe(4-F)-OH
    Catalog Number:
    16736
    CAS Number:
    889113-64-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08458687
    Molecular Formula:
    C15H20FNO4
    Molecular Weight:
    297.32
    Specification Sheet SDS

  • Z-O-tert-butyl-D-allo-threonine cyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-allo-Thr(tBu)-OH·DCHA
    Catalog Number:
    16466
    CAS Number:
    100157-55-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08458676
    Molecular Formula:
    C16H23NO5·C12H23N
    Molecular Weight:
    490.68
    Specification Sheet SDS

  • Nα-Fmoc-Nε-biotinyl-D-lysine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Lys(biotinyl)-OH
    Catalog Number:
    16192
    CAS Number:
    110990-09-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00270742
    Molecular Formula:
    C31H38N4O6S
    Molecular Weight:
    594.7
    Specification Sheet SDS

  • Nα-Fmoc-6-hydroxynorleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Nle(6-OH)-OH
    Catalog Number:
    16199
    CAS Number:
    374899-60-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04973185
    Molecular Formula:
    C21H23NO5
    Molecular Weight:
    369.4
    Specification Sheet SDS

  • Nα-Fmoc-Nβ-4-methyltrityl-D-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Dap(Mtt)-OH
    Catalog Number:
    16190
    CAS Number:
    1263046-35-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06796892
    Molecular Formula:
    C38H34N2O4
    Molecular Weight:
    582.7
    Specification Sheet SDS

  • Fmoc-cis-2-aminocyclohexanecarboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-1,2-cis-ACHC-OH
    Catalog Number:
    16171
    CAS Number:
    194471-85-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02682625
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.4
    Specification Sheet SDS

  • 2-(4-Boc-piperazinyl)-2-(3-cyanophenyl)acetic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    ^-(4-Boc-piperazinyl)-^-(3-cyanophenyl)acetic acid
    Catalog Number:
    16081
    CAS Number:
    885274-33-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659348
    Molecular Formula:
    C18H23N3O4
    Molecular Weight:
    345.4
    Specification Sheet SDS

  • 2-(4-Boc-piperazinyl)-2-(3-chlorophenyl)acetic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    α-(4-Boc-piperazinyl)-α-(3-chlorophenyl)acetic acid
    Catalog Number:
    16067
    CAS Number:
    885272-99-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659336
    Molecular Formula:
    C17H23ClN2O4
    Molecular Weight:
    354.83
    Specification Sheet SDS

  • (±-trans-4-(2-Trifluoromethylphenyl)pyrrolidine-3-carboxylic acid hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    trans-DL-b-Pro-4-(2-trifluoromethylphenyl)-OH·HCl
    Catalog Number:
    16020
    CAS Number:
    1049978-59-7
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06804651
    Molecular Formula:
    C12H13ClF3NO2
    Molecular Weight:
    295.69
    Specification Sheet SDS

  • Boc-(±)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-trans-DL-β-Pro-4-(4-methylphenyl)-OH
    Catalog Number:
    16005
    CAS Number:
    959577-53-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659273
    Molecular Formula:
    C17H23NO4
    Molecular Weight:
    305.37
    Specification Sheet SDS

  • (R)-γ-(3-Pyridinylmethyl)-L-proline·2HCl

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    15973
    CAS Number:
    1049754-12-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06795540
    Molecular Formula:
    C11H14N2O2·2HCl
    Molecular Weight:
    279.17
    Specification Sheet SDS

  • Boc-(R)-γ-(4-pyridinylmethyl)-L-proline

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    15976
    CAS Number:
    959581-01-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06659248
    Molecular Formula:
    C16H22N2O4
    Molecular Weight:
    306.36
    Specification Sheet SDS

  • Boc-R)-γ-(2,4-dichlorobenzyl)-L-proline

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    15928
    CAS Number:
    959582-83-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659420
    Molecular Formula:
    C17H21Cl2NO4
    Molecular Weight:
    374.26
    Specification Sheet SDS

  • (R)-γ-(3-Nitrobenzyl)-L-proline·HCl

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    15919
    CAS Number:
    1049740-11-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06659412
    Molecular Formula:
    C12H14N2O4·HCl
    Molecular Weight:
    286.71
    Specification Sheet SDS

  • (R)-γ-(4-Methylbenzyl)-L-proline·HCl

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    15915
    CAS Number:
    1049734-62-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06659408
    Molecular Formula:
    C13H17NO2·HCl
    Molecular Weight:
    255.74
    Specification Sheet SDS

  • (S)-α-(4-Trifluoromethylbenzyl)proline·HCl

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    15809
    CAS Number:
    1217861-80-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06796803
    Molecular Formula:
    C13H14F3NO2·HCl
    Molecular Weight:
    309.72
    Specification Sheet SDS

  • (S)-a-(4-Biphenylmethyl)proline·HCl

    Purity:
    ≥ 98% (NMR)
    Catalog Number:
    15845
    CAS Number:
    1217722-65-0
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD06659218
    Molecular Formula:
    C18H19NO2·HCl
    Molecular Weight:
    317.81
    Specification Sheet SDS

  • Fmoc-D-2-amino-5-phenylpentanoic acid

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Fmoc-D-Nva(5-phenyl)-OH
    Catalog Number:
    15724
    CAS Number:
    1217731-48-0
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD04117842
    Molecular Formula:
    C26H25NO4
    Molecular Weight:
    415.49
    Specification Sheet SDS

  • Fmoc-L-2-amino-5-phenylpentanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Nva(5-phenyl)-OH
    Catalog Number:
    15723
    CAS Number:
    959578-11-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06202350
    Molecular Formula:
    C26H25NO4
    Molecular Weight:
    415.49
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3-thienyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Ala-(3-thienyl)-OH
    Catalog Number:
    15704
    CAS Number:
    507472-09-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03427989
    Molecular Formula:
    C22H19NO4S
    Molecular Weight:
    393.46
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3'-pyridyl)propionic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-β-Ala-(3'-pyridyl)-OH
    Catalog Number:
    15694
    CAS Number:
    507472-06-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD03427986
    Molecular Formula:
    C23H20N2O4
    Molecular Weight:
    388.42
    Specification Sheet SDS

  • Fmoc-(R)-3-amino-3-(3-pyridyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-(R)-3-amino-3-(3-pyridyl)propionic acid
    Catalog Number:
    15693
    CAS Number:
    511272-43-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03428024
    Molecular Formula:
    C23H20N2O4
    Molecular Weight:
    388.42
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3,5-dimethoxyphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-Phe(3,5-dimethoxy)-OH
    Catalog Number:
    15691
    CAS Number:
    501015-38-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427984
    Molecular Formula:
    C26H25NO6
    Molecular Weight:
    447.49
    Specification Sheet SDS

  • Fmoc-(R)-3-amino-3-(4-hydroxyphenyl)propionic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-β-Phe(4-OH)-OH
    Catalog Number:
    15660
    CAS Number:
    511272-36-9
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD03428017
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.43
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3-hydroxyphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-Phe(3-OH)-OH
    Catalog Number:
    15658
    CAS Number:
    501015-32-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427978
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.43
    Specification Sheet SDS

  • Boc-(S)-3-amino-3-(4-hydroxyphenyl)propionic acid

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    Boc-L-β-Phe(4-OH)-OH
    Catalog Number:
    15659
    CAS Number:
    499995-80-1
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD03427903
    Molecular Formula:
    C14H19NO5
    Molecular Weight:
    281.31
    Specification Sheet SDS

  • Fmoc-(R)-3-amino-3-(2-hydroxyphenyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Phe(2-OH)-OH
    Catalog Number:
    15651
    CAS Number:
    511272-34-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03428015
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.43
    Specification Sheet SDS

  • (S)-3-Amino-3-(2-methylphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-β-Phe(2-Me)-OH
    Catalog Number:
    15618
    CAS Number:
    736131-48-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04113679
    Molecular Formula:
    C10H13NO2
    Molecular Weight:
    179.22
    Specification Sheet SDS

  • Boc-(S)-3-amino-3-(2-trifluoromethylphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-b-Phe(2-CF3)-OH
    Catalog Number:
    15574
    CAS Number:
    500770-77-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427925
    Molecular Formula:
    C15H18F3NO4
    Molecular Weight:
    333.31
    Specification Sheet SDS
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