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Peptide Chemistry

Peptide Chemistry

621
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.

  • Nα-Fmoc-Nγ-Azido-D-2,4-diaminobutyric acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (2R)-4-azido-2-(Fmoc-amino)butanoic acid
    Catalog Number:
    30530
    CAS Number:
    1263047-53-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD13184927
    Molecular Formula:
    C19H18N4O4
    Molecular Weight:
    366.4
  • (4R)-Fmoc-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid

    Purity:
    98.5 - 100.0% (Assay by titration)
    Synonym:
    Fmoc-L-Thz(Me2)-OH
    Catalog Number:
    30523
    CAS Number:
    873842-06-9
    Purity Limit:
    98.5 - 100.0% (Assay by titration)
    MDL NO:
    MFCD05665145
    Molecular Formula:
    C21H21NO4S
    Molecular Weight:
    383.5
  • Nα-Z-D-2,3-diaminopropionic acid methyl ester hydrochloride

    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    Z-D-Dap-OMe.HCl
    Catalog Number:
    30480
    CAS Number:
    96192-93-7
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD21363346
    Molecular Formula:
    C12H17ClN2O4
    Molecular Weight:
    288.7
  • Nα-Boc-Nε-Azido-D-Lysine cyclohexylammonium salt

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    (R)-6-Azido-2-(Boc-amino)hexanoic acid cyclohexylamine salt
    Catalog Number:
    30473
    CAS Number:
    1620410-04-9
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD18426565
    Molecular Formula:
    C17H33N5O4
    Molecular Weight:
    371.5
  • (4S)-Azido-L-Proline hydrochloride

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    H-L-Pro(4S-N3)-OH·HCl
    Catalog Number:
    30465
    CAS Number:
    1217823-31-8, 892128-58-4
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    MDL NO:
    MFCD08690634
    Molecular Formula:
    C5H9ClN4O2
    Molecular Weight:
    192.6
  • Nγ-Azido-D-2,4-diaminobutyric acid hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-2-amino-4-azidobutanoic acid hydrochloride
    Catalog Number:
    30457
    CAS Number:
    120042-14-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD18382041
    Molecular Formula:
    C4H9ClN4O2
    Molecular Weight:
    180.6
  • Catalog Number:
    30466
    CAS Number:
    862847-44-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD07366801
    Molecular Formula:
    C24H40N2O6
    Molecular Weight:
    452.6
  • Fmoc-Val-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Val-Ser[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30321
    CAS Number:
    186023-49-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18427720
    Molecular Formula:
    C26H30N2O6
    Molecular Weight:
    466.53
  • Fmoc-Phe-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    90 - 100% (Assay by titration)
    Synonym:
    Fmoc-Phe-Ser[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30316
    CAS Number:
    878797-01-4
    Purity Limit:
    90 - 100% (Assay by titration)
    MDL NO:
    MFCD11974985
    Molecular Formula:
    C30H30N2O6
    Molecular Weight:
    514.58
  • Fmoc-Phe-Thr[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Phe-Thr[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30317
    CAS Number:
    1196703-48-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18427357
    Molecular Formula:
    C31H32N2O6
    Molecular Weight:
    528.6
  • Fmoc-Val-Thr[Psi(Me,Me)Pro]-OH

    Purity:
    95 - 105% (Assay by titration)
    Synonym:
    Fmoc-Val-Thr[Y(Me,Me)Pro]-OH
    Catalog Number:
    30322
    CAS Number:
    168216-05-5
    Purity Limit:
    95 - 105% (Assay by titration)
    MDL NO:
    MFCD18427722
    Molecular Formula:
    C27H32N2O6
    Molecular Weight:
    480.56
  • Fmoc-Asn(Trt)-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Asn(Trt)-Ser[Y(Me,Me)Pro]-OH
    Catalog Number:
    30325
    CAS Number:
    920519-33-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD10001368
    Molecular Formula:
    C44H41N3O7
    Molecular Weight:
    723.82
  • Fmoc-Ser(tBu)-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    95 - 105% (Assay by titration)
    Synonym:
    Fmoc-Ser(tBu)-Ser[Y(Me,Me)Pro]-OH
    Catalog Number:
    30318
    CAS Number:
    1000164-43-1
    Purity Limit:
    95 - 105% (Assay by titration)
    MDL NO:
    MFCD11974988
    Molecular Formula:
    C28H34N2O7
    Molecular Weight:
    510.58
  • Fmoc-Lys(Boc)-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Lys(Boc)-Ser[Y(Me,Me)Pro]-OH
    Catalog Number:
    30314
    CAS Number:
    957780-54-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD18427353
    Molecular Formula:
    C32H41N3O8
    Molecular Weight:
    595.69
  • Fmoc-Asp(OtBu)-Thr[Psi(Me,Me)Pro]-OH

    Purity:
    98 - 101% (Assay by titration)
    Synonym:
    Fmoc-Asp(OtBu)-Thr[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30305
    CAS Number:
    920519-32-0
    Purity Limit:
    98 - 101% (Assay by titration)
    MDL NO:
    MFCD18427721
    Molecular Formula:
    C30H36N2O8
    Molecular Weight:
    552.62
  • Fmoc-Thr(tBu)-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Thr(tBu)-Ser[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30323
    CAS Number:
    1425938-63-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02682878
    Molecular Formula:
    C29H36N2O7 
    Molecular Weight:
    524.61
  • Boc-L-aspartic acid b-methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Asp(OMe)-OH
    Catalog Number:
    29861
    CAS Number:
    59768-74-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00278971
    Molecular Formula:
    C10H17NO7
    Molecular Weight:
    247.25
  • Catalog Number:
    29632
    CAS Number:
    1185841-84-2
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD15141977
    Molecular Formula:
    C36H44N4O7S
    Molecular Weight:
    676.83
  • N-Boc-hydroxylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    tert-Butyl N-hydroxycarbamate
    Catalog Number:
    29751
    CAS Number:
    36016-38-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002107
    Molecular Formula:
    C5H11NO3
    Molecular Weight:
    133.15
  • Fmoc-5-methoxy-L-tryptophan

    Purity:
    ≥ 98.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Trp(5-OMe)-OH
    Catalog Number:
    29726
    CAS Number:
    1219184-52-7, 460751-69-3
    Purity Limit:
    ≥ 98.5% (Chiral HPLC)
    MDL NO:
    MFCD28166522
    Molecular Formula:
    C27H24N2O5
    Molecular Weight:
    456.49
  • (S)-Fmoc-β-hydroxy-valine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (S-Fmoc-2-amino-3-hydroxy-3-methyl-butyric acid
    Catalog Number:
    29718
    CAS Number:
    1217603-41-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04974410
    Molecular Formula:
    C20H21NO5
    Molecular Weight:
    355.39
  • Fmoc-N-(propargyl)-glycine

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    29674
    CAS Number:
    1033622-38-6
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD17976767
    Molecular Formula:
    C20H17NO4
    Molecular Weight:
    335.36
  • Catalog Number:
    29661
    CAS Number:
    1018332-24-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD11519437
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.51
  • (R)-Fmoc-2-amino-3-phenylsulfanyl-propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Cys(phenyl)-OH
    Catalog Number:
    29639
    CAS Number:
    488761-06-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08063325
    Molecular Formula:
    C24H21NO4S
    Molecular Weight:
    419.5
  • 6-Azido-hexanoic acid

    Purity:
    ≥ 98% (GC)
    Catalog Number:
    29363
    CAS Number:
    79598-53-1
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD12406156
    Molecular Formula:
    C6H11N3O2
    Molecular Weight:
    157.17
  • Fmoc-α-Me-D-Leu-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R)-N-Fmoc-α-methylleucine
    Catalog Number:
    29355
    CAS Number:
    1231709-23-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD12031693
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.44
  • Fmoc-(S)-2-(aminomethyl)-4-methylpentanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (S)-Fmoc-2-aminomethyl-4-methyl-pentanoic acid
    Catalog Number:
    29032
    CAS Number:
    193887-45-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD07372888
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.44
  • (S)-(+)-Nipecotic acid

    Purity:
    ≥ 99% (Titration)
    Synonym:
    (S-(+)-3-Piperidinecarboxylic acid
    Catalog Number:
    28510
    CAS Number:
    59045-82-8
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD01630807
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • Catalog Number:
    27781
    CAS Number:
    73401-74-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00065692
    Molecular Formula:
    C9H10O3
    Molecular Weight:
    166.18
  • Catalog Number:
    27342
    CAS Number:
    3332-29-4
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00012956
    Molecular Formula:
    C2H7NO·HCl
    Molecular Weight:
    97.54
  • Nε-Crotonyl-L-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Lys(crotonyl)-OH
    Catalog Number:
    26509
    CAS Number:
    1338823-35-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD22381072
    Molecular Formula:
    C10H18N2O3
    Molecular Weight:
    214.2
  • L-2-(Fmoc-amino)-4-azidobutanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Dab(N3)-OH
    Catalog Number:
    26457
    CAS Number:
    942518-20-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD11052920
    Molecular Formula:
    C19H18N4O4
    Molecular Weight:
    366.38
  • Nα-Trityl-Nε-Fmoc-L-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Trt-L-Lys(Fmoc)-OH
    Catalog Number:
    26454
    CAS Number:
    122832-81-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD05663751
    Molecular Formula:
    C40H38N2O4
    Molecular Weight:
    610.75
  • Nα-Fmoc-Nβ-Octanoyl-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Dap(Octanoyl)-OH
    Catalog Number:
    26443
    CAS Number:
    1423018-04-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18427298
    Molecular Formula:
    C26H32N2O5
    Molecular Weight:
    452.55
  • 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
  • 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
  • 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
  • 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
  • Catalog Number:
    22652
    CAS Number:
    464926-00-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD06656443
    Molecular Formula:
    C34H65N5O10
    Molecular Weight:
    703.92
  • 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
  • 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
  • 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
  • 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
  • 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
  • 5-Methyl-DL-tryptophan

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    DL-2-Amino-3-(5-methylindolyl)propionic acid
    Catalog Number:
    21208
    CAS Number:
    951-55-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00005652
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.26
  • Catalog Number:
    19242
    CAS Number:
    1260640-00-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06739171
    Molecular Formula:
    C10H10BrNO2
    Molecular Weight:
    256.1
  • 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
  • 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
  • Fmoc-3-(Boc-aminomethyl)-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(3-CH2NHBoc)-OH
    Catalog Number:
    16862
    CAS Number:
    266999-24-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01860734
    Molecular Formula:
    C30H32N2O6
    Molecular Weight:
    516.58
  • 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