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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.

  • Boc-4-tert-butyl-L-phenylalanine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-tBu)-OH·DCHA
    Catalog Number:
    07010
    CAS Number:
    143415-62-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD19707042
    Molecular Formula:
    C18H27NO4·C12H23N
    Molecular Weight:
    502.6
  • D-2-Methoxyphenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(2-OMe)-OH
    Catalog Number:
    07200
    CAS Number:
    170642-31-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03788081
    Molecular Formula:
    C10H13NO3
    Molecular Weight:
    195.2
  • H-β-Cyclopropyl-L-alanine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    L-Ala(β-cyclopropyl)-OH
    Catalog Number:
    07175
    CAS Number:
    102735-53-5
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD00798687
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • Boc-L-1,2,3,4-tetrahydronorharman-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Tpi-OH
    Catalog Number:
    07033
    CAS Number:
    66863-43-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800580
    Molecular Formula:
    C17H20N2O4
    Molecular Weight:
    316.36
  • Fmoc-D-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Tiq-OH
    Catalog Number:
    07001
    CAS Number:
    204317-98-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788061
    Molecular Formula:
    C25H21NO4
    Molecular Weight:
    399.4
  • Fmoc-1,5-diaminopentane hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-DAPe-OH·HCl
    Catalog Number:
    07145
    CAS Number:
    118119-32-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00832511
    Molecular Formula:
    C20H24N2O2·HCl
    Molecular Weight:
    360.9
  • Diethylglycine

    Purity:
    ≥ 98%
    Synonym:
    Deg-OH
    Catalog Number:
    07125
    CAS Number:
    2566-29-2
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01737173
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.2
  • Fmoc-L-allo-threonine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-allo-L-Thr-OH
    Catalog Number:
    07046
    CAS Number:
    146306-75-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318739
    Molecular Formula:
    C19H19NO5
    Molecular Weight:
    341.4
  • Fmoc-DL-isoserine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-DL-isoserine
    Catalog Number:
    07060
    CAS Number:
    161125-36-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672327
    Molecular Formula:
    C18H17NO5
    Molecular Weight:
    327.3
  • Boc-1,5-diaminopentane p-toluenesulfonate

    Purity:
    ≥ 99% (Titration)
    Synonym:
    Boc-DAPe-OH·TosOH
    Catalog Number:
    07151
    CAS Number:
    713520-27-5
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD01631657
    Molecular Formula:
    C10H22N2O2·C7H8O3S
    Molecular Weight:
    374.5
  • Boc-4-methyl-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-Me)-OH
    Catalog Number:
    07017
    CAS Number:
    80102-26-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01317027
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
  • 2-Aminotetraline-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Atc-OH
    Catalog Number:
    07167
    CAS Number:
    6331-63-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800504
    Molecular Formula:
    C11H13NO2
    Molecular Weight:
    191.22
  • 4-(Aminomethyl)-L-phenylalanine

    Purity:
    ≥ 98% (HPLC, Chiral purity)
    Synonym:
    L-Phe(4-CH2NH2)-OH
    Catalog Number:
    07166
    CAS Number:
    150338-20-8
    Purity Limit:
    ≥ 98% (HPLC, Chiral purity)
    MDL NO:
    MFCD01076208
    Molecular Formula:
    C10H14N2O2
    Molecular Weight:
    194.2
  • Fmoc-diethylglycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Deg-OH
    Catalog Number:
    07126
    CAS Number:
    218926-46-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02092977
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.5
  • Boc-10-aminodecanoic acid

    Purity:
    ≥ 98%
    Synonym:
    Boc-10-Adc-OH
    Catalog Number:
    07135
    CAS Number:
    173606-50-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00270351
    Molecular Formula:
    C15H29NO4
    Molecular Weight:
    287.4
  • S-Methyl-L-thiocitrulline acetate

    Purity:
    99%
    Synonym:
    L-ThioCit(S-Me)-OH·AcOH
    Catalog Number:
    07077
    CAS Number:
    156719-41-4
    Purity Limit:
    99%
    MDL NO:
    MFCD00672722
    Molecular Formula:
    C7H15N3O2S·C2H4O2
    Molecular Weight:
    265.21
  • 5-Aminovaleric acid benzyl ester p-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Ava-OBzl·TosOH
    Catalog Number:
    07008
    CAS Number:
    63649-14-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237402
    Molecular Formula:
    C12H17NO2·C7H8O3S
    Molecular Weight:
    379.5
  • Acetyl-DL-propargylglycine ethyl ester

    Purity:
    ≥ 99% (Assay by titration on dried basis)
    Synonym:
    Ac-DL-propargyl-Gly-OEt
    Catalog Number:
    07004
    CAS Number:
    23235-05-4
    Purity Limit:
    ≥ 99% (Assay by titration on dried basis)
    MDL NO:
    MFCD00237477
    Molecular Formula:
    C9H13NO3
    Molecular Weight:
    183.21
  • Nα-Boc-Nε-isopropyl-Nε-Z-L-lysine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Boc-L-Lys(iPr,Z)-OH
    Catalog Number:
    07136
    CAS Number:
    125323-99-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00236860
    Molecular Formula:
    C22H34N2O6
    Molecular Weight:
    422.5
  • (2S,4S)-γ-Hydroxy-L-glutamic acid

    Purity:
    ≥ 95% (Assay)
    Synonym:
    (2S,4S)-γ-Hydroxy-L-Glu-OH
    Catalog Number:
    07065
    CAS Number:
    3913-68-6
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD00672374
    Molecular Formula:
    C5H9NO5
    Molecular Weight:
    163.1
  • Nα-Boc-Nβ-2,4-dinitrophenyl-L-2,3-diamino-propionic acid N-hydroxyuccinimide ester

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Nα-Boc-Nβ-2,4-dinitrophenyl-L-2,3-diamino-propionic acid N-hydroxyuccinimide ester
    Catalog Number:
    07015
    CAS Number:
    214750-68-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00798631
    Molecular Formula:
    C18H21N5O10
    Molecular Weight:
    467.75
  • 2S,3S-3-Amino-2-hydroxy-4-phenylbutyric acid hydrochloride salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (2S,3S-H-Apns-OH·HCl
    Catalog Number:
    07163
    CAS Number:
    62023-62-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03788072
    Molecular Formula:
    C10H13NO3·HCl
    Molecular Weight:
    231.68
  • Ν-w-Hydroxy-L-norarginine diacetate salt

    Purity:
    ≥ 97% (TLC)
    Synonym:
    nor-NOHA diacetate
    Catalog Number:
    07067
    CAS Number:
    189302-40-7
    Purity Limit:
    ≥ 97% (TLC)
    MDL NO:
    MFCD03453555
    Molecular Formula:
    C5H12N4O3·2C2H4O2
    Molecular Weight:
    296.28
  • DL-3-Mercapto-2-benzylpropanoyl)glycine

    Purity:
    98+%
    Synonym:
    DL-Thiorphan
    Catalog Number:
    07088
    CAS Number:
    76721-89-6
    Purity Limit:
    98+%
    MDL NO:
    MFCD00058435
    Molecular Formula:
    C12H15NO3S
    Molecular Weight:
    253.3
  • Catalog Number:
    07185
    CAS Number:
    3627-45-0
    Purity Limit:
    98+%
    MDL NO:
    MFCD06795761
    Molecular Formula:
    C12H15NO2·HCl
    Molecular Weight:
    241.73
  • 4-tert-Butyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(4-tBu)-OH
    Catalog Number:
    07024
    CAS Number:
    274262-82-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259529
    Molecular Formula:
    C13H19NO2
    Molecular Weight:
    221.34
  • DL-Homoproline

    Purity:
    ≥ 98% (Assay)
    Synonym:
    DL-HomoPro-OH
    Catalog Number:
    07064
    CAS Number:
    535-75-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00064347
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.14
  • Nα-Z-Nβ-Boc-D-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Dap(Boc)-OH
    Catalog Number:
    07097
    CAS Number:
    62234-36-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318749
    Molecular Formula:
    C16H22N2O6
    Molecular Weight:
    338.4
  • Z-(4-tert-butyloxycarbonyl)-L-phenylalanine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Z-L-Phe(4-COOtBu)-OH
    Catalog Number:
    07094
    CAS Number:
    270567-85-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01318753
    Molecular Formula:
    ≥ 99% (Assay)
    Molecular Weight:
    399.34
  • Di-n-propylglycine

    Synonym:
    Dpg-OH
    Catalog Number:
    07127
    CAS Number:
    2566-31-6
    MDL NO:
    MFCD02092972
    Molecular Formula:
    C8H17NO2
    Molecular Weight:
    159.2
  • R,S-1,3-Dihydro-2H-isoindole carboxylic acid hydrochloride salt

    Purity:
    ≥ 97.0% (Assay)
    Synonym:
    DL-Disc-OH·HCl
    Catalog Number:
    07177
    CAS Number:
    66938-02-1
    Purity Limit:
    ≥ 97.0% (Assay)
    MDL NO:
    MFCD01318494
    Molecular Formula:
    C9H9NO2·HCl
    Molecular Weight:
    199.65
  • L-Cyclopentylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Gly(cyclopentyl)-OH
    Catalog Number:
    07174
    CAS Number:
    2521-84-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD03788076
    Molecular Formula:
    C7H13NO2
    Molecular Weight:
    143.1
  • 4-tert-Butyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC, Chiral purity)
    Synonym:
    L-Phe(4-tBu)-OH
    Catalog Number:
    07023
    CAS Number:
    82372-74-5
    Purity Limit:
    ≥ 98% (HPLC, Chiral purity)
    MDL NO:
    MFCD02259528
    Molecular Formula:
    C13H19NO2
    Molecular Weight:
    221.34
  • 4-Carboxy-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(4-COOH)-OH
    Catalog Number:
    07030
    CAS Number:
    126109-42-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318768
    Molecular Formula:
    C10H11NO4
    Molecular Weight:
    209.46
  • 3-(3'-Pyridyl)-DL-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DL-Ala(3'-pyridyl)-OH
    Catalog Number:
    07082
    CAS Number:
    17470-24-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259525
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • 3-(2-Naphthyl)-L-alanine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Ala(2-naphthyl)-OBzl·TosOH
    Catalog Number:
    07080
    CAS Number:
    126829-54-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259526
    Molecular Formula:
    C20H19NO2·C7H8O3S
    Molecular Weight:
    477.58
  • 4-Methyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(4-Me)-OH
    Catalog Number:
    07070
    CAS Number:
    49759-61-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00152137
    Molecular Formula:
    C10H13NO2
    Molecular Weight:
    179.23
  • 4-Piperidino-L-proline hydrochloride

    Purity:
    99%
    Synonym:
    (4-Piperidino)-L-Pro-OH·HCl
    Catalog Number:
    07189
    Purity Limit:
    99%
    MDL NO:
    MFCD19444036
    Molecular Formula:
    C15H18N2O2·HCl
    Molecular Weight:
    234.76
  • 3,4-Dehydro-L-proline amide hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    3,4-Dehydro-L-Pro-NH2·HCl
    Catalog Number:
    07037
    CAS Number:
    64869-59-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00039000
    Molecular Formula:
    C5H8N2O·HCl
    Molecular Weight:
    148.54
  • Fmoc-1-aminocyclohexane carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-homocycloleucine
    Catalog Number:
    07000
    CAS Number:
    162648-54-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00273464
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.4
  • Nα-Acetyl-5-methyl-DL-tryptophan

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-DL-Trp(5-Me)-OH
    Catalog Number:
    06999
    CAS Number:
    71953-90-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00055984
    Molecular Formula:
    C14H16N2O3
    Molecular Weight:
    260.32
  • Acetyl-S-farnesyl-L-cysteine methyl ester

    Synonym:
    Ac-L-Cys(farnesyl)-OMe
    Catalog Number:
    06996
    CAS Number:
    135304-08-4
    MDL NO:
    MFCD00236994
    Molecular Formula:
    C21H35NO3S
    Molecular Weight:
    381.58
  • Ac-4,5-dehydro-L-leucine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-4,5-dehydro-L-Leu-OH
    Catalog Number:
    06997
    CAS Number:
    88547-24-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00237465
    Molecular Formula:
    C8H13NO3
    Molecular Weight:
    171.2
  • Acetyl-S-farnesyl-L-cysteine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-L-Cys(Farnesyl)-OH
    Catalog Number:
    06995
    CAS Number:
    135304-07-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00871540
    Molecular Formula:
    C20H33NO3S
    Molecular Weight:
    367.55
  • 3-(4'-Pyridyl)-D-alanine

    Purity:
    ≥ 98%
    Synonym:
    D-Ala(4'-pyridyl)-OH
    Catalog Number:
    06925
    CAS Number:
    37535-50-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01860874
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • β-Cyclohexyl-D-alanine methyl ester hydrochloride

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    D-Cha-OMe·HCl
    Catalog Number:
    06931
    CAS Number:
    144644-00-8
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00797542
    Molecular Formula:
    C10H19NO2·HCl
    Molecular Weight:
    221.7
  • 5-Aminovaleric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Ava-OH
    Catalog Number:
    06917
    CAS Number:
    660-88-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00008232
    Molecular Formula:
    C5H11NO2
    Molecular Weight:
    117.15
  • 3-(4'-Pyridyl)-L-alanine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-Ala(4'-pyridyl)-OH
    Catalog Number:
    06924
    CAS Number:
    37535-49-2
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01860883
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • Nα-Boc-D-tryptophan N-hydroxysuccinimide ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Trp-OSu
    Catalog Number:
    06920
    CAS Number:
    22220-11-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02092969
    Molecular Formula:
    C20H23N3O6
    Molecular Weight:
    401.42
  • DL-Nipecotic acid

    Purity:
    ≥ 98.5% (by perchloric acid ), ≥ 98.5% (by NaOH)
    Synonym:
    DL-Nip-OH
    Catalog Number:
    06902
    CAS Number:
    498-95-3
    Purity Limit:
    ≥ 98.5% (by perchloric acid ), ≥ 98.5% (by NaOH)
    MDL NO:
    MFCD00005992
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16