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Unusual Amino Acids

2368
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  • 4-Aminobenzoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Abz-OH
    Catalog Number:
    01431
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    150-13-0
    MDL NO:
    MFCD00007894
    Molecular Formula:
    C7H7NO2
    Molecular Weight:
    137.14
  • +)-(1S,3R-3-Amino-cyclopentane carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (+)-(1S,3R-β-Homocycloleucine
    Catalog Number:
    15487
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    71830-07-4
    MDL NO:
    MFCD00211290
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • (+)-(1R,4S)-4-Aminocyclopent-2-enecarboxylic acid

    Purity:
    ≥ 98%
    Synonym:
    (+)-(1R,4S)-γ-Homocycloleu-2-ene
    Catalog Number:
    15211
    Purity Limit:
    ≥ 98%
    CAS Number:
    134003-04-6
    MDL NO:
    MFCD00211285
    Molecular Formula:
    C6H9NO2
    Molecular Weight:
    127.14
  • 1-Boc-4-piperidone

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    tert-Butyl 4-oxo-1-piperidinecarboxylate
    Catalog Number:
    05037
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    79099-07-3
    MDL NO:
    MFCD00151800
    Molecular Formula:
    C10H17NO3
    Molecular Weight:
    199.24
  • Fmoc-L-cyclohexylglycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Chg-OH
    Catalog Number:
    02562
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    161321-36-4
    MDL NO:
    MFCD00190878
    Molecular Formula:
    C23H25NO4
    Molecular Weight:
    379.4
  • N-Boc-1,3-diaminopropane

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    N-(tert-Butoxycarbonyl)-1,3-diaminopropane
    Hazmat
    Catalog Number:
    31316
    Purity Limit:
    ≥ 98% (GC)
    CAS Number:
    75178-96-0
    MDL NO:
    MFCD00210021
    Molecular Formula:
    C8H18N2O2
    Molecular Weight:
    174.24
  • Fmoc-α-Me-D-Leu-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R)-N-Fmoc-α-methylleucine
    Catalog Number:
    29355
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    1231709-23-1
    MDL NO:
    MFCD12031693
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.44
  • 5-Bromo-DL-tryptophan

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    2-Amino-3-(5-bromo-1H-indol-3-yl)propanoic acid
    Catalog Number:
    21229
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    6548-09-0
    MDL NO:
    MFCD00005648
    Molecular Formula:
    C11H11BrN2O2
    Molecular Weight:
    283.12
  • 5-Methyl-DL-tryptophan

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    DL-2-Amino-3-(5-methylindolyl)propionic acid
    Catalog Number:
    21208
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    951-55-3
    MDL NO:
    MFCD00005652
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.26
  • Fmoc-α-methyl-D-4-fluorophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-α-Me-D-Phe(4-F)-OH
    Catalog Number:
    16738
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    1217777-84-8
    MDL NO:
    MFCD08061622
    Molecular Formula:
    C25H22FNO4
    Molecular Weight:
    419.44
  • Fmoc-L-2-amino-5-phenylpentanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Nva(5-phenyl)-OH
    Catalog Number:
    15723
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    959578-11-1
    MDL NO:
    MFCD06202350
    Molecular Formula:
    C26H25NO4
    Molecular Weight:
    415.49
  • Fmoc-(S-3-amino-3-(3-bromophenyl)propionic acid

    Synonym:
    Fmoc-L-β-Phe(3-Br)-OH
    Catalog Number:
    15569
    CAS Number:
    507472-18-6
    MDL NO:
    MFCD03428000
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.33
  • +)-(1R,4S-N-Boc-4-aminocyclopent-2-enecarboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (+)-(1R,4S-N-Boc-γ-homocycloleu-2-ene
    Catalog Number:
    15215
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    151907-80-1
    MDL NO:
    MFCD00211288
    Molecular Formula:
    C11H17NO4
    Molecular Weight:
    227.26
  • Fmoc-β-cyano-L-alanine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-β-Cyano-L-Ala-OH
    Catalog Number:
    15135
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    127273-06-7
    MDL NO:
    MFCD01861370
    Molecular Formula:
    C19H16N2O4
    Molecular Weight:
    336.34
  • Nα-Fmoc-Nε-7-methoxycoumarin-4-acetyl-L-lysine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-L-Lys(Mca)-OH
    Catalog Number:
    14855
    Purity Limit:
    ≥ 95% (HPLC)
    CAS Number:
    386213-32-7
    MDL NO:
    MFCD03791024
    Molecular Formula:
    C33H32N2O8
    Molecular Weight:
    584.63
  • Nα-Fmoc-Nβ-4-methyltrityl-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Dap(Mtt)-OH
    Catalog Number:
    12608
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    654670-89-0
    MDL NO:
    MFCD02094097
    Molecular Formula:
    C38H34N2O4
    Molecular Weight:
    582.7
  • Fmoc-β-chloro-L-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-β-Chloro-L-Ala-OH
    Catalog Number:
    12423
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    212651-52-0
    MDL NO:
    MFCD00270534
    Molecular Formula:
    C18H15NO4Cl
    Molecular Weight:
    345.7
  • cis-4-Fluoro-L-proline

    Purity:
    ≥ 97% (NMR)
    Synonym:
    cis-4-Fluoro-L-Pro-OH
    Catalog Number:
    11436
    Purity Limit:
    ≥ 97% (NMR)
    CAS Number:
    2438-57-5
    MDL NO:
    MFCD02683983
    Molecular Formula:
    C5H8FNO2
    Molecular Weight:
    133.12
  • Deamino-histidine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3-(Imidazol-4-yl)propionic acid
    Catalog Number:
    11073
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    1074-59-5
    MDL NO:
    MFCD00237415
    Molecular Formula:
    C6H8N2O2
    Molecular Weight:
    140.14
  • L-α-Methylproline

    Purity:
    ≥ 98% (NMR)
    Synonym:
    α-Me-L-Pro-OH
    Catalog Number:
    08219
    Purity Limit:
    ≥ 98% (NMR)
    CAS Number:
    42856-71-3
    MDL NO:
    MFCD01318647
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • Fmoc-3,4,5-trifluoro-L-phenylalanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-L-Phe(3,4,5-trifluoro)-OH
    Catalog Number:
    07398
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    205526-30-3
    MDL NO:
    MFCD00797583
    Molecular Formula:
    C24H18F3NO4
    Molecular Weight:
    441.41
  • Fmoc-p-trifluoromethyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-CF3)-OH
    Catalog Number:
    07392
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    247113-86-6
    MDL NO:
    MFCD00797581
    Molecular Formula:
    C25H20F3NO4
    Molecular Weight:
    455.43
  • 6-Diazo-5-oxo-L-norleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Nle(6-Diazo-5-oxo)-OH
    Catalog Number:
    07038
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    157-03-9
    MDL NO:
    MFCD00037218
    Molecular Formula:
    C6H9N3O3
    Molecular Weight:
    171.16
  • Catalog Number:
    07105
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    607366-20-1
    MDL NO:
    MFCD01631659
    Molecular Formula:
    C31H36N2O6
    Molecular Weight:
    532.5
  • 4-Methyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phe(4-Me)-OH
    Catalog Number:
    07069
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    1991-87-3
    MDL NO:
    MFCD00038575
    Molecular Formula:
    C10H13NO2
    Molecular Weight:
    179.23
  • Nα-Fmoc-Nβ-2,4-dinitrophenyl-L-2,3-diaminopropionic acid Solvate with Toluene

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    Fmoc-L-Dap(Dnp)-OH
    Catalog Number:
    06316
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    CAS Number:
    140430-54-2
    MDL NO:
    MFCD00798650
    Molecular Formula:
    C24H20N4O8
    Molecular Weight:
    492.51
  • Fmoc-D-homoproline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-HomoPro-OH
    Catalog Number:
    05137
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    101555-63-9
    MDL NO:
    MFCD00235899
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
  • Fmoc-L-propargylglycine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Fmoc-L-propargyl-Gly-OH
    Catalog Number:
    05138
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    CAS Number:
    198561-07-8
    MDL NO:
    MFCD01075095
    Molecular Formula:
    C20H17NO4
    Molecular Weight:
    335.3
  • Fmoc-L-homotyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-homotyrosine
    Catalog Number:
    05128
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    198560-10-0
    MDL NO:
    MFCD00235904
    Molecular Formula:
    C25H23NO5
    Molecular Weight:
    416.7
  • Fmoc-(3R-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Tic(OH)-OH
    Catalog Number:
    05011
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    178432-50-3
    MDL NO:
    MFCD00792390
    Molecular Formula:
    C25H21NO5
    Molecular Weight:
    415.4
  • Fmoc-L-indoline-2-carboxylic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-L-IDC-OH
    Catalog Number:
    04986
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    198560-38-2
    MDL NO:
    MFCD00273469
    Molecular Formula:
    C24H19NO4
    Molecular Weight:
    385.4
  • Fmoc-2-aminoindane-2-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-Aic-OH
    Catalog Number:
    04958
    Purity Limit:
    ≥ 97% (HPLC)
    CAS Number:
    135944-07-9
    MDL NO:
    MFCD00800588
    Molecular Formula:
    C25H21NO4
    Molecular Weight:
    399.45
  • 3,3',5-Triiodo-L-thyronine sodium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Liothyronine sodium
    Catalog Number:
    04468
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    55-06-1
    MDL NO:
    MFCD00002594
    Molecular Formula:
    C15H11I3NO4Na
    Molecular Weight:
    673.0
  • L-Azetidine-2-carboxylic acid

    Purity:
    ≥ 97% (Assay)
    Synonym:
    (S-2-Azetidine-2-carboxylic acid
    Catalog Number:
    04462
    Purity Limit:
    ≥ 97% (Assay)
    CAS Number:
    2133-34-8
    MDL NO:
    MFCD00005166
    Molecular Formula:
    C4H7NO2
    Molecular Weight:
    101.1
  • Fmoc-2-fluoro-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(2-F)-OH
    Catalog Number:
    04138
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    CAS Number:
    205526-26-7
    MDL NO:
    MFCD00672552
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.4
  • Fmoc-2-fluoro-D-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Phe(2-F)-OH
    Catalog Number:
    04139
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    CAS Number:
    198545-46-9
    MDL NO:
    MFCD00672553
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.4
  • Fmoc-4-cyano-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-CN)-OH
    Catalog Number:
    04114
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    173963-93-4
    MDL NO:
    MFCD00672559
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.4
  • Fmoc-3,5-dibromo-L-tyrosine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Fmoc-3,5-dibromo-L-Tyr-OH
    Catalog Number:
    03912
    Purity Limit:
    ≥ 99% (TLC)
    CAS Number:
    201484-26-6
    MDL NO:
    MFCD00065686
    Molecular Formula:
    C24H19Br2NO5
    Molecular Weight:
    561.2
  • Fmoc-L-phenylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Fmoc-L-Phg-OH
    Catalog Number:
    03732
    Purity Limit:
    ≥ 99% (Assay)
    CAS Number:
    102410-65-1
    MDL NO:
    MFCD00155632
    Molecular Formula:
    C23H19NO4
    Molecular Weight:
    373.4
  • Fmoc-(3S-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Tic(OH)-OH
    Catalog Number:
    02870
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    178432-49-0
    MDL NO:
    MFCD00792388
    Molecular Formula:
    C25H21NO5
    Molecular Weight:
    415.4
  • α-Aminoisobutyric acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    H-Aib-OH
    Catalog Number:
    02864
    Purity Limit:
    ≥ 99% (Assay)
    CAS Number:
    62-57-7
    MDL NO:
    MFCD00008049
    Molecular Formula:
    C4H9NO2
    Molecular Weight:
    103.12
  • 4-Chloro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(4-Cl)-OH
    Catalog Number:
    02861
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    14173-39-8
    MDL NO:
    MFCD00063065
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.6
  • Fmoc-L-octahydroindole-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Oic-OH
    Catalog Number:
    02718
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    130309-37-4
    MDL NO:
    MFCD09750487
    Molecular Formula:
    C24H25NO4
    Molecular Weight:
    391.5
  • Boc-(3S-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Tic-OH
    Catalog Number:
    02599
    Purity Limit:
    ≥ 98% (HPLC)
    CAS Number:
    78879-20-6
    MDL NO:
    MFCD00143845
    Molecular Formula:
    C15H19NO4
    Molecular Weight:
    277.3
  • L-α-tert-Butyl-Gly-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    L-Tle-OH
    Catalog Number:
    02554
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    CAS Number:
    20859-02-3
    MDL NO:
    MFCD00064218
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.2
  • Fmoc-6-aminohexanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-6-aminocaproic acid
    Catalog Number:
    02490
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    88574-06-5
    MDL NO:
    MFCD00077045
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.3
  • Fmoc-L-norleucine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-L-Nle-OH
    Catalog Number:
    02440
    Purity Limit:
    ≥ 98% (Assay)
    CAS Number:
    77284-32-3
    MDL NO:
    MFCD00037537
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.42
  • L-Norvaline

    Purity:
    98.5 - 101.0% (Assay by titration)
    Synonym:
    L-Nva-OH
    Catalog Number:
    02041
    Purity Limit:
    98.5 - 101.0% (Assay by titration)
    CAS Number:
    6600-40-4
    MDL NO:
    MFCD00064421
    Molecular Formula:
    C5H11NO2
    Molecular Weight:
    117.1
  • Boc-O-methyl-L-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Tyr(Me)-OH
    Catalog Number:
    01398
    Purity Limit:
    ≥ 99% (HPLC)
    CAS Number:
    53267-93-9
    MDL NO:
    MFCD00065603
    Molecular Formula:
    C15H21NO5
    Molecular Weight:
    295.3
  • Hydroxylamine hydrochloride

    Hazmat
    Purity:
    ≥ 99% (Titration)
    Synonym:
    Hydroxylammonium chloride
    Hazmat
    Catalog Number:
    01235
    Purity Limit:
    ≥ 99% (Titration)
    CAS Number:
    5470-11-1
    MDL NO:
    MFCD00051089
    Molecular Formula:
    NH2OH·HCl
    Molecular Weight:
    69.49