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Unusual Amino Acids

2360
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  • 6-Diazo-5-oxo-L-norleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Nle(6-Diazo-5-oxo)-OH
    Catalog Number:
    07038
    CAS Number:
    157-03-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00037218
    Molecular Formula:
    C6H9N3O3
    Molecular Weight:
    171.16
  • Fmoc-L-norleucine

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

    Grade:
    USP
    Synonym:
    D-4-Amino-3-isoxazolidinone
    Catalog Number:
    00618
    Grade:
    USP
    CAS Number:
    68-41-7
    MDL NO:
    MFCD00005353
    Molecular Formula:
    C3H6N2O2
    Molecular Weight:
    102.1
  • Fmoc-D-azetidine-2-carboxylic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-(R-azetidine-2-carboxylic acid
    Catalog Number:
    35203
    CAS Number:
    374791-02-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01320875
    Molecular Formula:
    C19H17NO4
    Molecular Weight:
    323.34
  • Fmoc-2-methyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(2-Me)-OH
    Catalog Number:
    12843
    CAS Number:
    211637-75-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00671391
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
  • Fmoc-L-azetidine-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-(S-azetidine-2-carboxylic acid
    Catalog Number:
    07329
    CAS Number:
    136552-06-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01320843
    Molecular Formula:
    C19H17NO4
    Molecular Weight:
    323.36
  • Fmoc-O-methyl-L-tyrosine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Tyr(Me)-OH
    Catalog Number:
    05350
    CAS Number:
    77128-72-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00153368
    Molecular Formula:
    C25H23NO5
    Molecular Weight:
    417.47
  • Fmoc-L-propargylglycine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Fmoc-L-propargyl-Gly-OH
    Catalog Number:
    05138
    CAS Number:
    198561-07-8
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD01075095
    Molecular Formula:
    C20H17NO4
    Molecular Weight:
    335.3
  • Fmoc-2-fluoro-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(2-F)-OH
    Catalog Number:
    04138
    CAS Number:
    205526-26-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00672552
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.4
  • Fmoc-6-aminohexanoic acid

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

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Abz-OH
    Catalog Number:
    01431
    CAS Number:
    150-13-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00007894
    Molecular Formula:
    C7H7NO2
    Molecular Weight:
    137.14
  • 5-Bromo-DL-tryptophan

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

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (+)-(1S,3R-β-Homocycloleucine
    Catalog Number:
    15487
    CAS Number:
    71830-07-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00211290
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • Fmoc-p-trifluoromethyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-CF3)-OH
    Catalog Number:
    07392
    CAS Number:
    247113-86-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00797581
    Molecular Formula:
    C25H20F3NO4
    Molecular Weight:
    455.43
  • Fmoc-1,6-diaminohexane hydrochloride

    Purity:
    ≥ 99% (Assay by titration, HPLC)
    Synonym:
    N-Fmoc-1,6-hexanediamine hydrochloride
    Catalog Number:
    07146
    CAS Number:
    166410-37-3
    Purity Limit:
    ≥ 99% (Assay by titration, HPLC)
    MDL NO:
    MFCD00830743
    Molecular Formula:
    C21H26N2O2·HCl
    Molecular Weight:
    374.9
  • Fmoc-D-homoproline

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

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-HomoPro-OH
    Catalog Number:
    05136
    CAS Number:
    86069-86-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00235898
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
  • 4-Benzoyl-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Bpa-OH
    Catalog Number:
    05110
    CAS Number:
    104504-45-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00238102
    Molecular Formula:
    C16H15NO3
    Molecular Weight:
    269.3
  • Fmoc-(2S,4S-4-amino-1-benzoyl-pyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-AZPC(2S,4S-OH
    Catalog Number:
    04940
    CAS Number:
    204321-85-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00673784
    Molecular Formula:
    C27H24N2O5
    Molecular Weight:
    456.5
  • Diethanolamine

    Hazmat
    Purity:
    ≥ 99%
    Synonym:
    Bis(2-hydroxyethyl)amine
    Hazmat
    Catalog Number:
    03999
    CAS Number:
    111-42-2
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00002843
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    105.1
  • Fmoc-L-allo-isoleucine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Fmoc-allo-L-Ile-OH
    Catalog Number:
    03754
    CAS Number:
    251316-98-0
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD01631976
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.4
  • Fmoc-γ-aminobutyric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-γ-Abu-OH
    Catalog Number:
    02692
    CAS Number:
    116821-47-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00144889
    Molecular Formula:
    C19H19NO4
    Molecular Weight:
    325.4
  • Fmoc-sarcosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Sar-OH
    Catalog Number:
    02653
    CAS Number:
    77128-70-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151926
    Molecular Formula:
    C18H17NO4
    Molecular Weight:
    311.3
  • Fmoc-4-fluoro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-F)-OH
    Catalog Number:
    02575
    CAS Number:
    169243-86-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191197
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.4
  • Fmoc-L-cyclohexylglycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Chg-OH
    Catalog Number:
    02562
    CAS Number:
    161321-36-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00190878
    Molecular Formula:
    C23H25NO4
    Molecular Weight:
    379.4
  • Fmoc-O-acetyl-L-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Thr(Ac)-OH
    Catalog Number:
    35331
    CAS Number:
    181817-14-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01861336
    Molecular Formula:
    C21H21NO6
    Molecular Weight:
    383.39
  • Bis-Boc-amino-oxyacetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Bis-Boc-Aoa
    Catalog Number:
    31884
    CAS Number:
    293302-31-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06410966
    Molecular Formula:
    C12H21NO7
    Molecular Weight:
    291.3
  • 1,3-Diaminopropane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,3-Propanediamine
    Hazmat
    Catalog Number:
    24749
    CAS Number:
    109-76-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008228
    Molecular Formula:
    C3H10N2
    Molecular Weight:
    0
  • Fmoc-α-methyl-D-4-fluorophenylalanine

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

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Boc-L-β-HomoAsn-OH
    Catalog Number:
    15728
    CAS Number:
    336182-03-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01862840
    Molecular Formula:
    C10H18N2O5
    Molecular Weight:
    246.26
  • (+)-(1R,4S)-4-Aminocyclopent-2-enecarboxylic acid

    Purity:
    ≥ 98%
    Synonym:
    (+)-(1R,4S)-γ-Homocycloleu-2-ene
    Catalog Number:
    15211
    CAS Number:
    134003-04-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00211285
    Molecular Formula:
    C6H9NO2
    Molecular Weight:
    127.14
  • Nα-Fmoc-Nε-7-methoxycoumarin-4-acetyl-L-lysine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-L-Lys(Mca)-OH
    Catalog Number:
    14855
    CAS Number:
    386213-32-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD03791024
    Molecular Formula:
    C33H32N2O8
    Molecular Weight:
    584.63
  • Fmoc-L-Phe(2-trifluoromethyl)-OH

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Fmoc-L-Phe(2-CF3)-OH
    Catalog Number:
    14044
    CAS Number:
    352523-16-1
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01863052
    Molecular Formula:
    C25H20F3NO4
    Molecular Weight:
    455.43
  • Fmoc-N-Me-L-norvaline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-N-Me-L-norvaline
    Catalog Number:
    11191
    CAS Number:
    252049-05-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01861326
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.42
  • Fmoc-D-propraglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-propragyl-Gly-OH
    Catalog Number:
    07424
    CAS Number:
    220497-98-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01311781
    Molecular Formula:
    C20H17NO4
    Molecular Weight:
    335.3
  • Fmoc-2-bromo-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(2-Br)-OH
    Catalog Number:
    07402
    CAS Number:
    220497-47-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01311743
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.3
  • Fmoc-3-(4-thiazolyl)-D-alanine

    Purity:
    ≥ 99% (Assay by titration on dried basis)
    Synonym:
    Fmoc-D-Ala(4-thiazoyl)-OH
    Catalog Number:
    07381
    CAS Number:
    205528-33-2
    Purity Limit:
    ≥ 99% (Assay by titration on dried basis)
    MDL NO:
    MFCD00672569
    Molecular Formula:
    C21H18N2O4S
    Molecular Weight:
    394.45
  • Fmoc-L-cyclopentylglycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Gly(cyclopentyl)-OH
    Catalog Number:
    07264
    CAS Number:
    220497-61-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01311751
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.2
  • Fmoc-O-methyl-D-tyrosine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Tyr(Me)-OH
    Catalog Number:
    06903
    CAS Number:
    201335-88-8
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00237393
    Molecular Formula:
    C25H23NO5
    Molecular Weight:
    417.47
  • O-tert-Butyl-L-allo-threonine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    allo-L-Thr(tBu)-OH
    Catalog Number:
    05845
    CAS Number:
    201353-89-1
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00237373
    Molecular Formula:
    C8H17NO3
    Molecular Weight:
    175.22
  • Fmoc-4-azido-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-azido)-OH
    Catalog Number:
    05752
    CAS Number:
    163217-43-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237665
    Molecular Formula:
    C24H20N4O4
    Molecular Weight:
    428.5
  • Fmoc-4-piperidino-L-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Pro(4-piperidino)-OH
    Catalog Number:
    04998
    CAS Number:
    204318-02-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00273479
    Molecular Formula:
    C25H28N2O4
    Molecular Weight:
    420.51
  • Na-Fmoc-Nb-allyloxycarbonyl-L-2,3-diaminopropionic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-L-Dap(Aloc)-OH
    Catalog Number:
    04973
    CAS Number:
    188970-92-5
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00273468
    Molecular Formula:
    C22H22N2O6
    Molecular Weight:
    410.53
  • Fmoc-2-aminoindane-2-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-Aic-OH
    Catalog Number:
    04958
    CAS Number:
    135944-07-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00800588
    Molecular Formula:
    C25H21NO4
    Molecular Weight:
    399.45
  • L-Azetidine-2-carboxylic acid

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

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

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-Br)-OH
    Catalog Number:
    04090
    CAS Number:
    198561-04-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00273460
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.3
  • Fmoc-p-phenyl-L-Phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Bip(4,4')-OH
    Catalog Number:
    04084
    CAS Number:
    199110-64-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191198
    Molecular Formula:
    C30H25NO4
    Molecular Weight:
    463.52
  • Nα-Fmoc-Nβ-Boc-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Dap(Boc)-OH
    Catalog Number:
    03763
    CAS Number:
    162558-25-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00235896
    Molecular Formula:
    C23H26N2O6
    Molecular Weight:
    426.46
  • Fmoc-L-phenylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Fmoc-L-Phg-OH
    Catalog Number:
    03732
    CAS Number:
    102410-65-1
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00155632
    Molecular Formula:
    C23H19NO4
    Molecular Weight:
    373.4