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Unusual Amino Acids

2217
Filters

  • 2-(R)-Fmoc-amino-3-azidopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Ala(N3)-OH
    Catalog Number:
    30527
    CAS Number:
    1016163-79-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18427301
    Molecular Formula:
    C18H16N4O4
    Molecular Weight:
    352.3
  • (2S,3S)-(Fmoc-amino)-3-allyloxycarbonyl-aminobutyric acid

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Fmoc-L-Abu(3S-Alloc-amino)-OH
    Catalog Number:
    30537
    CAS Number:
    1272754-91-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD07366900
    Molecular Formula:
    C23H24N2O6
    Molecular Weight:
    424.4
  • Fmoc-8-amino-3,6-dioxaoctanoyl-8-amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-AEEA-AEEA
    Catalog Number:
    30525
    CAS Number:
    560088-89-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD09752868
    Molecular Formula:
    C27H34N2O9
    Molecular Weight:
    530.6
  • 8-Amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    [2-(2-Aminoethoxy)ethoxy]acetic acid
    Catalog Number:
    30454
    CAS Number:
    134978-97-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD13185897
    Molecular Formula:
    C6H13NO4
    Molecular Weight:
    163.2
  • 2-(4-Carbamimidoylphenyl)-1H-indole-6-carboxamidine dihydrochloride

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    DAPI dihydrochloride
    Catalog Number:
    29999
    CAS Number:
    28718-90-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00012681
    Molecular Formula:
    C16H15N5·2HCl
    Molecular Weight:
    350.25
  • Spermidine trihydrochloride

    Purity:
    ≥ 99% (Titration)
    Synonym:
    1,8-Diamino-4-azaoctane trihydrochloride
    Catalog Number:
    21808
    CAS Number:
    334-50-9
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00012918
    Molecular Formula:
    C7H19N3·3HCl
    Molecular Weight:
    254.63
  • 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
  • Fmoc-D-nipecotic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Nip-OH
    Catalog Number:
    16101
    CAS Number:
    193693-67-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04112683
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.41
  • Boc-(±)-trans-4-isopropylpyrrolidine-3-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-trans-DL-β-Pro-4-(isopropyl)-OH
    Catalog Number:
    16063
    CAS Number:
    1212348-80-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD06659330
    Molecular Formula:
    C13H23NO4
    Molecular Weight:
    257.33
  • Boc-R)-γ-(4-bromobenzyl)-L-proline

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    15910
    CAS Number:
    959576-28-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06659403
    Molecular Formula:
    C17H22BrNO4
    Molecular Weight:
    384.27
  • Catalog Number:
    15877
    CAS Number:
    1217830-70-0
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD06659377
    Molecular Formula:
    C11H14N2O2·2HCl
    Molecular Weight:
    279.17
  • Boc-(S)-3-amino-3-(2-hydroxyphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-Phe(2-OH)-OH
    Catalog Number:
    15650
    CAS Number:
    499995-78-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427901
    Molecular Formula:
    C14H19NO5
    Molecular Weight:
    281.31
  • Fmoc-(R)-3-amino-3-(3-cyanophenyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Phe(3-CN)-OH
    Catalog Number:
    15593
    CAS Number:
    517905-91-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03428043
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.44
  • 2-Nitro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    L-Phe(2-NO2)-OH
    Catalog Number:
    15234
    CAS Number:
    19883-75-1
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00270360
    Molecular Formula:
    C9H10N2O4
    Molecular Weight:
    210.19
  • (+)-(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
  • Fmoc-3-bromo-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(3-Br)-OH
    Catalog Number:
    15120
    CAS Number:
    220497-48-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01311744
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.3
  • Fmoc-3-chloro-L-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-m-chloro-L-Tyr-OH
    Catalog Number:
    15121
    CAS Number:
    478183-58-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02682261
    Molecular Formula:
    C24H20ClNO5
    Molecular Weight:
    437.88
  • 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-S-trityl-D-homocysteine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Homocys(Trt)-OH
    Catalog Number:
    14497
    CAS Number:
    1007840-62-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD05663440
    Molecular Formula:
    C38H33NO4S
    Molecular Weight:
    599.74
  • Fmoc-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-homoarginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-HomoArg(Pbf)-OH
    Catalog Number:
    14077
    CAS Number:
    1159680-21-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03093571
    Molecular Formula:
    C35H42N4O7S
    Molecular Weight:
    662.8
  • Fmoc-3-methyl-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(3-Me)-OH
    Catalog Number:
    12842
    CAS Number:
    211637-74-0
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01863050
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
  • L-2-Cyclohexylglycine methyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Chg-OMe·HCl
    Catalog Number:
    12003
    CAS Number:
    14328-63-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00797545
    Molecular Formula:
    C9H17NO2·HCl
    Molecular Weight:
    207.74
  • Fmoc-L-β-homoleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-HomoLeu-OH
    Catalog Number:
    12770
    CAS Number:
    193887-44-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01863059
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.45
  • Fmoc-O-tert-butyl-L-β-homothreonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-HomoThr(tBu)-OH
    Catalog Number:
    12766
    CAS Number:
    353245-99-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01863057
    Molecular Formula:
    C24H29NO5
    Molecular Weight:
    411.5
  • Fmoc-L-β-homoproline

    Purity:
    ≥ 95%
    Synonym:
    Fmoc-L-β-HomoPro-OH
    Catalog Number:
    12763
    CAS Number:
    193693-60-6
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD01863058
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
  • Nα-Fmoc-Nβ-4-methyltrityl-L-2,3-diaminopropionic acid

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

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-HomoSer(Me)-OH
    Catalog Number:
    11963
    CAS Number:
    173212-86-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00270543
    Molecular Formula:
    C20H21NO5
    Molecular Weight:
    355.39
  • trans-4-Fluoro-L-proline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    trans-4-Fluoro-L-Pro-OH
    Catalog Number:
    11435
    CAS Number:
    2507-61-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD02683982
    Molecular Formula:
    C5H8FNO2
    Molecular Weight:
    133.12
  • cis-4-Fluoro-L-proline

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

    Purity:
    ≥ 98% (Assay)
    Synonym:
    L-Phe(2-CN)-OH
    Catalog Number:
    07436
    CAS Number:
    263396-42-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01860884
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2
  • 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
  • 3-Trifluoromethyl-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(3-CF3)-OH
    Catalog Number:
    07382
    CAS Number:
    14464-68-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00044945
    Molecular Formula:
    C10H10F3NO2
    Molecular Weight:
    233.19
  • Catalog Number:
    07319
    CAS Number:
    77716-16-6
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD02179633
    Molecular Formula:
    C17H19N5O4
    Molecular Weight:
    357.36
  • Fmoc-allyl-L-glycine

    Purity:
    ≥ 99% (HPLC, Chiral HPLC)
    Synonym:
    Fmoc-L-Gly(allyl)-OH
    Catalog Number:
    07307
    CAS Number:
    146549-21-5
    Purity Limit:
    ≥ 99% (HPLC, Chiral HPLC)
    MDL NO:
    MFCD01311749
    Molecular Formula:
    C20H19NO4
    Molecular Weight:
    337.37
  • Catalog Number:
    07105
    CAS Number:
    607366-20-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01631659
    Molecular Formula:
    C31H36N2O6
    Molecular Weight:
    532.5
  • Fmoc-4-tert-butyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-tBu)-OH
    Catalog Number:
    07050
    CAS Number:
    213383-02-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02094466
    Molecular Formula:
    C28H29NO4
    Molecular Weight:
    443.56
  • 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
  • N-1-Trityl-deamino-histidine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3-(N-1-Trityl-imidazol-4-yl)propionic acid
    Catalog Number:
    06333
    CAS Number:
    160446-35-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00237290
    Molecular Formula:
    C25H22N2O2
    Molecular Weight:
    382.48
  • Catalog Number:
    06316
    CAS Number:
    140430-54-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00798650
    Molecular Formula:
    C24H20N4O8
    Molecular Weight:
    492.51
  • O-Methyl-L-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Tyr(Me)-OH
    Catalog Number:
    06251
    CAS Number:
    6230-11-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002604
    Molecular Formula:
    C10H13NO3
    Molecular Weight:
    195.22
  • β-Chloro-D-alanine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    b-Chloro-D-Ala-OH
    Catalog Number:
    06229
    CAS Number:
    51887-88-8
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD01632068
    Molecular Formula:
    C3H6NO2Cl
    Molecular Weight:
    123.54
  • 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-L-α-aminoadipic acid δ-tert-butyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Aad(OtBu)-OH
    Catalog Number:
    05726
    CAS Number:
    159751-47-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237006
    Molecular Formula:
    C25H29NO6
    Molecular Weight:
    439.4
  • Boc-D-glutamic acid α-amide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Glu-NH2
    Catalog Number:
    05503
    CAS Number:
    55297-72-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00056702
    Molecular Formula:
    C10H18N2O5
    Molecular Weight:
    246.26
  • 3-Chloro-L-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    m-Chloro-L-Tyr-OH
    Catalog Number:
    05231
    CAS Number:
    7423-93-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00045865
    Molecular Formula:
    C9H10NO3Cl
    Molecular Weight:
    215.69
  • Fmoc-L-homotyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-homotyrosine
    Catalog Number:
    05128
    CAS Number:
    198560-10-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00235904
    Molecular Formula:
    C25H23NO5
    Molecular Weight:
    416.7
  • Fmoc-α,β-dehydro-2-aminobutyric acid

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    Fmoc-α,β-dehydro-2-Abu-OH
    Catalog Number:
    05107
    CAS Number:
    198545-98-1
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00235893
    Molecular Formula:
    C19H17NO4
    Molecular Weight:
    323.2
  • Fmoc-(3R)-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Tic(OH)-OH
    Catalog Number:
    05011
    CAS Number:
    178432-50-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00792390
    Molecular Formula:
    C25H21NO5
    Molecular Weight:
    415.4
  • Fmoc-4-carboxymethyl-piperazine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Cmpi-OH
    Catalog Number:
    04960
    CAS Number:
    180576-05-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270202
    Molecular Formula:
    C21H22N2O4
    Molecular Weight:
    366.42
  • (2S,4R)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-ABPC(2S,4R)-OH
    Catalog Number:
    04941
    CAS Number:
    176486-63-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00673783
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.51