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Unusual Amino Acids

2217
Filters

  • (2R,4R)-Fmoc-4-amino-1-Boc-pyrrolidine-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    29661
    CAS Number:
    1018332-24-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD11519437
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.51
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • (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
    Specification Sheet SDS

  • O-Ethylhydroxylamine hydrochloride

    Purity:
    ≥ 99%
    Catalog Number:
    27342
    CAS Number:
    3332-29-4
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00012956
    Molecular Formula:
    C2H7NO·HCl
    Molecular Weight:
    97.54
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 7-Bromo-1,2,3,4-tetrahydroisoquinoline-1-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    19242
    CAS Number:
    1260640-00-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD06739171
    Molecular Formula:
    C10H10BrNO2
    Molecular Weight:
    256.1
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • 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
    Specification Sheet SDS

  • Boc-α-methyl-D-4-Fluorophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-α-Me-D-Phe(4-F)-OH
    Catalog Number:
    16736
    CAS Number:
    889113-64-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08458687
    Molecular Formula:
    C15H20FNO4
    Molecular Weight:
    297.32
    Specification Sheet SDS

  • Z-O-tert-butyl-D-allo-threonine cyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-allo-Thr(tBu)-OH·DCHA
    Catalog Number:
    16466
    CAS Number:
    100157-55-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08458676
    Molecular Formula:
    C16H23NO5·C12H23N
    Molecular Weight:
    490.68
    Specification Sheet SDS

  • Nα-Fmoc-6-hydroxynorleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Nle(6-OH)-OH
    Catalog Number:
    16199
    CAS Number:
    374899-60-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04973185
    Molecular Formula:
    C21H23NO5
    Molecular Weight:
    369.4
    Specification Sheet SDS

  • Nα-Fmoc-Nβ-4-methyltrityl-D-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Dap(Mtt)-OH
    Catalog Number:
    16190
    CAS Number:
    1263046-35-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06796892
    Molecular Formula:
    C38H34N2O4
    Molecular Weight:
    582.7
    Specification Sheet SDS

  • Fmoc-cis-2-aminocyclohexanecarboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-1,2-cis-ACHC-OH
    Catalog Number:
    16171
    CAS Number:
    194471-85-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02682625
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.4
    Specification Sheet SDS

  • 2-(4-Boc-piperazinyl)-2-(3-chlorophenyl)acetic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    α-(4-Boc-piperazinyl)-α-(3-chlorophenyl)acetic acid
    Catalog Number:
    16067
    CAS Number:
    885272-99-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659336
    Molecular Formula:
    C17H23ClN2O4
    Molecular Weight:
    354.83
    Specification Sheet SDS

  • (±-trans-4-(2-Trifluoromethylphenyl)pyrrolidine-3-carboxylic acid hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    trans-DL-b-Pro-4-(2-trifluoromethylphenyl)-OH·HCl
    Catalog Number:
    16020
    CAS Number:
    1049978-59-7
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06804651
    Molecular Formula:
    C12H13ClF3NO2
    Molecular Weight:
    295.69
    Specification Sheet SDS

  • Boc-(±)-trans-4-(4-methylphenyl)pyrrolidine-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-trans-DL-β-Pro-4-(4-methylphenyl)-OH
    Catalog Number:
    16005
    CAS Number:
    959577-53-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659273
    Molecular Formula:
    C17H23NO4
    Molecular Weight:
    305.37
    Specification Sheet SDS

  • (R)-γ-(3-Pyridinylmethyl)-L-proline·2HCl

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    15973
    CAS Number:
    1049754-12-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06795540
    Molecular Formula:
    C11H14N2O2·2HCl
    Molecular Weight:
    279.17
    Specification Sheet SDS

  • Boc-(R)-γ-(4-pyridinylmethyl)-L-proline

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    15976
    CAS Number:
    959581-01-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06659248
    Molecular Formula:
    C16H22N2O4
    Molecular Weight:
    306.36
    Specification Sheet SDS

  • Boc-R)-γ-(2,4-dichlorobenzyl)-L-proline

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    15928
    CAS Number:
    959582-83-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659420
    Molecular Formula:
    C17H21Cl2NO4
    Molecular Weight:
    374.26
    Specification Sheet SDS

  • (R)-γ-(3-Nitrobenzyl)-L-proline·HCl

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    15919
    CAS Number:
    1049740-11-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06659412
    Molecular Formula:
    C12H14N2O4·HCl
    Molecular Weight:
    286.71
    Specification Sheet SDS

  • (R)-γ-(4-Methylbenzyl)-L-proline·HCl

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    15915
    CAS Number:
    1049734-62-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06659408
    Molecular Formula:
    C13H17NO2·HCl
    Molecular Weight:
    255.74
    Specification Sheet SDS

  • (S)-α-(4-Trifluoromethylbenzyl)proline·HCl

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    15809
    CAS Number:
    1217861-80-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06796803
    Molecular Formula:
    C13H14F3NO2·HCl
    Molecular Weight:
    309.72
    Specification Sheet SDS

  • (S)-α-(4-Biphenylmethyl)proline·HCl

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    15845
    CAS Number:
    1217722-65-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06659218
    Molecular Formula:
    C18H19NO2·HCl
    Molecular Weight:
    317.81
    Specification Sheet SDS

  • Fmoc-L-2-amino-5-phenylpentanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Nva(5-phenyl)-OH
    Catalog Number:
    15723
    CAS Number:
    959578-11-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06202350
    Molecular Formula:
    C26H25NO4
    Molecular Weight:
    415.49
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3'-pyridyl)propionic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-β-Ala-(3'-pyridyl)-OH
    Catalog Number:
    15694
    CAS Number:
    507472-06-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD03427986
    Molecular Formula:
    C23H20N2O4
    Molecular Weight:
    388.42
    Specification Sheet SDS

  • Fmoc-(R)-3-amino-3-(3-pyridyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-(R)-3-amino-3-(3-pyridyl)propionic acid
    Catalog Number:
    15693
    CAS Number:
    511272-43-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03428024
    Molecular Formula:
    C23H20N2O4
    Molecular Weight:
    388.42
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3,5-dimethoxyphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-Phe(3,5-dimethoxy)-OH
    Catalog Number:
    15691
    CAS Number:
    501015-38-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427984
    Molecular Formula:
    C26H25NO6
    Molecular Weight:
    447.49
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(3-hydroxyphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-Phe(3-OH)-OH
    Catalog Number:
    15658
    CAS Number:
    501015-32-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427978
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.43
    Specification Sheet SDS

  • Boc-(S)-3-amino-3-(4-hydroxyphenyl)propionic acid

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    Boc-L-β-Phe(4-OH)-OH
    Catalog Number:
    15659
    CAS Number:
    499995-80-1
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD03427903
    Molecular Formula:
    C14H19NO5
    Molecular Weight:
    281.31
    Specification Sheet SDS

  • Fmoc-(R)-3-amino-3-(2-hydroxyphenyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Phe(2-OH)-OH
    Catalog Number:
    15651
    CAS Number:
    511272-34-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03428015
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.43
    Specification Sheet SDS

  • Boc-(S)-3-amino-3-(2-trifluoromethylphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-b-Phe(2-CF3)-OH
    Catalog Number:
    15574
    CAS Number:
    500770-77-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427925
    Molecular Formula:
    C15H18F3NO4
    Molecular Weight:
    333.31
    Specification Sheet SDS

  • (S)-3-Amino-3-(3-trifluoromethylphenyl)propionic acid

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-β-Phe(3-CF3)-OH
    Catalog Number:
    15578
    CAS Number:
    719995-40-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD04113696
    Molecular Formula:
    C10H10F3NO2
    Molecular Weight:
    233.19
    Specification Sheet SDS

  • (S)-3-Amino-3-(2-trifluoromethylphenyl)propionic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-β-Phe(2-CF3)-OH
    Catalog Number:
    15572
    CAS Number:
    755749-11-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD04113683
    Molecular Formula:
    C10H10F3NO2
    Molecular Weight:
    233.19
    Specification Sheet SDS

  • 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
    SDS

  • Fmoc-(S)-3-amino-3-(2-chlorophenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-b-Phe(2-Cl)-OH
    Catalog Number:
    15554
    CAS Number:
    507472-15-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427996
    Molecular Formula:
    C24H20ClNO4
    Molecular Weight:
    421.88
    Specification Sheet SDS

  • Fmoc-2,4-dichloro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Phe(2,4-DiCl)-OH
    Catalog Number:
    15495
    CAS Number:
    352351-62-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01863048
    Molecular Formula:
    C24H19Cl2NO4
    Molecular Weight:
    456.32
    Specification Sheet SDS

  • (S)-a-(2-Naphthalenylmethyl)proline·HCl

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    15471
    CAS Number:
    679796-43-1
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD06659188
    Molecular Formula:
    C16H17NO2·HCl
    Molecular Weight:
    291.78
    Specification Sheet SDS

  • Fmoc-(R)-3-amino-3-(4-fluorophenyl)propionic acid

    Purity:
    ≥ 99% (Chiral Purity)
    Synonym:
    Fmoc-D-β-Phe(4-F)-OH
    Catalog Number:
    15450
    CAS Number:
    479064-95-4
    Purity Limit:
    ≥ 99% (Chiral Purity)
    MDL NO:
    MFCD03428033
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.42
    Specification Sheet SDS

  • Fmoc-(S)-3-amino-3-(4-chlorophenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-Phe(4-Cl)-OH
    Catalog Number:
    15446
    CAS Number:
    479064-91-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427998
    Molecular Formula:
    C24H20ClNO4
    Molecular Weight:
    421.88
    Specification Sheet SDS

  • Fmoc-Nγ-trityl-L-β-homoasparagine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-β-HomoAsn(Trt)-OH
    Catalog Number:
    15432
    CAS Number:
    283160-20-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03427579
    Molecular Formula:
    C39H34N2O5
    Molecular Weight:
    610.71
    Specification Sheet SDS

  • Fmoc-4-bromo-L-β-homophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-HomoPhe(4-Br)-OH
    Catalog Number:
    15335
    CAS Number:
    270062-86-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01861016
    Molecular Formula:
    C25H22BrNO4
    Molecular Weight:
    480.36
    Specification Sheet SDS

  • Boc-(±)-trans-4-(2-pyridinyl)pyrrolidine-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-trans-DL-β-Pro-4-(2-pyridinyl)-OH
    Catalog Number:
    15265
    CAS Number:
    267876-09-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06659317
    Molecular Formula:
    C15H20N2O4
    Molecular Weight:
    292.33
    Specification Sheet SDS

  • 3-Nitro-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Phe(3-NO2)-OH
    Catalog Number:
    15233
    CAS Number:
    19883-74-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01860661
    Molecular Formula:
    C9H10N2O4
    Molecular Weight:
    210.19
    Specification Sheet SDS

  • D-β-Homoserine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-β-HomoSer-OH
    Catalog Number:
    15222
    CAS Number:
    16504-57-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270241
    Molecular Formula:
    C4H9NO3
    Molecular Weight:
    119.12
    Specification Sheet SDS

  • (+)-(1R,4S)-N-Boc-4-aminocyclopent-2-enecarboxylic acid

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