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Unusual Amino Acids

2217
Filters

  • Fmoc-3-cyano-L-phenylalanine

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    Fmoc-L-Phe(3-CN)-OH
    Catalog Number:
    04108
    CAS Number:
    205526-36-9
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00797585
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.4
  • Fmoc-3-chloro-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(3-Cl)-OH
    Catalog Number:
    04102
    CAS Number:
    198560-44-0
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00672548
    Molecular Formula:
    C24H20ClNO4
    Molecular Weight:
    421.9
  • 3-Cyano-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Phe(3-CN)-OH
    Catalog Number:
    04104
    CAS Number:
    57213-48-6, 144799-02-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01860885
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2
  • Fmoc-3-benzothienyl-D-alanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-3-D-Ala(3-benzothienyl)-OH
    Catalog Number:
    04079
    CAS Number:
    177966-61-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00672563
    Molecular Formula:
    C26H21NO4S
    Molecular Weight:
    443.5
  • Fmoc-L-α-aminoadipic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Aad-OH
    Catalog Number:
    04068
    CAS Number:
    250384-77-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01631983
    Molecular Formula:
    C21H21NO6
    Molecular Weight:
    383.4
  • Boc-L-citrulline 4-nitrophenyl ester

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-L-Cit-ONp
    Catalog Number:
    03963
    CAS Number:
    56612-88-5
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00076998
    Molecular Formula:
    C17H24N4O7
    Molecular Weight:
    396.41
  • Fmoc-O-dimethylphospho-L-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Tyr(PO3Me2)-OH
    Catalog Number:
    03939
    CAS Number:
    127633-36-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00133599
    Molecular Formula:
    C26H26NO8P
    Molecular Weight:
    511.47
  • Boc-α-aminoisobutyric acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Aib-OSu
    Catalog Number:
    03942
    CAS Number:
    104055-39-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672711
    Molecular Formula:
    C13H20N2O6
    Molecular Weight:
    300.3
  • Fmoc-4-iodo-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-I)-OH
    Catalog Number:
    03923
    CAS Number:
    82565-68-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672340
    Molecular Formula:
    C24H20INO4
    Molecular Weight:
    513.4
  • Fmoc-γ-carboxy γ-(di-tert-butyl ester)-D-glutamic acid

    Purity:
    98+%
    Synonym:
    Fmoc-D-Gla(OtBu)2-OH
    Catalog Number:
    03917
    CAS Number:
    111662-65-8
    Purity Limit:
    98+%
    MDL NO:
    MFCD00672341
    Molecular Formula:
    C29H35NO8
    Molecular Weight:
    525.6
  • Fmoc-3,5-dibromo-L-tyrosine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Fmoc-3,5-dibromo-L-Tyr-OH
    Catalog Number:
    03912
    CAS Number:
    201484-26-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00065686
    Molecular Formula:
    C24H19Br2NO5
    Molecular Weight:
    561.2
  • Boc-3-(9-anthryl)-L-alanine

    Purity:
    99%
    Synonym:
    Boc-3-L-Ala(9-anthryl)-OH
    Catalog Number:
    03824
    CAS Number:
    332065-09-5
    Purity Limit:
    99%
    MDL NO:
    MFCD00671378
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.42
  • Boc-L-trans-4-hydroxyproline

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Boc-L-Hyp-OH
    Catalog Number:
    03777
    CAS Number:
    13726-69-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00053370
    Molecular Formula:
    C10H17NO5
    Molecular Weight:
    231.3
  • Fmoc-O-benzylphospho-L-serine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Ser(HPO3Bzl)-OH
    Catalog Number:
    03734
    CAS Number:
    158171-14-3 
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00797869
    Molecular Formula:
    C25H24NO8P
    Molecular Weight:
    497.4
  • Fmoc-D-phenylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Phg-OH
    Catalog Number:
    03733
    CAS Number:
    111524-95-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00190891
    Molecular Formula:
    C23H19NO4
    Molecular Weight:
    373.4
  • Fmoc-D-norvaline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Nva-OH
    Catalog Number:
    03727
    CAS Number:
    144701-24-6
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00155640
    Molecular Formula:
    C20H21NO4
    Molecular Weight:
    339.4
  • Catalog Number:
    03703
    CAS Number:
    210830-03-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01631975
    Molecular Formula:
    C28H30N2O6
    Molecular Weight:
    490.5
  • Nα-Fmoc-Nβ-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-2,3-diaminopropionic acid

    Purity:
    98 - 101% (Assay by titration)
    Synonym:
    Fmoc-L-Dap(Dde)-OH
    Catalog Number:
    03702
    CAS Number:
    247127-51-1
    Purity Limit:
    98 - 101% (Assay by titration)
    MDL NO:
    MFCD01631974
    Molecular Formula:
    C28H30N2O6
    Molecular Weight:
    490.5
  • Boc-(3R)-1,2,3,4-tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-7-hydroxy-D-Tic-OH
    Catalog Number:
    03574
    CAS Number:
    214630-00-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00792389
    Molecular Formula:
    C15H19NO5
    Molecular Weight:
    293.3
  • Fmoc-L-citrulline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Cit-OH
    Catalog Number:
    03502
    CAS Number:
    133174-15-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151943
    Molecular Formula:
    C21H23N3O5
    Molecular Weight:
    397.4
  • Cycloleucine

    Hazmat
    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    1-Aminocyclopentane-1-carboxylic acid
    Hazmat
    Catalog Number:
    03534
    CAS Number:
    52-52-8
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00001381
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.2
  • L-Norleucine methyl ester hydrochloride

    Purity:
    ≥ 99%
    Synonym:
    L-Nle-OMe·HCl
    Catalog Number:
    03405
    CAS Number:
    3844-54-0
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00077151
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.7
  • 4-Nitro-D-phenylalanine monohydrate

    Purity:
    ≥ 99.5% (HPLC, Chiral purity)
    Synonym:
    D-Phe(4-NO2)-OH·H2O
    Catalog Number:
    03403
    CAS Number:
    56613-61-7
    Purity Limit:
    ≥ 99.5% (HPLC, Chiral purity)
    MDL NO:
    MFCD00150962
    Molecular Formula:
    C9H10N2O4·H2O
    Molecular Weight:
    228.2
  • β-Cyano-L-alanine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    β-Cyano-L-Ala-OH
    Catalog Number:
    03323
    CAS Number:
    6232-19-5
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00021722
    Molecular Formula:
    C4H6N2O2
    Molecular Weight:
    114.1
  • DL-α-Aminoadipic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    DL-Aad-OH
    Catalog Number:
    03290
    CAS Number:
    542-32-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00063119
    Molecular Formula:
    C6H11NO4
    Molecular Weight:
    161.2
  • L-Phenylglycine tert-butyl ester hydrochloride

    Purity:
    ≥ 99.5% (HPLC, Chiral purity)
    Synonym:
    L-Phg-OtBu·HCl
    Catalog Number:
    03126
    CAS Number:
    161879-12-5
    Purity Limit:
    ≥ 99.5% (HPLC, Chiral purity)
    MDL NO:
    MFCD00153456
    Molecular Formula:
    C12H17NO2·HCl
    Molecular Weight:
    243.73
  • 3-(2-Naphthyl)-L-alanine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Ala(2-naphthyl)-OH
    Catalog Number:
    02852
    CAS Number:
    58438-03-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00066087
    Molecular Formula:
    C13H13NO2
    Molecular Weight:
    215.3
  • Boc-L-thiaproline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Thz-OH
    Catalog Number:
    02735
    CAS Number:
    51077-16-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077002
    Molecular Formula:
    C9H15NO4S
    Molecular Weight:
    233.3
  • Boc-D-thiaproline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Thz-OH
    Catalog Number:
    02734
    CAS Number:
    63091-82-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077001
    Molecular Formula:
    C9H15NO4S
    Molecular Weight:
    233.3
  • Boc-L-citrulline

    Purity:
    ≥ 89% (Assay by titration)
    Synonym:
    Boc-L-Cit-OH
    Catalog Number:
    02699
    CAS Number:
    45234-13-7
    Purity Limit:
    ≥ 89% (Assay by titration)
    MDL NO:
    MFCD00080271
    Molecular Formula:
    C11H21N3O5
    Molecular Weight:
    275.3
  • Fmoc-3-(3'-pyridyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Ala(3'-pyridyl)-OH
    Catalog Number:
    02687
    CAS Number:
    142994-45-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00080267
    Molecular Formula:
    C23H20N2O4
    Molecular Weight:
    388.4
  • Boc-(3S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Tic-OH
    Catalog Number:
    02599
    CAS Number:
    78879-20-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00143845
    Molecular Formula:
    C15H19NO4
    Molecular Weight:
    277.3
  • Fmoc-3-(1-naphthyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Ala(1-naphthyl)-OH
    Catalog Number:
    02584
    CAS Number:
    96402-49-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151914
    Molecular Formula:
    C28H23NO4
    Molecular Weight:
    437.5
  • Fmoc-D-homophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-HomoPhe-OH
    Catalog Number:
    02580
    CAS Number:
    135944-09-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151917
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.45
  • Boc-4-fluoro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-F)-OH
    Catalog Number:
    02573
    CAS Number:
    41153-30-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079672
    Molecular Formula:
    C14H18FNO4
    Molecular Weight:
    283.2
  • 3,4-Dehydro-L-proline

    Purity:
    ≥ 99%
    Synonym:
    3,4-Dehydro-L-Pro-OH
    Catalog Number:
    02563
    CAS Number:
    4043-88-3
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00065964
    Molecular Formula:
    C5H7NO2
    Molecular Weight:
    113.1
  • Boc-4-chloro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-Cl)-OH
    Catalog Number:
    02566
    CAS Number:
    68090-88-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00057808
    Molecular Formula:
    C14H18ClNO4
    Molecular Weight:
    299.8
  • 3,4-Dehydro-L-proline methyl ester hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    3,4-Dehydro-L-Pro-OMe·HCl
    Catalog Number:
    02564
    CAS Number:
    186145-08-4
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00038999
    Molecular Formula:
    C6H9NO2·HCl
    Molecular Weight:
    163.6
  • 6-Aminohexanoic acid

    Grade:
    USP
    Purity:
    98.5 - 101.5% (Assay on anhydrous basis)
    Synonym:
    6-Aminocaproic acid
    Catalog Number:
    02556
    Grade:
    USP
    CAS Number:
    60-32-2
    Purity Limit:
    98.5 - 101.5% (Assay on anhydrous basis)
    MDL NO:
    MFCD00008238
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.2
  • 2-Amino-2-thiazoline-4-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-4-thiazolinic acid
    Catalog Number:
    02557
    CAS Number:
    2150-55-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00010067
    Molecular Formula:
    C4H6N2O2S
    Molecular Weight:
    146.2
  • Z-sarcosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-Sar-OH
    Catalog Number:
    02247
    CAS Number:
    39608-31-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00021747
    Molecular Formula:
    C11H13NO4
    Molecular Weight:
    223.33
  • Boc-O-methyl-L-tyrosine

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

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Sar-OH
    Catalog Number:
    01378
    CAS Number:
    13734-36-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037795
    Molecular Formula:
    C8H15NO4
    Molecular Weight:
    189.21
  • Boc-L-norleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Nle-OH
    Catalog Number:
    01370
    CAS Number:
    6404-28-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037270
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.31
  • Boc-6-aminohexanoic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-6-aminocaproic acid
    Catalog Number:
    01327
    CAS Number:
    6404-29-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00037798
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.3
  • Boc-β-cyclohexyl-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Cha-OH
    Catalog Number:
    01324
    CAS Number:
    37736-82-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076896
    Molecular Formula:
    C14H25NO4
    Molecular Weight:
    271.2
  • L-Norleucine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Nle-OH
    Catalog Number:
    00353
    CAS Number:
    327-57-1
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00064423
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.18
  • Catalog Number:
    47713
    CAS Number:
    2389078-71-9
    Purity Limit:
    ≥ 99% (HPLC)
    Molecular Formula:
    C31H36N2O6
    Molecular Weight:
    532.6
  • Na-Fmoc-Ng-Boc-Ng-methyl-L-2,4-diaminobutanoic acid

    Purity:
    ≥ 99.7% (Chiral HPLC)
    Synonym:
    Fmoc-L-Dab(Boc,Me)-OH
    Catalog Number:
    47703
    CAS Number:
    446847-81-0
    Purity Limit:
    ≥ 99.7% (Chiral HPLC)
    MDL NO:
    MFCD32666077
    Molecular Formula:
    C25H30N2O6
    Molecular Weight:
    454.5
  • Na-Fmoc-Nb-Alloc-Nb-methyl-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Dap(Aloc,Me)-OH
    Catalog Number:
    47702
    CAS Number:
    2389078-45-7
    Purity Limit:
    ≥ 98% (HPLC)
    Molecular Formula:
    C23H24N2O6
    Molecular Weight:
    424.5