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Unusual Amino Acids

2217
Filters

  • D-Homoleucine hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    D-HomoLeu-OH·HCl
    Catalog Number:
    14266
    CAS Number:
    1369531-51-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD22586421
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.66
  • Boc-(2R,3R)-3-amino-2-hydroxy-4-phenylbutyric acid

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    Boc-(2R,3R-Apns-OH
    Catalog Number:
    14123
    CAS Number:
    77171-41-6
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00214254
    Molecular Formula:
    C15H21NO5
    Molecular Weight:
    295.34
  • Boc-2-aminoethylbromide

    Purity:
    ≥ 99% (GC)
    Synonym:
    Boc-1-amino-2-bromoethane
    Catalog Number:
    14129
    CAS Number:
    39684-80-5
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD02683428
    Molecular Formula:
    C7H14NO2Br
    Molecular Weight:
    224.09
  • (+/-)-Boc-α-phosphonoglycine trimethyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Gly(PO(OCH3)2)-OCH3
    Catalog Number:
    14126
    CAS Number:
    89524-98-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02178893
    Molecular Formula:
    C10H20NO7P
    Molecular Weight:
    297.24
  • (+/-)-Z-α-phosphonoglycine trimethyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (+/-)-Methyl 2-benzyloxycarbonylamino-2-(dimethoxyphosphinyl)acetate
    Catalog Number:
    14125
    CAS Number:
    88568-95-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00043304
    Molecular Formula:
    C13H18NO7P
    Molecular Weight:
    331.27
  • L-Pyroglutamic acid ethyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Pyr-OEt
    Catalog Number:
    14022
    CAS Number:
    7149-65-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00064497
    Molecular Formula:
    C7H11NO3
    Molecular Weight:
    157.1
  • Boc-cycloleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-1-aminocyclopentane-1-carboxylic acid
    Catalog Number:
    14047
    CAS Number:
    35264-09-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01076126
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.28
  • Acetyl-DL-cyclopentylglycine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Ac-DL-Gly(cyclopentyl)-OH
    Catalog Number:
    14086
    CAS Number:
    2521-83-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD06796733
    Molecular Formula:
    C9H15NO3
    Molecular Weight:
    185.21
  • Boc-4-nitro-L-phenylalanine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-NO2)-OH·DCHA
    Catalog Number:
    14070
    CAS Number:
    102185-42-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00069882
    Molecular Formula:
    C14H18N2O6·C12H23N
    Molecular Weight:
    491.5
  • α-Methyl-L-valine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    α-Me-L-Val-OH
    Catalog Number:
    14069
    CAS Number:
    53940-83-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD01318764
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.17
  • Nα-Boc-5-hydroxy-L-tryptophan

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-L-Trp(5-OH)-OH
    Catalog Number:
    14066
    CAS Number:
    119768-45-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00270732
    Molecular Formula:
    C16H20N2O5
    Molecular Weight:
    320.31
  • 3-Amino-1-carboxymethyl-pyridin-2-one·TFA

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Acpo-OH·TFA
    Catalog Number:
    14051
    CAS Number:
    1373519-47-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03788184
    Molecular Formula:
    C7H8N2O3·C2HF3O2
    Molecular Weight:
    282.17
  • Nα-Fmoc-D-2,3-diaminopropionic acid hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Dap-OH·HCl
    Catalog Number:
    14061
    CAS Number:
    487027-89-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788624
    Molecular Formula:
    C18H18N2O4·HCl
    Molecular Weight:
    362.84
  • Z-L-tert-butyl-glycine dicyclohexylamine salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Tle-OH·DCHA
    Catalog Number:
    14015
    CAS Number:
    62965-37-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00161480
    Molecular Formula:
    C14H19NO4·C12H23N
    Molecular Weight:
    446.63
  • Boc-L-Phe(2-trifluoromethyl)-OH

    Purity:
    ≥ 99% (ee)
    Synonym:
    Boc-L-Phe(2-CF3)-OH
    Catalog Number:
    14042
    CAS Number:
    167993-21-7
    Purity Limit:
    ≥ 99% (ee)
    MDL NO:
    MFCD01862946
    Molecular Formula:
    C15H18F3NO4
    Molecular Weight:
    333.31
  • β-Cyclopentyl-D-alanine

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    D-β-Cyclopentyl-Ala-OH
    Catalog Number:
    14037
    CAS Number:
    99295-81-5
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD03788182
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.09
  • β-Cyclohexyl-L-alanine amide hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Cha-NH2·HCl
    Catalog Number:
    14039
    CAS Number:
    145232-34-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD21606314
    Molecular Formula:
    C9H18N2O·HCl
    Molecular Weight:
    206.7
  • Catalog Number:
    14025
    CAS Number:
    218278-58-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01076217
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.5
  • 4-Fmoc-piperazine-2-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-Fmoc-Piz-2-carboxylic acid
    Catalog Number:
    12973
    CAS Number:
    219312-90-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD01076312
    Molecular Formula:
    C20H22N2O4
    Molecular Weight:
    352.39
  • β-Glutamic acid hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Λ-Glu-OH·HCl
    Catalog Number:
    12949
    CAS Number:
    336182-10-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862859
    Molecular Formula:
    C5H9NO4·HCl
    Molecular Weight:
    183.59
  • N,N'-Di-Z-diethylenetriamine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Dibenzyl 2,2'-iminobis(ethylcarbamate)
    Catalog Number:
    12907
    CAS Number:
    160256-75-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01863761
    Molecular Formula:
    C20H25N3O4
    Molecular Weight:
    371.44
  • Boc-diethanolamine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    tert-Butyl N,N-bis2-hydroxyethyl)carbamate
    Catalog Number:
    12904
    CAS Number:
    103898-11-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01862953
    Molecular Formula:
    C9H19NO4
    Molecular Weight:
    205.25
  • Boc-N-methylethylenediamine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    tert-Butyl N-(2-aminoethyl)-N-methylcarbamate
    Hazmat
    Catalog Number:
    12903
    CAS Number:
    121492-06-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01317789
    Molecular Formula:
    C8H18N2O2
    Molecular Weight:
    174.24
  • Boc-D-β-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-D-β-Phe-OH
    Catalog Number:
    12892
    CAS Number:
    103365-47-5
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01860892
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.31
  • Boc-L-β-glutamic acid 5-benzyl ester

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-L-β-Glu(OBzl)-OH
    Catalog Number:
    12890
    CAS Number:
    254101-10-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01862861
    Molecular Formula:
    C17H23NO6
    Molecular Weight:
    337.37
  • (-)-(1S,4R)-N-Fmoc-4-aminocyclopent-2-enecarboxylic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    (-)-(1S,4R)-N-Fmoc-γ-homocycloleu-2-ene
    Catalog Number:
    12900
    CAS Number:
    220497-64-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01311755
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.39
  • (1R,4S)-(+)-4-(Fmoc-amino)-2-cyclopentene-1-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (+)-(1R,4S)-N-Fmoc-4-aminocyclopent-2-enecarboxylic acid
    Catalog Number:
    12901
    CAS Number:
    220497-65-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01311756
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.39
  • Boc-L-β-leucine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-β-L-Leu-OH
    Catalog Number:
    12889
    CAS Number:
    183990-64-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01076232
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
  • Boc-L-β-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-Phe-OH
    Catalog Number:
    12888
    CAS Number:
    161024-80-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01320859
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.31
  • Boc-3-methyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(3-Me)-OH
    Catalog Number:
    12860
    CAS Number:
    114873-14-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862943
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
  • Boc-2-methyl-D-phenylalanine

    Purity:
    > 98%
    Synonym:
    Boc-2-methyl-D-phenylalanine
    Catalog Number:
    12861
    CAS Number:
    80102-29-0
    Purity Limit:
    > 98%
    MDL NO:
    MFCD00671403
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
  • Boc-2-cyano-L-phenylalanine

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    Boc-L-Phe(2-CN)-OH
    Catalog Number:
    12858
    CAS Number:
    216312-53-7
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD01860623
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
  • Boc-β-cyclohexyl-L-alanine methyl ester

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Boc-β-cyclohexyl-L-alanine methyl ester
    Catalog Number:
    12864
    CAS Number:
    98105-41-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00191183
    Molecular Formula:
    C15H27NO4
    Molecular Weight:
    285.38
  • Fmoc-L-β-phenylalanine

    Purity:
    ≥ 98% (Chiral HPLC)
    Synonym:
    Fmoc-L-β-Phe-OH
    Catalog Number:
    12848
    CAS Number:
    220498-02-2
    Purity Limit:
    ≥ 98% (Chiral HPLC)
    MDL NO:
    MFCD01311783
    Molecular Formula:
    C24H21NO4
    Molecular Weight:
    387.44
  • Fmoc-D-β-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Phe-OH
    Catalog Number:
    12851
    CAS Number:
    209252-15-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01311759
    Molecular Formula:
    C24H21NO4
    Molecular Weight:
    387.44
  • Boc-2-cyano-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(2-CN)-OH
    Catalog Number:
    12862
    CAS Number:
    261380-28-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862940
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
  • Boc-3-methyl-L-phenylalanine

    Purity:
    ≥ 99.0% (HPLC)
    Synonym:
    Boc-L-Phe(3-Me)-OH
    Catalog Number:
    12856
    CAS Number:
    114873-06-2
    Purity Limit:
    ≥ 99.0% (HPLC)
    MDL NO:
    MFCD01862944
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
  • Boc-2-methyl-L-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    Boc-L-Phe(2-Me)-OH
    Catalog Number:
    12857
    CAS Number:
    114873-05-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00671390
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
  • Boc-2,4-dichloro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(2,4-DiCl)-OH
    Catalog Number:
    12794
    CAS Number:
    114873-12-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862941
    Molecular Formula:
    C14H17Cl2NO4
    Molecular Weight:
    334.2
  • Boc-3-isothiocyanatopropylamine

    Purity:
    ≥ 96% (GC)
    Synonym:
    tert-Butyl n-(3-isothiocyanatopropyl)carbamate
    Catalog Number:
    12836
    CAS Number:
    286955-45-1
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00674500
    Molecular Formula:
    C9H16N2O2S
    Molecular Weight:
    216.3
  • Fmoc-2-cyano-D-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Fmoc-D-Phe(2-CN)-OH
    Catalog Number:
    12847
    CAS Number:
    401620-74-4
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01863770
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.4
  • Fmoc-2-methyl-D-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Phe(2-Me)-OH
    Catalog Number:
    12846
    CAS Number:
    352351-63-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00671404
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
  • Fmoc-3-methyl-D-phenylalanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-D-Phe(3-Me)-OH
    Catalog Number:
    12845
    CAS Number:
    352351-64-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01863049
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
  • L-β-Leucine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-β-HomoVal-OH·HCl
    Catalog Number:
    12840
    CAS Number:
    219310-09-5
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862852
    Molecular Formula:
    C6H13NO2·HCl
    Molecular Weight:
    167.64
  • Boc-5-isothiocyanatopentylamine

    Purity:
    ≥ 99%
    Synonym:
    tert-Butyl n-(5-isothiocyanatopentyl)carbamate
    Catalog Number:
    12833
    CAS Number:
    347890-46-4
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD01862960
    Molecular Formula:
    C11H20N2O2S
    Molecular Weight:
    244.36
  • Boc-2-isothiocyanatoethylamine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    tert-Butyl n-(2-isothiocyanatoethyl)carbamate
    Catalog Number:
    12838
    CAS Number:
    137743-46-5
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00674499
    Molecular Formula:
    C8H14N2O2S
    Molecular Weight:
    202.28
  • Boc-L-β-homotryptophan

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-β-HomoTrp-OH
    Catalog Number:
    12779
    CAS Number:
    229639-48-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862938
    Molecular Formula:
    C17H22N2O4
    Molecular Weight:
    318.37
  • Z-N-methyl-α-aminoisobutyric acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-N-Me-Aib-OH
    Catalog Number:
    12800
    CAS Number:
    144332-60-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191898
    Molecular Formula:
    C13H17NO4
    Molecular Weight:
    251.28
  • Boc-L-β-homoproline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-HomoPro-OH
    Catalog Number:
    12782
    CAS Number:
    56502-01-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862939
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.28
  • Fmoc-L-β-homotryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-HomoTrp-OH
    Catalog Number:
    12765
    CAS Number:
    353245-98-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01863056
    Molecular Formula:
    C27H24N2O4
    Molecular Weight:
    440.5