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Unusual Amino Acids

2217
Filters

  • Fmoc-D-homocitrulline

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-D-HomoCit-OH
    Catalog Number:
    05700
    CAS Number:
    201485-38-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00237390
    Molecular Formula:
    C22H25N3O5
    Molecular Weight:
    411.4
  • DL-Cycloserine

    Purity:
    ≥ 98%
    Synonym:
    DL-4-Amino-3-isoxazolidinone
    Catalog Number:
    05653
    CAS Number:
    68-39-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00064323
    Molecular Formula:
    C3H6N2O2
    Molecular Weight:
    102.1
  • DL-α-Aminopimelic acid

    Purity:
    ≥ 99% (TLC)
    Synonym:
    DL-2-Aminoheptanedioic acid
    Catalog Number:
    05651
    CAS Number:
    627-76-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00053314
    Molecular Formula:
    C7H13NO4
    Molecular Weight:
    175.2
  • Catalog Number:
    05650
    CAS Number:
    90102-79-7
    Purity Limit:
    ≥ 90% (TLC)
    MDL NO:
    MFCD00236749
    Molecular Formula:
    C13H20N2O5·C12H23N
    Molecular Weight:
    465.63
  • Fmoc-D-allo-isoleucine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-D-allo-Ile-OH
    Catalog Number:
    05685
    CAS Number:
    118904-37-3
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00077062
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.4
  • Fmoc-O-tert-butyl-L-allo-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-allo-L-Thr(tBu)-OH
    Catalog Number:
    05673
    CAS Number:
    201481-37-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237371
    Molecular Formula:
    C23H27NO5
    Molecular Weight:
    397.46
  • D-2,3-Diaminopropionic acid hydrochloride

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    D-Dap-OH·HCl
    Catalog Number:
    05645
    CAS Number:
    6018-56-0
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00070606
    Molecular Formula:
    C3H8N2O2·HCl
    Molecular Weight:
    140.6
  • Benzoyl-L-citrulline methyl ester

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Bz-L-Cit-OMe
    Catalog Number:
    05623
    CAS Number:
    14325-36-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00038142
    Molecular Formula:
    C14H19N3O4
    Molecular Weight:
    293.2
  • DL-α-Aminosuberic acid

    Purity:
    ≥ 98% (Titration)
    Synonym:
    DL-Asu-OH
    Catalog Number:
    05648
    CAS Number:
    3054-07-7
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD00063122
    Molecular Formula:
    C8H15NO4
    Molecular Weight:
    189.21
  • Boc-β-cyclopropyl-L-Alanine·DCHA

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Ala(β-cyclopropyl)-OH dicyclohexylammonium salt
    Catalog Number:
    05608
    CAS Number:
    89483-07-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03093869
    Molecular Formula:
    C11H19NO4·C12H23N
    Molecular Weight:
    410.53
  • Boc-β-chloro-L-alanine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    Boc-β-chloro-L-Ala-OH
    Catalog Number:
    05604
    CAS Number:
    71404-98-3
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00672318
    Molecular Formula:
    C8H14NO4Cl
    Molecular Weight:
    223.66
  • Boc-D-neopentylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Boc-D-β-tBuAla-OH
    Catalog Number:
    05610
    CAS Number:
    112695-98-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00798621
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.33
  • Boc-L-pyroglutamic acid dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Pyr-OH·DCHA
    Catalog Number:
    05597
    CAS Number:
    4677-75-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076982
    Molecular Formula:
    C10H15NO5·C12H23N
    Molecular Weight:
    410.52
  • Boc-O-4-chlorobenzyl-L-threonine dicyclohexylammonium salt

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-L-Thr(4-ClBzl)-OH·DCHA
    Catalog Number:
    05611
    CAS Number:
    60803-72-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00076989
    Molecular Formula:
    C16H22NO5Cl·C12H23N
    Molecular Weight:
    525.13
  • Boc-β-tert-butyl-L-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-β-tBu-L-Ala-OH
    Catalog Number:
    05609
    CAS Number:
    79777-82-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237540
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.33
  • Boc-β-cyano-D-alanine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-β-cyano-D-Ala-OH
    Catalog Number:
    05606
    CAS Number:
    184685-17-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00236830
    Molecular Formula:
    C9H14N2O4
    Molecular Weight:
    214.22
  • Boc-β-cyano-L-alanine

    Purity:
    ≥ 98%
    Synonym:
    Boc-β-cyano-L-Ala-OH
    Catalog Number:
    05605
    CAS Number:
    45159-34-0
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00237539
    Molecular Formula:
    C9H14N2O4
    Molecular Weight:
    214.22
  • Boc-4-azido-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Phe(4-N3)-OH
    Catalog Number:
    05581
    CAS Number:
    33173-55-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237570
    Molecular Formula:
    C14H18N4O4
    Molecular Weight:
    306.32
  • Boc-N-methyl-L-phenylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-N-Me-L-Phg-OH
    Catalog Number:
    05573
    CAS Number:
    30925-11-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038799
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.3
  • Boc-4-azido-D-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-D-Phe(4-N3)-OH
    Catalog Number:
    05580
    CAS Number:
    214630-05-4
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00798620
    Molecular Formula:
    C14H18N4O4
    Molecular Weight:
    306.32
  • Boc-N-methyl-L-allo-isoleucine

    Purity:
    98+%
    Synonym:
    Boc-N-Me-allo-L-Ile-OH
    Catalog Number:
    05560
    CAS Number:
    136092-80-3
    Purity Limit:
    98+%
    MDL NO:
    MFCD00038763
    Molecular Formula:
    C12H23NO4·C6H13N
    Molecular Weight:
    344.49
  • Boc-N-methyl-D-allo-isoleucine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    Boc-N-Me-D-allo-Ile-OH
    Catalog Number:
    05563
    CAS Number:
    53462-50-3
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00237568
    Molecular Formula:
    C12H23NO4·C6H13N
    Molecular Weight:
    344.49
  • Boc-N-methyl-2-aminobenzoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-N-Me-2-Abz-OH
    Catalog Number:
    05559
    CAS Number:
    141871-02-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237567
    Molecular Formula:
    C13H17NO4
    Molecular Weight:
    251.3
  • Boc-Nw-(nitro)-L-homoarginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-HomoArg(NO2)-OH
    Catalog Number:
    05543
    CAS Number:
    28968-64-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151901
    Molecular Formula:
    C12H23N5O6
    Molecular Weight:
    333.35
  • Boc-DL-α-tert-butylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-DL-Tle-OH
    Catalog Number:
    05525
    CAS Number:
    102185-35-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00057782
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.3
  • Boc-S-4-methoxybenzyl-D-penicillamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Pen(pMeOBzl)-OH
    Catalog Number:
    05514
    CAS Number:
    106306-57-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076973
    Molecular Formula:
    C18H27NO5S
    Molecular Weight:
    369.2
  • Boc-S-4-methylbenzyl-D-homocysteine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-HomoCys(pMeBzl)-OH
    Catalog Number:
    05498
    CAS Number:
    214630-13-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01632042
    Molecular Formula:
    C17H25NO4S
    Molecular Weight:
    339.4
  • Boc-D-homoproline

    Purity:
    ≥ 98% (HPLC, Chiral purity)
    Synonym:
    Boc-D-HomoPro-OH
    Catalog Number:
    05499
    CAS Number:
    28697-17-8
    Purity Limit:
    ≥ 98% (HPLC, Chiral purity)
    MDL NO:
    MFCD00237380
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.3
  • Boc-D-citrulline

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-D-Cit-OH
    Catalog Number:
    05481
    CAS Number:
    121080-95-3
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00151898
    Molecular Formula:
    C11H21N3O5
    Molecular Weight:
    275.3
  • Boc-D-allo-isoleucine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-D-allo-Ile-OH
    Catalog Number:
    05470
    CAS Number:
    55780-90-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237543
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
  • Boc-3,5-diiodo-L-tyrosine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-3,5-diiodo-L-Tyr-OMe
    Catalog Number:
    05447
    CAS Number:
    128781-80-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237523
    Molecular Formula:
    C15H19I2NO5
    Molecular Weight:
    547.1
  • Boc-cis-L-4-hydroxyproline methyl ester

    Purity:
    ≥ 97%
    Synonym:
    Boc-cis-L-Hyp-OMe
    Catalog Number:
    05464
    CAS Number:
    102195-79-9
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00237541
    Molecular Formula:
    C11H19NO5
    Molecular Weight:
    245.28
  • 7-Aminoheptanoic acid

    Purity:
    ≥ 99%
    Synonym:
    7-Ahp-OH
    Catalog Number:
    05412
    CAS Number:
    929-17-9
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00008242
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
  • Boc-4,5-dehydro-L-leucine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-4,5-dehydro-L-Leu-OH·DCHA
    Catalog Number:
    05448
    CAS Number:
    87720-54-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237524
    Molecular Formula:
    C11H19NO4·C12H23N
    Molecular Weight:
    410.6
  • Boc-L-allo-isoleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-allo-L-Ile-OH
    Catalog Number:
    05451
    CAS Number:
    35264-07-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151905
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
  • Z-dehydroalanine methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-dehydro-Ala-OMe
    Catalog Number:
    05398
    CAS Number:
    21149-17-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00056245
    Molecular Formula:
    C12H13NO4
    Molecular Weight:
    235.2
  • Boc-S-3,4-dimethylbenzyl-L-cysteine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-L-Cys(3,4-dimethylBzl)-OH
    Catalog Number:
    05465
    CAS Number:
    41117-66-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00060743
    Molecular Formula:
    C17H25NO4S
    Molecular Weight:
    339.46
  • Boc-11-aminoundecanoic acid

    Purity:
    ≥ 95%
    Synonym:
    11-(Boc-amino)-undecanoic acid
    Catalog Number:
    05443
    CAS Number:
    10436-25-6
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD00076902
    Molecular Formula:
    C16H31NO4
    Molecular Weight:
    301.4
  • 2,6-Diaminopimelic acid

    Purity:
    96.5 - 103.5% (Assay by titration)
    Synonym:
    2,6-Diaminoheptanedioic acid
    Catalog Number:
    05411
    CAS Number:
    583-93-7
    Purity Limit:
    96.5 - 103.5% (Assay by titration)
    MDL NO:
    MFCD00002637
    Molecular Formula:
    C7H14N2O4
    Molecular Weight:
    190.2
  • Boc-3,5-diiodo-D-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-3,5-diiodo-D-Tyr-OH
    Catalog Number:
    05444
    CAS Number:
    214630-08-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00798624
    Molecular Formula:
    C14H17I2NO5
    Molecular Weight:
    533.33
  • Z-1-aminocyclopropane-1-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-Acpc-OH
    Catalog Number:
    05393
    CAS Number:
    84677-06-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00083285
    Molecular Formula:
    C12H13NO4
    Molecular Weight:
    235.2
  • Boc-O-2',6'-dichlorobenzyl-3,5-diiodo-L-tyrosine

    Purity:
    ≥ 99%
    Synonym:
    Boc-3,5-diiodo-L-Tyr(2',6'-DiCl-Bzl)-OH
    Catalog Number:
    05445
    CAS Number:
    201416-66-2
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00076994
    Molecular Formula:
    C21H20Cl2I2NO5
    Molecular Weight:
    694.1
  • Boc-S-methyl-L-penicillamine dicyclohexylammonium salt

    Purity:
    ≥ 99% (NMR)
    Synonym:
    Boc-L-Pen(Me)-OH·DCHA
    Catalog Number:
    05390
    CAS Number:
    112898-23-4
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD00070261
    Molecular Formula:
    C11H21NO4S·C12H23N
    Molecular Weight:
    444.7
  • Boc-O-methyl-D-tyrosine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-D-Tyr(Me)-OH
    Catalog Number:
    05355
    CAS Number:
    68856-96-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00065604
    Molecular Formula:
    C15H21NO5
    Molecular Weight:
    295.3
  • Boc-S-4-methylbenzyl-L-penicillamine dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Pen(pMeBzl)-OH·DCHA
    Catalog Number:
    05344
    CAS Number:
    198474-61-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00235907
    Molecular Formula:
    C18H27NO4S·C12H23N
    Molecular Weight:
    534.7
  • D-Thiaproline

    Purity:
    ≥ 99% (Assay, Chiral purity)
    Synonym:
    D-Thz-OH
    Catalog Number:
    05346
    CAS Number:
    45521-09-3
    Purity Limit:
    ≥ 99% (Assay, Chiral purity)
    MDL NO:
    MFCD00137425
    Molecular Formula:
    C4H7NO2S
    Molecular Weight:
    133.2
  • Z-D-norleucine

    Purity:
    ≥ 99%
    Synonym:
    Z-D-Nle-OH
    Catalog Number:
    05361
    CAS Number:
    15027-14-2
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00063169
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.31
  • Boc-isonipecotic acid

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Boc-Inp-OH
    Catalog Number:
    05343
    CAS Number:
    84358-13-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00076999
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.3
  • Fmoc-3-iodo-L-tyrosine

    Purity:
    ≥ 97.5% (HPLC)
    Synonym:
    Fmoc-3-I-L-Tyr-OH
    Catalog Number:
    05347
    CAS Number:
    134486-00-3
    Purity Limit:
    ≥ 97.5% (HPLC)
    MDL NO:
    MFCD00235906
    Molecular Formula:
    C24H20NO5I
    Molecular Weight:
    529.2
  • Z-sarcosine N-hydroxysuccinimide ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Z-Sar-OSu
    Catalog Number:
    05317
    CAS Number:
    53733-96-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00153340
    Molecular Formula:
    C15H16N2O6
    Molecular Weight:
    320.3