🌟 99% Happy customers

📦 Same-day shipping on in-stock items

Unusual Amino Acids

2217
Filters

  • Catalog Number:
    11568
    CAS Number:
    128293-64-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03093495
    Molecular Formula:
    C10H15N3O4
    Molecular Weight:
    241.25
  • Boc-3,4-dehydro-D-Valine

    Synonym:
    Boc-Δ-D-Val-OH
    Catalog Number:
    11590
    MDL NO:
    MFCD03093497
    Molecular Formula:
    C10H17NO4
    Molecular Weight:
    215.25
  • Catalog Number:
    11570
    CAS Number:
    252206-28-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259498
    Molecular Formula:
    C20H17N3O4
    Molecular Weight:
    363.37
  • Allyloxycarbonyl-3-(3'-pyridyl)-DL-alanine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Aloc-DL-Ala(3'-pyridyl)-OH
    Catalog Number:
    11589
    CAS Number:
    1008607-08-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD06796725
    Molecular Formula:
    C12H14N2O4
    Molecular Weight:
    250.25
  • R,S-3-Amino-3-(3-pyridyl)propionic acid

    Purity:
    ≥ 98%
    Synonym:
    DL-β-Ala-(3-pyridyl)-OH
    Catalog Number:
    11563
    CAS Number:
    62247-21-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01549598
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.18
  • Fmoc-(2R,3S-3-phenylisoserine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (2R,3S-3-(Fmoc-amino)-2-hydroxy-3-phenyl-propanoic acid
    Catalog Number:
    11433
    CAS Number:
    252206-27-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259497
    Molecular Formula:
    C24H21NO5
    Molecular Weight:
    403.43
  • 4-(Boc-amino)-1-methyl-1H-pyrrole-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-Py-OH
    Catalog Number:
    11569
    CAS Number:
    77716-11-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02094544
    Molecular Formula:
    C11H16N2O4
    Molecular Weight:
    240.26
  • Benzyl-L-norleucine methyl ester hydrochloride

    Purity:
    ≥ 97% (TLC)
    Synonym:
    Bzl-L-Nle-OMe·HCl
    Catalog Number:
    11459
    CAS Number:
    1122017-35-9
    Purity Limit:
    ≥ 97% (TLC)
    MDL NO:
    MFCD03093493
    Molecular Formula:
    C14H21NO2·HCl
    Molecular Weight:
    271.79
  • 3-(2R,3S-Phenylisoserine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    (2R,3S-3-Amino-2-hydroxy-3-phenyl-propanoic acid
    Catalog Number:
    11434
    CAS Number:
    136561-53-0
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00671670
    Molecular Formula:
    C9H11NO3
    Molecular Weight:
    181.19
  • Boc-1,5-diaminopentane hydrochloride

    Purity:
    ≥ 98% (Titration)
    Synonym:
    Boc-DAPe-OH·HCl
    Catalog Number:
    11290
    CAS Number:
    77835-31-5
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD02677949
    Molecular Formula:
    C10H22N2O2·HCl
    Molecular Weight:
    238.76
  • Boc-D-a-aminobutyric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Abu-OH
    Catalog Number:
    11351
    CAS Number:
    45121-22-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270335
    Molecular Formula:
    C9H17NO4
    Molecular Weight:
    203.3
  • Boc-1,4-diaminobutane·HCl

    Purity:
    ≥ 99% (Titration)
    Synonym:
    Boc-NH(CH2)4NH2·HCl
    Catalog Number:
    11289
    CAS Number:
    33545-98-1
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD02090802
    Molecular Formula:
    C9H20N2O2·HCl
    Molecular Weight:
    224.73
  • Z-1,6-diaminohexane hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Z-1,6-hexanediamine hydrochloride
    Catalog Number:
    11293
    CAS Number:
    78618-06-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270151
    Molecular Formula:
    C14H22N2O2·HCl
    Molecular Weight:
    286.8
  • Boc-(2R,3S-3-phenylisoserine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (2R,3S-3-(Boc-amino)-2-hydroxy-3-phenyl-propanoic acid
    Catalog Number:
    11432
    CAS Number:
    145514-62-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259481
    Molecular Formula:
    C14H19NO5
    Molecular Weight:
    281.31
  • L-Glutamic acid γ-methyl ester α-amide hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Glu(OMe)-NH2·HCl
    Catalog Number:
    11409
    CAS Number:
    70830-50-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD02094379
    Molecular Formula:
    C6H12N2O3·HCl
    Molecular Weight:
    196.63
  • Z-1,5-pentanediamine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-1,5-pentanediamine hydrochloride
    Catalog Number:
    11292
    CAS Number:
    18807-74-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00270152
    Molecular Formula:
    C13H20N2O2·HCl
    Molecular Weight:
    272.77
  • Fmoc-cis-D-4-hydroxyproline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-cis-Hyp-OH
    Catalog Number:
    11183
    CAS Number:
    214852-45-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01318735
    Molecular Formula:
    C20H19NO5
    Molecular Weight:
    353.4
  • Nε-Biotinyl-L-lysine amide

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Lys(biotinyl)-NH2
    Catalog Number:
    10778
    CAS Number:
    61125-53-9
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD01319117
    Molecular Formula:
    C16H29N5O3S
    Molecular Weight:
    371.5
  • 1-Boc-4-aminopiperidine-4-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Amino-1-Boc-isonipecotic acid
    Catalog Number:
    10544
    CAS Number:
    183673-71-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01318728
    Molecular Formula:
    C11H20N2O4
    Molecular Weight:
    244.29
  • Boc-α-methyl-DL-Valine

    Synonym:
    Boc-α-Me-DL-Val-OH
    Catalog Number:
    10804
    CAS Number:
    139938-00-4
    MDL NO:
    MFCD00798615
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.3
  • 4-Aminopiperidine-4-carboxylic acid hydrochloride

    Purity:
    ≥ 99%
    Synonym:
    4-Aminoisonipecotic acid hydrochloride
    Catalog Number:
    10940
    CAS Number:
    76508-73-1
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD02259522
    Molecular Formula:
    C6H12N2O2·2HCl
    Molecular Weight:
    217.1
  • Nε-Biotinyl-L-lysine

    Purity:
    ≥ 92% (Assay)
    Synonym:
    L-Lys(biotinyl)-OH
    Catalog Number:
    10777
    CAS Number:
    576-19-2
    Purity Limit:
    ≥ 92% (Assay)
    MDL NO:
    MFCD00077319
    Molecular Formula:
    C16H28N4O4S
    Molecular Weight:
    372.49
  • b-S-(4-Methoxybenzylmercapto)-b,b-cyclopentamethylene-propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    [1-(4-Methoxybenzylsulfanyl)cyclohexyl]acetic acid
    Catalog Number:
    09985
    CAS Number:
    87242-92-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153490
    Molecular Formula:
    C16H22O3S
    Molecular Weight:
    294.41
  • β-(4-Methylbenzyl)mercapto-β,β-cyclopenta-methylene-propionic acid

    Purity:
    ≥ 99% (TLC)
    Synonym:
    S-4-Methylbenzyl-pmp
    Catalog Number:
    09961
    CAS Number:
    87242-91-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00080282
    Molecular Formula:
    C16H22O2S
    Molecular Weight:
    278.41
  • N-Phenylsulfonyl-N-methylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N-Phenylsulfonyl-sarcosine
    Catalog Number:
    09635
    CAS Number:
    46376-16-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00031398
    Molecular Formula:
    C9H11NO4S
    Molecular Weight:
    229.26
  • N-Methyl-L-norleucine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Me-L-Nle-OH·HCl
    Catalog Number:
    09614
    CAS Number:
    17343-27-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06795798
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
  • L-4,5,6,7-Tetrahydro-1H-imidazo[4,5-c]pyridine-6-carboxylic acid

    Purity:
    ≥ 98% (Titration)
    Synonym:
    Spinacine
    Catalog Number:
    09389
    CAS Number:
    59981-63-4
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD01318776
    Molecular Formula:
    C7H9N3O2
    Molecular Weight:
    167.17
  • Nε-4-Nitro-Z-L-lysine pyrrolidide

    Synonym:
    L-Lys(4-NO2-Z)-pyrrolidide
    Catalog Number:
    08851
    CAS Number:
    136259-18-2
    MDL NO:
    MFCD02259686
    Molecular Formula:
    C18H26N4O5
    Molecular Weight:
    378.43
  • Boc-(4-hydroxy)piperidine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    1-Boc-4-piperidinol
    Catalog Number:
    07364
    CAS Number:
    109384-19-2
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01075174
    Molecular Formula:
    C10H19NO3
    Molecular Weight:
    201.27
  • DL-α-tert-Butylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    DL-α-tert-Butyl-Gly-OH
    Catalog Number:
    08466
    CAS Number:
    33105-81-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00065933
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.2
  • D-Norvaline benzyl ester p-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Nva-OBzl·TosOH
    Catalog Number:
    08474
    CAS Number:
    218962-76-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01318877
    Molecular Formula:
    C12H17NO2·C7H8O3S
    Molecular Weight:
    379.48
  • DL-Norleucine methyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DL-Nle-OMe·HCl
    Catalog Number:
    08460
    CAS Number:
    77300-48-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00058296
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.7
  • cis-L-4-Hydroxyproline methyl ester hydrochloride

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    cis-L-Hyp-OMe·HCl
    Catalog Number:
    08408
    CAS Number:
    40126-30-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237835
    Molecular Formula:
    C6H11NO3·HCl
    Molecular Weight:
    181.6
  • γ-Aminobutyric acid tert-butyl ester hydrochloride

    Purity:
    ≥ 98% (Assay)
    Synonym:
    γ-Abu-OtBu·HCl
    Catalog Number:
    08221
    CAS Number:
    58640-01-0
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00270592
    Molecular Formula:
    C8H17NO2·HCl
    Molecular Weight:
    195.7
  • For-L-norleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    For-L-Nle-OH
    Catalog Number:
    08117
    CAS Number:
    133388-96-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237678
    Molecular Formula:
    C7H13NO3
    Molecular Weight:
    159.18
  • Fmoc-O-phospho-L-serine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-L-Ser(H2PO3)-OH
    Catalog Number:
    08085
    CAS Number:
    158171-15-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00672324
    Molecular Formula:
    C18H18NO8P
    Molecular Weight:
    407.32
  • 2-(4-Biphenylyl)isopropyloxycarbonyl-O-tert-butyl-L-threonine N-hydroxysuccinimide ester

    Purity:
    ≥ 99% (Assay by Elemental analysis)
    Synonym:
    Bpoc-L-Thr(tBu)-OSu
    Catalog Number:
    07910
    CAS Number:
    62020-53-5
    Purity Limit:
    ≥ 99% (Assay by Elemental analysis)
    MDL NO:
    MFCD00236886
    Molecular Formula:
    C28H34N2O7
    Molecular Weight:
    510.59
  • Boc-N-methyl-L-norvaline

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-N-Me-L-Nva-OH
    Catalog Number:
    07868
    CAS Number:
    136092-78-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD02094111
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
  • Boc-L-trans-4-hydroxyproline tert-butyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Hyp-OtBu
    Catalog Number:
    07844
    CAS Number:
    170850-75-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01318729
    Molecular Formula:
    C14H25NO5
    Molecular Weight:
    287.36
  • Z-N-methyl-L-norleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-N-Me-L-Nle-OH
    Catalog Number:
    07564
    CAS Number:
    225386-32-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259505
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
  • H-β-(2-Furyl)-D-alanine

    Purity:
    ≥ 98%
    Synonym:
    3-D-Ala(2-furyl)-OH
    Catalog Number:
    07443
    CAS Number:
    110772-46-8
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01860879
    Molecular Formula:
    C7H9NO3
    Molecular Weight:
    155.16
  • H-β-(2-Furyl)-L-alanine

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    3-L-Ala(2-furyl)-OH
    Catalog Number:
    07442
    CAS Number:
    127682-08-0
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD01860886
    Molecular Formula:
    C7H9NO3
    Molecular Weight:
    155.16
  • 3-Styryl-D-alanine

    Purity:
    ≥ 99% (Assay by titration on dried basis)
    Synonym:
    D-Ala(styryl)-OH
    Catalog Number:
    07445
    CAS Number:
    264903-53-9
    Purity Limit:
    ≥ 99% (Assay by titration on dried basis)
    MDL NO:
    MFCD01860880
    Molecular Formula:
    C11H13NO2
    Molecular Weight:
    191.24
  • 3-Styryl-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Ala(styryl)-OH
    Catalog Number:
    07444
    CAS Number:
    267650-37-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01860887
    Molecular Formula:
    C11H13NO2
    Molecular Weight:
    191.24
  • H-Allyl-D-glycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Gly(allyl)-OH
    Catalog Number:
    07440
    CAS Number:
    54594-06-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063104
    Molecular Formula:
    C5H9NO2
    Molecular Weight:
    115.14
  • 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
  • β-(3-Thienyl)-D-alanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    D-Ala-3-(3-thienyl)-OH
    Catalog Number:
    07439
    CAS Number:
    152612-26-5
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00065610
    Molecular Formula:
    C7H9NO2S
    Molecular Weight:
    171.2
  • D-2,4-Dichlorophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(2,4-DiCl)-OH
    Catalog Number:
    07433
    CAS Number:
    114872-98-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01860873
    Molecular Formula:
    C9H9NO2Cl2
    Molecular Weight:
    234.2
  • H-D-Phe(2-trifluoromethyl)-OH

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    D-Phe(2-CF3)-OH
    Catalog Number:
    07435
    CAS Number:
    130930-49-3
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01860877
    Molecular Formula:
    C10H10F3NO2
    Molecular Weight:
    233.19
  • 2-Cyano-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Phe(2-CN)-OH
    Catalog Number:
    07437
    CAS Number:
    263396-41-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01860878
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2