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Unusual Amino Acids

2217
Filters

  • Boc-2-chloro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(2-Cl)-OH
    Catalog Number:
    04094
    CAS Number:
    114873-02-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672514
    Molecular Formula:
    C14H18ClNO4
    Molecular Weight:
    299.8
  • 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
  • Boc-3-chloro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-L-Phe(3-Cl)-OH
    Catalog Number:
    04100
    CAS Number:
    114873-03-9
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00672515
    Molecular Formula:
    C14H18ClNO4
    Molecular Weight:
    299.8
  • 3-Chloro-L-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    L-Phe(3-Cl)-OH
    Catalog Number:
    04098
    CAS Number:
    80126-51-8
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01075124
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.6
  • Boc-3-chloro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(3-Cl)-OH
    Catalog Number:
    04101
    CAS Number:
    80102-25-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672516
    Molecular Formula:
    C14H18ClNO4
    Molecular Weight:
    299.8
  • 3-Chloro-D-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    D-Phe(3-Cl)-OH
    Catalog Number:
    04099
    CAS Number:
    80126-52-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01631984
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.6
  • Boc-p-phenyl-L-phenylalanine

    Purity:
    ≥ 99%
    Synonym:
    Boc-L-Bip(4,4')-OH
    Catalog Number:
    04082
    CAS Number:
    147923-08-8
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00191184
    Molecular Formula:
    C20H23NO4
    Molecular Weight:
    341.4
  • Boc-2-chloro-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Phe(2-Cl)-OH
    Catalog Number:
    04095
    CAS Number:
    80102-23-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00801056
    Molecular Formula:
    C14H18ClNO4
    Molecular Weight:
    299.8
  • Boc-4-bromo-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(4-Br)-OH
    Catalog Number:
    04089
    CAS Number:
    79561-82-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00270359
    Molecular Formula:
    C14H18BrNO4
    Molecular Weight:
    344.2
  • Fmoc-2-chloro-D-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    Fmoc-D-Phe(2-Cl)-OH
    Catalog Number:
    04097
    CAS Number:
    205526-22-3
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00672547
    Molecular Formula:
    C24H20ClNO4
    Molecular Weight:
    421.9
  • Fmoc-4-bromo-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Phe(4-Br)-OH
    Catalog Number:
    04091
    CAS Number:
    198545-76-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00273459
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.3
  • 2-Chloro-L-phenylalanine

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    L-Phe(2-Cl)-OH
    Catalog Number:
    04092
    CAS Number:
    103616-89-3
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00077921
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.6
  • Fmoc-p-phenyl-D-Phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-p-phenyl-D-Phenylalanine
    Catalog Number:
    04085
    CAS Number:
    205526-38-1
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00191199
    Molecular Formula:
    C30H25NO4
    Molecular Weight:
    463.52
  • 2-Chloro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(2-Cl)-OH
    Catalog Number:
    04093
    CAS Number:
    80126-50-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077920
    Molecular Formula:
    C9H10ClNO2
    Molecular Weight:
    199.6
  • 4-Bromo-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(4-Br)-OH
    Catalog Number:
    04086
    CAS Number:
    24250-84-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063062
    Molecular Formula:
    C9H10BrNO2
    Molecular Weight:
    244.1
  • Boc-p-phenyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Bip(4,4')-OH
    Catalog Number:
    04083
    CAS Number:
    128779-47-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191185
    Molecular Formula:
    C20H23NO4
    Molecular Weight:
    341.4
  • 4-Bromo-D-phenylalanine

    Purity:
    ≥ 99.9% (Chiral HPLC)
    Synonym:
    D-Phe(4-Br)-OH
    Catalog Number:
    04087
    CAS Number:
    62561-74-4
    Purity Limit:
    ≥ 99.9% (Chiral HPLC)
    MDL NO:
    MFCD01075126
    Molecular Formula:
    C9H10BrNO2
    Molecular Weight:
    244.1
  • Boc-4-bromo-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-Br)-OH
    Catalog Number:
    04088
    CAS Number:
    62129-39-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237571
    Molecular Formula:
    C14H18BrNO4
    Molecular Weight:
    344.2
  • 3-(3-Benzothienyl)-L-alanine

    Purity:
    ≥ 98.5% (assay)
    Synonym:
    3-L-Ala(3-benzothienyl)-OH
    Catalog Number:
    04077
    CAS Number:
    72120-71-9
    Purity Limit:
    ≥ 98.5% (assay)
    MDL NO:
    MFCD00079684
    Molecular Formula:
    C11H11NO2S
    Molecular Weight:
    221.3
  • H-p-Phenyl-D-phenylalanine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    D-Bip(4,4')-OH
    Catalog Number:
    04081
    CAS Number:
    170080-13-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD01318879
    Molecular Formula:
    C15H15NO2
    Molecular Weight:
    241.29
  • H-p-Phenyl-L-phenylalanine

    Purity:
    ≥ 99.0% (HPLC)
    Synonym:
    L-Bip(4,4')-OH
    Catalog Number:
    04080
    CAS Number:
    155760-02-4
    Purity Limit:
    ≥ 99.0% (HPLC)
    MDL NO:
    MFCD01318878
    Molecular Formula:
    C15H15NO2
    Molecular Weight:
    241.29
  • 3-(3-Benzothienyl)-D-alanine

    Purity:
    ≥ 99% (Assay on anhydrous basis)
    Synonym:
    3-D-Ala(3-benzothienyl)-OH
    Catalog Number:
    04078
    CAS Number:
    111139-55-0
    Purity Limit:
    ≥ 99% (Assay on anhydrous basis)
    MDL NO:
    MFCD00079683
    Molecular Formula:
    C11H11NO2S
    Molecular Weight:
    221.3
  • D-α-Aminosuberic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    D-Asu-OH
    Catalog Number:
    04076
    CAS Number:
    19641-63-5
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00672373
    Molecular Formula:
    C8H15NO4
    Molecular Weight:
    189.21
  • Fmoc-L-α-aminosuberic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Asu-OH
    Catalog Number:
    04074
    CAS Number:
    218457-76-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01317728
    Molecular Formula:
    C23H25NO6
    Molecular Weight:
    411.46
  • Boc-D-α-aminosuberic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-D-Asu-OH
    Catalog Number:
    04073
    CAS Number:
    75113-71-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01317723
    Molecular Formula:
    C13H23NO6
    Molecular Weight:
    289.21
  • Fmoc-D-α-aminoadipic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Aad-OH
    Catalog Number:
    04069
    CAS Number:
    218457-73-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01317727
    Molecular Formula:
    C21H21NO6
    Molecular Weight:
    383.4
  • D-α-Aminoadipic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    D-Aad-OH
    Catalog Number:
    04071
    CAS Number:
    7620-28-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00063118
    Molecular Formula:
    C6H11NO4
    Molecular Weight:
    161.2
  • Boc-3-(3-benzothienyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-3-D-Ala(3-benzothienyl)-OH
    Catalog Number:
    04058
    CAS Number:
    111082-76-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079679
    Molecular Formula:
    C16H19NO4S
    Molecular Weight:
    321.4
  • Boc-L-2-cyclohexylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Chg-OH
    Catalog Number:
    04059
    CAS Number:
    109183-71-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00133638
    Molecular Formula:
    C13H23NO4
    Molecular Weight:
    257.3
  • 2S,3R-3-(Boc-amino)-2-hydroxy-4-(4-nitrophenyl)butyric acid

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-(2S,3R-AHNPB-OH
    Catalog Number:
    04056
    CAS Number:
    112898-24-5
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00058524
    Molecular Formula:
    C15H20N2O7
    Molecular Weight:
    340.3
  • Boc-7-aminoheptanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-7-Ahp-OH
    Catalog Number:
    04053
    CAS Number:
    60142-89-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063356
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.3
  • Boc-1-aminocyclopropane-1-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-Acpc-OH
    Catalog Number:
    04052
    CAS Number:
    88950-64-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00083257
    Molecular Formula:
    C9H15NO4
    Molecular Weight:
    201.2
  • Boc-L-α-aminoadipic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Aad-OH
    Catalog Number:
    04051
    CAS Number:
    77302-72-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063354
    Molecular Formula:
    C11H19NO6
    Molecular Weight:
    261.3
  • L-Homoarginine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-HomoArg-OH
    Catalog Number:
    03989
    CAS Number:
    156-86-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00237108
    Molecular Formula:
    C7H16N4O2
    Molecular Weight:
    188.2
  • Boc-L-phenylglycine N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Phg-OSu
    Catalog Number:
    04015
    CAS Number:
    201152-47-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00190826
    Molecular Formula:
    C17H20N2O6
    Molecular Weight:
    348.36
  • Boc-3,5-diiodo-L-tyrosine N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-3,5-diiodo-L-Tyr-OSu
    Catalog Number:
    03976
    CAS Number:
    163679-35-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00057897
    Molecular Formula:
    C18H20I2N2O7
    Molecular Weight:
    630.33
  • Boc-L-trans-4-hydroxyproline methyl ester

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-L-Hyp-OMe
    Catalog Number:
    03991
    CAS Number:
    74844-91-0
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00076981
    Molecular Formula:
    C11H19NO5
    Molecular Weight:
    245.28
  • Boc-S-trityl-L-penicillamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Pen(Trt)-OH
    Catalog Number:
    03979
    CAS Number:
    135592-13-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237381
    Molecular Formula:
    C29H33NO4S
    Molecular Weight:
    491.6
  • Boc-S-acetamidomethyl-D-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Pen(Acm)-OH
    Catalog Number:
    03978
    CAS Number:
    201421-14-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151884
    Molecular Formula:
    C13H24N2O5S
    Molecular Weight:
    320.35
  • Boc-3,5-dibromo-L-tyrosine

    Purity:
    ≥ 99%
    Synonym:
    Boc-3,5-dibromo-L-Tyr-OH
    Catalog Number:
    03974
    CAS Number:
    58960-71-7
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00076993
    Molecular Formula:
    C14H17Br2NO5
    Molecular Weight:
    439.33
  • Boc-S-trityl-D-penicillamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Pen(Trt)-OH
    Catalog Number:
    03980
    CAS Number:
    135592-14-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237382
    Molecular Formula:
    C29H33NO4S
    Molecular Weight:
    491.6
  • Boc-3,5-diiodo-L-tyrosine

    Purity:
    ≥ 99%
    Synonym:
    Boc-3,5-diiodo-L-Tyr-OH
    Catalog Number:
    03975
    CAS Number:
    62129-53-7
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00058515
    Molecular Formula:
    C14H17I2NO5
    Molecular Weight:
    533.33
  • Boc-β-cyclohexyl-L-alanine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Cha-OH·DCHA
    Catalog Number:
    03964
    CAS Number:
    37462-62-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00077307
    Molecular Formula:
    C14H25NO4·C12H23N
    Molecular Weight:
    452.7
  • Boc-S-acetamidomethyl-L-penicillamine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-L-Pen(Acm)-OH
    Catalog Number:
    03977
    CAS Number:
    129972-45-8
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00151885
    Molecular Formula:
    C13H24N2O5S
    Molecular Weight:
    320.35
  • Boc-β-cyclohexyl-D-alanine dicyclohexylammonium salt

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-D-Cha-OH·DCHA
    Catalog Number:
    03965
    CAS Number:
    198470-07-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00155637
    Molecular Formula:
    C14H25NO4·C12H23N
    Molecular Weight:
    452.7
  • 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
  • Boc-3-(3-benzothienyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-3-L-Ala(3-benzothienyl)-OH
    Catalog Number:
    03961
    CAS Number:
    154902-51-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237538
    Molecular Formula:
    C16H19NO4S
    Molecular Weight:
    321.4
  • Boc-S-trityl-L-homocysteine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Boc-L-HomoCys(Trt)-OH
    Catalog Number:
    03953
    CAS Number:
    201419-16-1
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00672309
    Molecular Formula:
    C28H31NO4S
    Molecular Weight:
    477.57
  • Boc-L-norleucine dicyclohexylammonium salt

    Purity:
    99%
    Synonym:
    Boc-L-Nle-OH·DCHA
    Catalog Number:
    03946
    CAS Number:
    21947-32-0
    Purity Limit:
    99%
    MDL NO:
    MFCD00038968
    Molecular Formula:
    C11H21NO4·C12H23N
    Molecular Weight:
    412.6
  • 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