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Unusual Amino Acids

2217
Filters

  • Boc-D-norleucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Nle-OH
    Catalog Number:
    03947
    CAS Number:
    55674-63-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063168
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.31
  • Boc-6-aminohexanoic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-6-aminocaproic acid N-hydroxysuccinimide ester
    Catalog Number:
    03945
    CAS Number:
    51513-80-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00237379
    Molecular Formula:
    C15H24N2O6
    Molecular Weight:
    328.4
  • Boc-D-homophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-HomoPhe-OH
    Catalog Number:
    03952
    CAS Number:
    82732-07-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076905
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.33
  • Boc-4-amino-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Phe(4-NH2)-OH
    Catalog Number:
    03948
    CAS Number:
    164332-89-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00236818
    Molecular Formula:
    C14H20N2O4
    Molecular Weight:
    280.3
  • Boc-L-α-aminobutyric acid 4-nitrophenyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-L-Abu-ONp
    Catalog Number:
    03941
    CAS Number:
    67708-97-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237525
    Molecular Formula:
    C15H20N2O6
    Molecular Weight:
    324.2
  • Fmoc-S-trityl-D-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Pen(Trt)-OH
    Catalog Number:
    03914
    CAS Number:
    201532-01-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237389
    Molecular Formula:
    C39H35NO4S
    Molecular Weight:
    613.72
  • Fmoc-S-benzyl-D-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Pen(Bzl)-OH
    Catalog Number:
    03913
    CAS Number:
    139551-73-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151936
    Molecular Formula:
    C27H27NO4S
    Molecular Weight:
    461.58
  • Z-L-pyroglutamic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Z-L-Pyr-OSu
    Catalog Number:
    03891
    CAS Number:
    40291-26-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00191144
    Molecular Formula:
    C17H16N2O7
    Molecular Weight:
    360.33
  • Z-L-glutamic acid α-amide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Glu-NH2
    Catalog Number:
    03874
    CAS Number:
    6398-06-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00238433
    Molecular Formula:
    C13H16N2O5
    Molecular Weight:
    280.28
  • Z-L-α-aminobutyric acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Abu-OSu
    Catalog Number:
    03871
    CAS Number:
    71447-81-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191058
    Molecular Formula:
    C16H18N2O6
    Molecular Weight:
    334.3
  • Z-L-phenylglycine N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Phg-OSu
    Catalog Number:
    03868
    CAS Number:
    146118-22-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00153339
    Molecular Formula:
    C20H18N2O6
    Molecular Weight:
    382.37
  • Z-D-norvaline

    Purity:
    ≥ 99%
    Synonym:
    Z-D-Nva-OH
    Catalog Number:
    03854
    CAS Number:
    42918-89-8
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00136826
    Molecular Formula:
    C13H17NO4
    Molecular Weight:
    251.28
  • Z-γ-aminobutyric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-γ-Abu-OH
    Catalog Number:
    03832
    CAS Number:
    5105-78-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00055835
    Molecular Formula:
    C12H15NO4
    Molecular Weight:
    237.3
  • Boc-D-cyclopentylglycine dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-cyclopentylglycine dicyclohexylammonium salt
    Catalog Number:
    03827
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06795810
    Molecular Formula:
    C12H21NO4·C12H23N
    Molecular Weight:
    424.49
  • Boc-L-cyclopentylglycine dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Gly(cyclopentyl)-OH·DCHA
    Catalog Number:
    03826
    CAS Number:
    676559-50-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD05663437
    Molecular Formula:
    C12H21NO4·C12H23N
    Molecular Weight:
    424.49
  • Boc-3,4-dehydro-L-proline methyl ester

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-3,4-dehydro-L-Pro-OMe
    Catalog Number:
    03830
    CAS Number:
    74844-93-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00080341
    Molecular Formula:
    C11H17NO4
    Molecular Weight:
    227.23
  • Boc-D-2-indanylgly-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-β-indanylglycine
    Catalog Number:
    03825
    CAS Number:
    181227-48-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00671401
    Molecular Formula:
    C16H21NO4
    Molecular Weight:
    291.2
  • Boc-sarcosine N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Sar-OSu
    Catalog Number:
    03812
    CAS Number:
    80621-90-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00153312
    Molecular Formula:
    C12H18N2O6
    Molecular Weight:
    286.3
  • Boc-(3S,4S-4-amino-3-hydroxy-5-cyclohexylpentanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-ACHPA-OH
    Catalog Number:
    03813
    CAS Number:
    98105-45-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00155624
    Molecular Formula:
    C16H29NO5
    Molecular Weight:
    315.4
  • Boc-L-glutamic acid α-amide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Glu-NH2
    Catalog Number:
    03785
    CAS Number:
    18800-74-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00070081
    Molecular Formula:
    C10H18N2O5
    Molecular Weight:
    246.26
  • Boc-L-homocitruline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-HomoCit-OH
    Catalog Number:
    03797
    CAS Number:
    201418-83-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151903
    Molecular Formula:
    C12H23N3O5
    Molecular Weight:
    289.3
  • Boc-L-β-indanylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-2-L-indanylgly-OH
    Catalog Number:
    03808
    CAS Number:
    181227-47-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00671384
    Molecular Formula:
    C16H21NO4
    Molecular Weight:
    291.2
  • Boc-D-norvaline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Nva-OH
    Catalog Number:
    03805
    CAS Number:
    57521-85-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00155638
    Molecular Formula:
    C10H19NO4
    Molecular Weight:
    217.28
  • Boc-D-homocitrulline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-HomoCit-OH
    Catalog Number:
    03798
    CAS Number:
    121080-97-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151902
    Molecular Formula:
    C12H23N3O5
    Molecular Weight:
    289.3
  • Boc-α-aminoisobutyric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Aib-OH
    Catalog Number:
    03779
    CAS Number:
    30992-29-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00042973
    Molecular Formula:
    C9H17NO4
    Molecular Weight:
    203.2
  • Fmoc-O-benzylphospho-L-tyrosine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Tyr(HPO3Bzl)-OH
    Catalog Number:
    03746
    CAS Number:
    191348-16-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00797871
    Molecular Formula:
    C31H28NO8P
    Molecular Weight:
    573.5
  • Fmoc-4,5-dehydro-L-leucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-4,5-dehydro-L-leucine
    Catalog Number:
    03766
    CAS Number:
    87720-55-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237651
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
  • Fmoc-3-(2'-quinoyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Ala(2'-quinolyl)-OH
    Catalog Number:
    03759
    CAS Number:
    214852-56-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318745
    Molecular Formula:
    C27H22N2O4
    Molecular Weight:
    438.5
  • Fmoc-O-benzylphospho-L-threonine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-L-Thr(HPO3Bzl)-OH
    Catalog Number:
    03742
    CAS Number:
    175291-56-2 
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00797870
    Molecular Formula:
    C26H26NO8P
    Molecular Weight:
    511.5
  • Fmoc-3-(2'-quinolyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Ala(2'-quinolyl)-OH
    Catalog Number:
    03760
    CAS Number:
    214852-58-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318746
    Molecular Formula:
    C27H22N2O4
    Molecular Weight:
    438.5
  • Fmoc-3-(9-anthryl)-L-alanine

    Purity:
    ≥ 98.5% (Chiral HPLC)
    Synonym:
    Fmoc-3-(9-anthryl)-L-alanine
    Catalog Number:
    03756
    CAS Number:
    268734-27-6
    Purity Limit:
    ≥ 98.5% (Chiral HPLC)
    MDL NO:
    MFCD00671381
    Molecular Formula:
    C32H25NO4
    Molecular Weight:
    487.55
  • Fmoc-O-phospho-L-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Tyr(H2PO3)-OH
    Catalog Number:
    03747
    CAS Number:
    147762-53-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00235902
    Molecular Formula:
    C24H22NO8P
    Molecular Weight:
    483.41
  • 2S,3S-Fmoc-Apns-OH

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-(2S,3S-3-amino-2-hydroxy-4-phenylbutyric acid
    Catalog Number:
    03739
    CAS Number:
    210754-59-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00467714
    Molecular Formula:
    C25H23NO5
    Molecular Weight:
    417.46
  • Fmoc-(3S,4S-4-amino-3-hydroxy-5-phenylpentanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-AHPPA-OH
    Catalog Number:
    03741
    CAS Number:
    198542-01-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00155625
    Molecular Formula:
    C26H25NO5
    Molecular Weight:
    431.5
  • Fmoc-(3S,4S-4-amino-3-hydroxy-5-cyclohexylpentanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-ACHPA-OH
    Catalog Number:
    03740
    CAS Number:
    130597-31-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00155626
    Molecular Formula:
    C26H31NO5
    Molecular Weight:
    437.5
  • 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
  • Fmoc-2-aminoethylbromide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-1-amino-2-bromoethane
    Catalog Number:
    03709
    CAS Number:
    340187-12-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00797866
    Molecular Formula:
    C17H16NO2Br
    Molecular Weight:
    346.2
  • 3S-1,2,3,4-Tetrahydroisoquinoline-7-hydroxy-3-carboxylic acid dihydrate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Tic(OH)-OH·2 H2O
    Catalog Number:
    03687
    CAS Number:
    128502-56-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00819133
    Molecular Formula:
    C10H11NO3·2H2O
    Molecular Weight:
    229.2
  • D-Phenylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    D-Phg-OH
    Catalog Number:
    03537
    CAS Number:
    875-74-1
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00008061
    Molecular Formula:
    C8H9NO2
    Molecular Weight:
    151.2
  • Boc-β-cyclohexyl-D-alanine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Boc-D-Cha-OH
    Catalog Number:
    03553
    CAS Number:
    127095-92-5
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD00133627
    Molecular Formula:
    C14H25NO4
    Molecular Weight:
    271.2
  • 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
  • Boc-D-phenylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-phenylglycine
    Catalog Number:
    03535
    CAS Number:
    33125-05-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00062043
    Molecular Formula:
    C13H17NO4
    Molecular Weight:
    251.3
  • D-Citrulline

    Purity:
    ≥ 99% (Assay)
    Synonym:
    D-Cit-OH
    Catalog Number:
    03529
    CAS Number:
    13594-51-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00216469
    Molecular Formula:
    C6H13N3O3
    Molecular Weight:
    175.19
  • Boc-S-4-methoxybenzyl-L-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Pen(pMeOBzl)-OH
    Catalog Number:
    03501
    CAS Number:
    120944-75-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076975
    Molecular Formula:
    C18H27NO5S
    Molecular Weight:
    369.2
  • L-Homoproline

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-HomoPro-OH
    Catalog Number:
    03414
    CAS Number:
    3105-95-1
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005981
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.14
  • β-(2-Thienyl)-DL-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-DL-Ala(2-thienyl)-OH
    Catalog Number:
    03432
    CAS Number:
    2021-58-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005459
    Molecular Formula:
    C7H9NO2S
    Molecular Weight:
    171.2
  • β-(2-Thiazolyl)-DL-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DL-Ala(2-thiazolyl)-OH
    Catalog Number:
    03431
    CAS Number:
    1596-65-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00011560
    Molecular Formula:
    C6H8N2O2S
    Molecular Weight:
    172.21
  • D-Norvaline

    Purity:
    ≥ 99% (Assay)
    Synonym:
    D-Nva-OH
    Catalog Number:
    03406
    CAS Number:
    2013-12-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00008097
    Molecular Formula:
    C5H11NO2
    Molecular Weight:
    117.1
  • D-Norleucine

    Purity:
    99%
    Synonym:
    D-Nle-OH
    Catalog Number:
    03404
    CAS Number:
    327-56-0
    Purity Limit:
    99%
    MDL NO:
    MFCD00008099
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.18
  • 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