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Unusual Amino Acids

2217
Filters

  • 2',3',5',6'-Tetrahydro-1'H-3,4'-bipyridinyl-4'-ol

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    4-(3-Pyridyl)-4-hydroxypiperidine
    Catalog Number:
    23744
    CAS Number:
    50461-59-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD04117758
    Molecular Formula:
    C10H14N2O
    Molecular Weight:
    178.23
    Specification Sheet SDS

  • 4-Hydroxy-4-pyrid-4-yl(piperidine)

    Purity:
    ≥ 92%
    Synonym:
    4-(4-Pyridyl)-4-hydroxypiperidine
    Catalog Number:
    23745
    CAS Number:
    233261-75-1
    Purity Limit:
    ≥ 92%
    MDL NO:
    MFCD04117759
    Molecular Formula:
    C10H14N2O
    Molecular Weight:
    178.23
    Specification Sheet SDS

  • 4-Hydroxy-4-pyrid-2-yl(piperidine)

    Purity:
    ≥ 95% (NMR)
    Synonym:
    4-(2-Pyridyl)-4-hydroxypiperidine
    Catalog Number:
    23743
    CAS Number:
    50461-56-8
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD04117757
    Molecular Formula:
    C10H14N2O
    Molecular Weight:
    178.23
    Specification Sheet SDS

  • 3-(4-Chlorophenyl)piperazine-1-carboxylic acid tert-butyl ester

    Purity:
    ≥ 95% (NMR)
    Catalog Number:
    23608
    CAS Number:
    886767-49-3
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD03840084
    Molecular Formula:
    C15H21ClN2O2
    Molecular Weight:
    296.8
    Specification Sheet SDS

  • tert-Butyl-4-(2-amino-1-phenylethyl)piperazine carboxylate

    Purity:
    ≥ 97.0% (HPLC)
    Catalog Number:
    23433
    CAS Number:
    444892-54-0
    Purity Limit:
    ≥ 97.0% (HPLC)
    MDL NO:
    MFCD01862526
    Molecular Formula:
    C17H27N3O2
    Molecular Weight:
    305.42
    Specification Sheet SDS

  • L-Nipecotic acid ethyl ester-l-tartrate

    Purity:
    ≥ 98%
    Synonym:
    L-Nip-OEt·Tartrate
    Catalog Number:
    23303
    CAS Number:
    167392-57-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00799538
    Molecular Formula:
    C8H15NO2·C4H6O6
    Molecular Weight:
    307.3
    Specification Sheet SDS

  • 11-Maleimidoundecanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    KMUA
    Catalog Number:
    23092
    CAS Number:
    57079-01-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00941279
    Molecular Formula:
    C15H23NO4
    Molecular Weight:
    281.35
    Specification Sheet SDS

  • 11-Maleimidoundecanoic acid sulfo-NHS

    Purity:
    99%
    Synonym:
    Sulfo-KMUS
    Catalog Number:
    23082
    CAS Number:
    211236-68-9
    Purity Limit:
    99%
    MDL NO:
    MFCD01075057
    Molecular Formula:
    C19H25N2O9SNa
    Molecular Weight:
    485.47
    SDS

  • 11-Maleimidoundecanoic acid hydrazide

    Purity:
    99%
    Synonym:
    KMUH
    Catalog Number:
    23087
    CAS Number:
    359436-62-7
    Purity Limit:
    99%
    MDL NO:
    MFCD01863411
    Molecular Formula:
    C15H25N3O3
    Molecular Weight:
    295.38
    SDS

  • Nα-Boc-DL-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-DL-Dap-OH
    Catalog Number:
    22768
    CAS Number:
    159002-17-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00736752
    Molecular Formula:
    C8H16N2O4
    Molecular Weight:
    204.23
    Specification Sheet SDS

  • Boc-1-aminomethyl-cyclohexane carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    22704
    CAS Number:
    204514-23-8
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD09264198
    Molecular Formula:
    C13H23NO4
    Molecular Weight:
    257.33
    Specification Sheet SDS

  • Fmoc-1-aminomethyl-cyclohexane carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    22705
    CAS Number:
    220145-22-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD09264208
    Molecular Formula:
    C23H25NO4
    Molecular Weight:
    379.46
    Specification Sheet SDS

  • 1-Boc-1,4-diazepane hydrochloride

    Purity:
    ≥ 99% (Assay by Titration)
    Synonym:
    Boc-homopiperazine hydrochloride
    Catalog Number:
    22699
    CAS Number:
    1049743-87-4
    Purity Limit:
    ≥ 99% (Assay by Titration)
    MDL NO:
    MFCD07781257
    Molecular Formula:
    C10H21N2O2Cl
    Molecular Weight:
    236.74
    Specification Sheet SDS

  • (Boc-4-aminomethyl)piperidine hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Piperidin-4-ylmethyl-carbamic acid tert-butyl ester hydrochloride
    Catalog Number:
    22696
    CAS Number:
    1049727-98-1, 135632-53-0
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD04112674
    Molecular Formula:
    C11H24N2O2Cl2
    Molecular Weight:
    287.23
    Specification Sheet SDS

  • 1-Boc-4-aminomethyl-piperidine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    22694
    CAS Number:
    359629-16-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03093510
    Molecular Formula:
    C11H23N2O2Cl
    Molecular Weight:
    250.77
    Specification Sheet SDS

  • (3S)-4-Boc-1-carboxymethyl-3-methyl-piperazin-2-one

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    (S-4-Carboxymethyl-2-methyl-3-oxo-piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    22688
    CAS Number:
    959571-65-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD06656456
    Molecular Formula:
    C12H20N2O5
    Molecular Weight:
    272.3
    Specification Sheet SDS

  • (R,S)-4-Boc-3-carboxymethyl-piperazin-2-one

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Carboxymethyl-3-oxo-piperazine-1-carboxylic acid tert-butyl ester
    Catalog Number:
    22690
    CAS Number:
    863307-54-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06656452
    Molecular Formula:
    C11H18N2O5
    Molecular Weight:
    258.27
    Specification Sheet SDS

  • (R,S)-1-Amino-2-phenylethyl-phosphonic acid diphenyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (R,S-PheP(OPh)2·HCl
    Catalog Number:
    22678
    CAS Number:
    1171995-49-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD09998735
    Molecular Formula:
    C20H20NO3P·HCl
    Molecular Weight:
    389.82
    Specification Sheet SDS

  • N-(Fmoc-8-amino-3,6-dioxa-octyl)succinamic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-(PEG)2-Suc-OH
    Catalog Number:
    22666
    CAS Number:
    613245-91-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06656466
    Molecular Formula:
    C25H30N2O7
    Molecular Weight:
    470.52
    Specification Sheet SDS

  • Boc-N-methyl-tranexamic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    trans-4-(Boc-methylaminomethyl)cyclohexane carboxylic acid
    Catalog Number:
    22644
    CAS Number:
    165947-29-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06656432
    Molecular Formula:
    C14H25NO4
    Molecular Weight:
    271.36
    Specification Sheet SDS

  • Boc-methylaminooxyacetic acid·DCHA

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    22639
    CAS Number:
    1185005-62-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06656434
    Molecular Formula:
    C20H38N2O5
    Molecular Weight:
    386.53
    Specification Sheet SDS

  • Fmoc-N-methyl-tranexamic acid

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    trans-4-(Fmoc-methylaminomethyl)cyclohexane carboxylic acid
    Catalog Number:
    22645
    CAS Number:
    173690-50-1
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD06656462
    Molecular Formula:
    C24H27NO4
    Molecular Weight:
    393.48
    Specification Sheet SDS

  • (2R,4S)-Fmoc-4-hydroxypiperidine-2-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    22638
    CAS Number:
    917099-02-6
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD06410973
    Molecular Formula:
    C21H21NO5
    Molecular Weight:
    367.4
    Specification Sheet SDS

  • (2R,4S)-Boc-4-hydroxypiperidine-2-carboxylic acid

    Purity:
    ≥ 97% (NMR)
    Catalog Number:
    22637
    CAS Number:
    917835-93-9, 1212688-40-8
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD06410967
    Molecular Formula:
    C11H19NO5
    Molecular Weight:
    245.28
    Specification Sheet SDS

  • DL-Ethionine

    Synonym:
    2-Amino-4-(ethylthio)butyric acid
    Catalog Number:
    22060
    CAS Number:
    67-21-0
    MDL NO:
    MFCD00063102
    Molecular Formula:
    C6H13NO2S
    Molecular Weight:
    163.24
    SDS

  • 5-Hydroxy-DL-tryptophan

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    2-Amino-3-(5-hydroxy-1H-indol-3-yl)propanoic acid
    Catalog Number:
    22038
    CAS Number:
    114-03-4, 56-69-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00005651
    Molecular Formula:
    C11H12N2O3
    Molecular Weight:
    220.23
    Specification Sheet SDS

  • 1,4-Diaminobutane

    Hazmat
    Synonym:
    1,4-Butanediamine
    Hazmat
    Catalog Number:
    21982
    CAS Number:
    110-60-1
    MDL NO:
    MFCD00008235
    Molecular Formula:
    C4H12N2
    Molecular Weight:
    88.15
    SDS

  • L-Homoarginine hydrochloride

    Purity:
    ≥ 95% (Assay)
    Synonym:
    (S)-2-Amino-6-guanidinohexanoic acid hydrochloride
    Catalog Number:
    21837
    CAS Number:
    1483-01-8
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD00012622
    Molecular Formula:
    C7H16N4O2·HCl
    Molecular Weight:
    224.69
    Specification Sheet SDS

  • DL-Penicillamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DL-Pen-OH
    Catalog Number:
    21824
    CAS Number:
    52-66-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00004856
    Molecular Formula:
    C5H11NO2S
    Molecular Weight:
    149.21
    Specification Sheet SDS

  • Indoline-2-carboxylic acid

    Synonym:
    DL-2,3-Dihydroindole-2-carboxylic acid
    Catalog Number:
    21815
    CAS Number:
    16851-56-2
    MDL NO:
    MFCD00010635
    Molecular Formula:
    C9H9NO2
    Molecular Weight:
    163.18
    SDS

  • N-Acetyl-3,5-diiodo-L-tyrosine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    3,5-Diiodo-N-acetyl-L-tyrosine
    Catalog Number:
    21797
    CAS Number:
    1027-28-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00020004
    Molecular Formula:
    C11H11I2NO4
    Molecular Weight:
    475.01
    Specification Sheet SDS

  • L-Kynurenine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    L-2-Amino-3-(2-aminobenzoyl)propionic acid
    Catalog Number:
    21798
    CAS Number:
    2922-83-0
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00069912
    Molecular Formula:
    C10H12N2O3
    Molecular Weight:
    208.22
    Specification Sheet SDS

  • 3,5-Diiodo-L-tyrosine dihydrate

    Synonym:
    3,5-Diiodo-β-(p-hydroxyphenyl)-L-alanine dihydrate
    Catalog Number:
    21791
    CAS Number:
    18835-59-1
    MDL NO:
    MFCD00150275
    Molecular Formula:
    C9H9I2NO3·2H2O
    Molecular Weight:
    469.0
    SDS

  • 5-Amino-4-oxovaleric acid methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Aminolevulinic acid methyl ester hydrochloride
    Catalog Number:
    21778
    CAS Number:
    79416-27-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00012868
    Molecular Formula:
    C6H11NO3·HCl
    Molecular Weight:
    181.62
    Specification Sheet SDS

  • DL-Kynurenine

    Synonym:
    DL-2-Amino-3-(2-aminobenzoyl)propionic acid
    Catalog Number:
    21748
    CAS Number:
    343-65-7
    MDL NO:
    MFCD00025194
    Molecular Formula:
    C10H12N2O3
    Molecular Weight:
    208.22
    SDS

  • b-Aminoisobutyric acid

    Synonym:
    DL-3-Amino-2-methyl-propionic acid
    Catalog Number:
    21653
    CAS Number:
    10569-72-9
    MDL NO:
    MFCD00008145
    Molecular Formula:
    C4H9NO2
    Molecular Weight:
    103.12
    SDS

  • DL-Citrulline

    Synonym:
    DL-Cit-OH
    Catalog Number:
    21637
    CAS Number:
    627-77-0
    MDL NO:
    MFCD00007955
    Molecular Formula:
    C6H13N3O3
    Molecular Weight:
    175.19
    SDS

  • 5-Aminovaleric acid hydrochloride

    Synonym:
    5-Ava-OH·HCl
    Catalog Number:
    21636
    CAS Number:
    627-95-2
    MDL NO:
    MFCD00012919
    Molecular Formula:
    C5H11NO2·HCl
    Molecular Weight:
    153.61
    SDS

  • 3-Carbethoxy-2-piperidone

    Synonym:
    2-Oxopiperidine-3-carboxylic acid ethyl ester
    Catalog Number:
    21565
    CAS Number:
    3731-16-6
    MDL NO:
    MFCD00006038
    Molecular Formula:
    C8H13NO3
    Molecular Weight:
    171.2
    SDS

  • DL-o-Tyrosine

    Synonym:
    H-DL-o-Tyr-OH
    Catalog Number:
    21532
    CAS Number:
    2370-61-8
    MDL NO:
    MFCD00021725
    Molecular Formula:
    C9H11NO3
    Molecular Weight:
    181.19
    SDS

  • 5-Methoxy-DL-tryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-Amino-3-(5-methoxy-1H-indol-3-yl)propanoic acid
    Catalog Number:
    21206
    CAS Number:
    28052-84-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005650
    Molecular Formula:
    C12H14N2O3
    Molecular Weight:
    234.25
    Specification Sheet SDS

  • 3-Fluoro-DL-tyrosine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    DL-m-Fluorotyrosine
    Catalog Number:
    21178
    CAS Number:
    403-90-7, 139-26-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00063075
    Molecular Formula:
    C9H10FNO3
    Molecular Weight:
    199.18
    Specification Sheet SDS

  • 5-Methoxy-L-tryptophan

    Purity:
    ≥ 98% (HPLC, Chiral purity)
    Synonym:
    H-L-Trp(5-OMe)-OH
    Catalog Number:
    20925
    CAS Number:
    25197-96-0
    Purity Limit:
    ≥ 98% (HPLC, Chiral purity)
    MDL NO:
    MFCD01074513
    Molecular Formula:
    C12H14N2O3
    Molecular Weight:
    234.25
    Specification Sheet SDS

  • 3-Nitro-L-tyrosine ethyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    H-3-Nitro-Tyr-OEt·HCl
    Catalog Number:
    20971
    CAS Number:
    66737-54-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06804676
    Molecular Formula:
    C11H14N2O5·HCl
    Molecular Weight:
    290.7
    Specification Sheet SDS

  • 2-Methyl-DL-tryptophan

    Purity:
    ≥ 97% (Assay)
    Synonym:
    DL-2-Amino-3-(2-methylindolyl)propionic acid
    Catalog Number:
    20957
    CAS Number:
    21495-41-0
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD03005300
    Molecular Formula:
    C12H14N2O2
    Molecular Weight:
    218.26
    Specification Sheet SDS

  • 5-Amino-DL-tryptophan

    Purity:
    98 - 102% (Assay by titration)
    Synonym:
    DL-2-Amino-3-(5-aminoindolyl)propionic acid
    Catalog Number:
    20988
    CAS Number:
    6383-69-3
    Purity Limit:
    98 - 102% (Assay by titration)
    MDL NO:
    MFCD02683918
    Molecular Formula:
    C11H13N3O2
    Molecular Weight:
    219.24
    Specification Sheet SDS

  • Nonanoic acid 4-methylumbelliferyl ester

    Synonym:
    4-Mu-Nonanoate
    Catalog Number:
    20977
    CAS Number:
    18319-93-2
    MDL NO:
    MFCD00051220
    Molecular Formula:
    C19H24O4
    Molecular Weight:
    316.4
    SDS

  • 3-Nitro-D-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R-2-Amino-3-(4-hydroxy-3-nitrophenyl)propionic acid
    Catalog Number:
    20970
    CAS Number:
    32988-39-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02684446
    Molecular Formula:
    C9H10N2O5
    Molecular Weight:
    226.19
    Specification Sheet SDS

  • 3,5-Dinitro-L-tyrosine monohydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3,5-Dinitro-L-Tyr-OH·H2O
    Catalog Number:
    20903
    CAS Number:
    17360-11-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00150534
    Molecular Formula:
    C9H9N3O7·H2O
    Molecular Weight:
    289.2
    Specification Sheet SDS

  • N-(2-Aminoethyl)phthalimide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(2-Aminoethyl)-1H-isoindole-1,3(2H-dione hydrochloride
    Catalog Number:
    20801
    CAS Number:
    30250-67-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD08272836
    Molecular Formula:
    C10H10N2O2·HCl
    Molecular Weight:
    226.7
    Specification Sheet SDS
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