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Unusual Amino Acids

2217
Filters

  • (R,S)-1,3-Dihydro-2H-isoindole carboxylic acid hydrochloride salt

    Purity:
    ≥ 97.0% (Assay)
    Synonym:
    DL-Disc-OH·HCl
    Catalog Number:
    07177
    CAS Number:
    66938-02-1
    Purity Limit:
    ≥ 97.0% (Assay)
    MDL NO:
    MFCD01318494
    Molecular Formula:
    C9H9NO2·HCl
    Molecular Weight:
    199.65
  • L-Cyclopentylglycine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Gly(cyclopentyl)-OH
    Catalog Number:
    07174
    CAS Number:
    2521-84-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD03788076
    Molecular Formula:
    C7H13NO2
    Molecular Weight:
    143.1
  • 4-tert-Butyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC, Chiral purity)
    Synonym:
    L-Phe(4-tBu)-OH
    Catalog Number:
    07023
    CAS Number:
    82372-74-5
    Purity Limit:
    ≥ 98% (HPLC, Chiral purity)
    MDL NO:
    MFCD02259528
    Molecular Formula:
    C13H19NO2
    Molecular Weight:
    221.34
  • 3-(3'-Pyridyl)-DL-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DL-Ala(3'-pyridyl)-OH
    Catalog Number:
    07082
    CAS Number:
    17470-24-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259525
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • 4-Carboxy-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(4-COOH)-OH
    Catalog Number:
    07030
    CAS Number:
    126109-42-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01318768
    Molecular Formula:
    C10H11NO4
    Molecular Weight:
    209.46
  • 4-Methyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(4-Me)-OH
    Catalog Number:
    07070
    CAS Number:
    49759-61-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00152137
    Molecular Formula:
    C10H13NO2
    Molecular Weight:
    179.23
  • 3-(2-Naphthyl)-L-alanine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Ala(2-naphthyl)-OBzl·TosOH
    Catalog Number:
    07080
    CAS Number:
    126829-54-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259526
    Molecular Formula:
    C20H19NO2·C7H8O3S
    Molecular Weight:
    477.58
  • 4-Piperidino-L-proline hydrochloride

    Purity:
    99%
    Synonym:
    (4-Piperidino)-L-Pro-OH·HCl
    Catalog Number:
    07189
    Purity Limit:
    99%
    MDL NO:
    MFCD19444036
    Molecular Formula:
    C15H18N2O2·HCl
    Molecular Weight:
    234.76
  • 3,4-Dehydro-L-proline amide hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    3,4-Dehydro-L-Pro-NH2·HCl
    Catalog Number:
    07037
    CAS Number:
    64869-59-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00039000
    Molecular Formula:
    C5H8N2O·HCl
    Molecular Weight:
    148.54
  • Fmoc-1-aminocyclohexane carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-homocycloleucine
    Catalog Number:
    07000
    CAS Number:
    162648-54-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00273464
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.4
  • Nα-Acetyl-5-methyl-DL-tryptophan

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-DL-Trp(5-Me)-OH
    Catalog Number:
    06999
    CAS Number:
    71953-90-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00055984
    Molecular Formula:
    C14H16N2O3
    Molecular Weight:
    260.32
  • Ac-4,5-dehydro-L-leucine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-4,5-dehydro-L-Leu-OH
    Catalog Number:
    06997
    CAS Number:
    88547-24-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00237465
    Molecular Formula:
    C8H13NO3
    Molecular Weight:
    171.2
  • 3-(4'-Pyridyl)-D-alanine

    Purity:
    ≥ 98%
    Synonym:
    D-Ala(4'-pyridyl)-OH
    Catalog Number:
    06925
    CAS Number:
    37535-50-5
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01860874
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • β-Cyclohexyl-D-alanine methyl ester hydrochloride

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    D-Cha-OMe·HCl
    Catalog Number:
    06931
    CAS Number:
    144644-00-8
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00797542
    Molecular Formula:
    C10H19NO2·HCl
    Molecular Weight:
    221.7
  • 5-Aminovaleric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Ava-OH
    Catalog Number:
    06917
    CAS Number:
    660-88-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00008232
    Molecular Formula:
    C5H11NO2
    Molecular Weight:
    117.15
  • 3-(4'-Pyridyl)-L-alanine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-Ala(4'-pyridyl)-OH
    Catalog Number:
    06924
    CAS Number:
    37535-49-2
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01860883
    Molecular Formula:
    C8H10N2O2
    Molecular Weight:
    166.17
  • DL-Nipecotic acid

    Purity:
    ≥ 98.5% (by perchloric acid ), ≥ 98.5% (by NaOH)
    Synonym:
    DL-Nip-OH
    Catalog Number:
    06902
    CAS Number:
    498-95-3
    Purity Limit:
    ≥ 98.5% (by perchloric acid ), ≥ 98.5% (by NaOH)
    MDL NO:
    MFCD00005992
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • Iminodiacetic acid

    Purity:
    ≥ 98.5% (Assay by titration)
    Synonym:
    Dimethylamine dicarboxylic acid
    Catalog Number:
    06898
    CAS Number:
    142-73-4
    Purity Limit:
    ≥ 98.5% (Assay by titration)
    MDL NO:
    MFCD00004280
    Molecular Formula:
    C4H7NO4
    Molecular Weight:
    133.1
  • 1-Aminocyclohexane carboxylic acid

    Purity:
    ≥ 98% (Titration)
    Synonym:
    Homocycoleucine
    Catalog Number:
    06858
    CAS Number:
    2756-85-6
    Purity Limit:
    ≥ 98% (Titration)
    MDL NO:
    MFCD00001487
    Molecular Formula:
    C7H13NO2
    Molecular Weight:
    143.19
  • Isonipecotic acid

    Purity:
    ≥ 99% (Titration)
    Synonym:
    Inp-OH
    Catalog Number:
    06897
    CAS Number:
    498-94-2
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00006004
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • S-4-Methoxybenzyl-D-penicillamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Pen(pMeOBzl)-OH
    Catalog Number:
    06854
    CAS Number:
    53599-14-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03788058
    Molecular Formula:
    C13H19NO3S
    Molecular Weight:
    269.34
  • S-4-Methylbenzyl-L-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Pen(pMeBzl)-OH
    Catalog Number:
    06852
    CAS Number:
    1039102-11-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788056
    Molecular Formula:
    C13H19NO2S
    Molecular Weight:
    253.2
  • 3-Aminobenzoic acid

    Purity:
    ≥ 98.5% (assay)
    Synonym:
    3-Abz-OH
    Catalog Number:
    06887
    CAS Number:
    99-05-8
    Purity Limit:
    ≥ 98.5% (assay)
    MDL NO:
    MFCD00007795
    Molecular Formula:
    C7H7NO2
    Molecular Weight:
    137.14
  • S-4-Methylbenzyl-D-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Pen(pMeBzl)-OH
    Catalog Number:
    06853
    CAS Number:
    1330286-51-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788057
    Molecular Formula:
    C13H19NO2S
    Molecular Weight:
    253.2
  • trans-L-4-Hydroxyproline ethyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Hyp-OEt·HCl
    Catalog Number:
    06693
    CAS Number:
    33996-30-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00040589
    Molecular Formula:
    C7H13NO3·HCl
    Molecular Weight:
    195.62
  • Z-L-pyroglutamic acid dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Pyr-OH·DCHA
    Catalog Number:
    06755
    CAS Number:
    38596-35-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03788049
    Molecular Formula:
    C13H13NO5·C12H23N
    Molecular Weight:
    444.53
  • Ethyl 1-aminocyclopropanecarboxylate hydrochloride

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Acpc-OEt·HCl
    Catalog Number:
    06699
    CAS Number:
    42303-42-4
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00190747
    Molecular Formula:
    C6H11NO2·HCl
    Molecular Weight:
    165.62
  • Z-β-cyclohexyl-D-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Cha-OH
    Catalog Number:
    06573
    CAS Number:
    154802-74-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191080
    Molecular Formula:
    C7H23NO4
    Molecular Weight:
    305.28
  • Z-L-trans-4-hydroxyproline methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Hyp-OMe
    Catalog Number:
    06503
    CAS Number:
    64187-48-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00055851
    Molecular Formula:
    C14H17NO5
    Molecular Weight:
    279.3
  • Z-β-tert-butyl-L-alanine·DCHA

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-β-tBu-L-Ala-OH·DCHA
    Catalog Number:
    06542
    CAS Number:
    88319-45-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02259500
    Molecular Formula:
    C15H21NO4·C12H23N
    Molecular Weight:
    460.3
  • Catalog Number:
    06516
    CAS Number:
    201668-30-6
    Purity Limit:
    99%
    MDL NO:
    MFCD00237378
    Molecular Formula:
    C18H25NO6·C12H23N
    Molecular Weight:
    532.82
  • Z-L-α-aminoadipic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Z-L-Aad-OH
    Catalog Number:
    06515
    CAS Number:
    24325-14-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237377
    Molecular Formula:
    C14H17NO6
    Molecular Weight:
    295.2
  • Z-D-norleucine 4-nitrophenyl ester

    Purity:
    99%
    Synonym:
    Z-D-Nle-ONp
    Catalog Number:
    06439
    CAS Number:
    31062-20-1
    Purity Limit:
    99%
    MDL NO:
    MFCD00057617
    Molecular Formula:
    C20H22N2O6
    Molecular Weight:
    386.4
  • Z-β-tert-butyl-D-alanine·DCHA

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-β-tBu-Ala-OH·DCHA
    Catalog Number:
    06438
    CAS Number:
    201677-20-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259501
    Molecular Formula:
    C15H21NO4·C12H23N
    Molecular Weight:
    460.65
  • Z-D-phenylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Phg-OH
    Catalog Number:
    06446
    CAS Number:
    17609-52-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00021703
    Molecular Formula:
    C16H15NO4
    Molecular Weight:
    285.3
  • Z-3-(1-naphthyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Ala(1-naphthyl)-OH
    Catalog Number:
    06418
    CAS Number:
    96402-43-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672544
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.37
  • Z-3-(2-naphthyl)-D-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-D-Ala(2-naphthyl)-OH
    Catalog Number:
    06419
    CAS Number:
    143218-10-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00171382
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.37
  • Z-cis-L-4-hydroxyproline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-cis-L-Hyp-OH
    Catalog Number:
    06415
    CAS Number:
    13504-86-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00238423
    Molecular Formula:
    C13H15NO5
    Molecular Weight:
    265.3
  • Z-γ-carboxy-γ-(di-tert-butyl ester)-DL-glutamic acid

    Purity:
    99%
    Synonym:
    Z-γ-carboxy-γ-(di-tert-butyl ester)-DL-glutamic acid
    Catalog Number:
    06373
    CAS Number:
    56877-43-1
    Purity Limit:
    99%
    MDL NO:
    MFCD00066103
    Molecular Formula:
    99%
    Molecular Weight:
    437.52
  • Z-γ-carboxy-γ-(di-tert-butyl ester)-L-glutamic acid

    Purity:
    99%
    Synonym:
    Z-L-Gla(OtBu)2-OH
    Catalog Number:
    06374
    CAS Number:
    60686-50-2
    Purity Limit:
    99%
    MDL NO:
    MFCD00066104
    Molecular Formula:
    C22H31NO8
    Molecular Weight:
    437.52
  • Z-α-aminoisobutyric acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-Aib-OH
    Catalog Number:
    06379
    CAS Number:
    15030-72-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00004190
    Molecular Formula:
    C12H15NO4
    Molecular Weight:
    237.3
  • Z-3-(1-naphthyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Ala(1-naphthyl)-OH
    Catalog Number:
    06375
    CAS Number:
    65365-15-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00238419
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.37
  • Z-3-aminobenzoic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Z-3-Abz-OSu
    Catalog Number:
    06378
    CAS Number:
    129666-48-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00238395
    Molecular Formula:
    C19H16N2O6
    Molecular Weight:
    368.68
  • Sarcosine amide hydrochloride

    Purity:
    ≥ 99% (Assay by titration on dried basis)
    Synonym:
    Sar-NH2·HCl
    Catalog Number:
    06366
    CAS Number:
    5325-64-4
    Purity Limit:
    ≥ 99% (Assay by titration on dried basis)
    MDL NO:
    MFCD00058283
    Molecular Formula:
    C3H8N2O·HCl
    Molecular Weight:
    124.57
  • Z-3-(2-naphthyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Ala(2-naphthyl)-OH
    Catalog Number:
    06377
    CAS Number:
    65365-16-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063338
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.37
  • Z-γ-carboxy-γ-(di-tert-butyl ester)-D-glutamic acid

    Purity:
    99%
    Synonym:
    Z-D-Gla(OtBu)2-OH
    Catalog Number:
    06371
    CAS Number:
    60868-52-4
    Purity Limit:
    99%
    MDL NO:
    MFCD00038757
    Molecular Formula:
    C22H31NO8
    Molecular Weight:
    437.52
  • Sarcosine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Sar-OBzl·TosOH
    Catalog Number:
    06368
    CAS Number:
    54384-06-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00191015
    Molecular Formula:
    C10H13NO2·C7H8O3S
    Molecular Weight:
    351.4
  • Sarcosine dimethylamide hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Sar-NMe2·HCl
    Catalog Number:
    06367
    CAS Number:
    1857-20-1
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD06795812
    Molecular Formula:
    C5H12N2O·HCl
    Molecular Weight:
    152.66
  • Nα-Z-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Z-L-Dap-OH
    Catalog Number:
    06328
    CAS Number:
    35761-26-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00237345
    Molecular Formula:
    C11H14N2O4
    Molecular Weight:
    238.48
  • N-Methyl-α-aminoisobutyric acid hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    N-Me-Aib-OH·HCl
    Catalog Number:
    06334
    CAS Number:
    2566-34-9
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06795786
    Molecular Formula:
    C5H11NO2·HCl
    Molecular Weight:
    153.62