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🌟 NEW: Customizable Macrocyclic Peptide Libraries

Unusual Amino Acids

2217
Filters

  • Boc-(3S-3-amino-1-carboxymethyl-caprolactame

    Purity:
    ≥ 97% (NMR)
    Catalog Number:
    07352
    CAS Number:
    79839-29-5
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD00673777
    Molecular Formula:
    C13H22N2O5
    Molecular Weight:
    286.32
    Specification Sheet SDS

  • Fmoc-(2R,5S-5-phenylpyrrolidine-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    07344
    CAS Number:
    269078-69-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01074695
    Molecular Formula:
    C26H23NO4
    Molecular Weight:
    413.51
    Specification Sheet SDS

  • S-Benzyl-D-penicillamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Pen(Bzl)-OH
    Catalog Number:
    07299
    CAS Number:
    54536-38-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788087
    Molecular Formula:
    C12H17NO2S
    Molecular Weight:
    238.6
    Specification Sheet SDS

  • Boc-(2S,4S-4-phenylpyrrolidine-2-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Catalog Number:
    07345
    CAS Number:
    96314-29-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD01321010
    Molecular Formula:
    C16H21NO4
    Molecular Weight:
    291.32
    Specification Sheet SDS

  • Boc-3-(2-aminoethyl)-1-carboxymethylquinazoline-2,4-dione

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-Acq-OH
    Catalog Number:
    07358
    CAS Number:
    215190-30-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02179635
    Molecular Formula:
    C17H21N3O6
    Molecular Weight:
    363.36
    Specification Sheet SDS

  • Fmoc-3,4-dimethoxy-D-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Phe(3,4-dimethoxy)-OH
    Catalog Number:
    07336
    CAS Number:
    218457-81-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01317731
    Molecular Formula:
    C26H25NO6
    Molecular Weight:
    447.5
    Specification Sheet SDS

  • Fmoc-iminodiacetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Ida-OH
    Catalog Number:
    07341
    CAS Number:
    112918-82-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01321017
    Molecular Formula:
    C19H17NO6
    Molecular Weight:
    355.35
    Specification Sheet SDS

  • Fmoc-3-styryl-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Ala(styryl)-OH
    Catalog Number:
    07348
    CAS Number:
    215190-23-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01311775
    Molecular Formula:
    C26H23NO4
    Molecular Weight:
    413.48
    Specification Sheet SDS

  • Boc-4-piperidino-L-proline

    Purity:
    ≥ 97% (Assay)
    Synonym:
    Boc-(4-piperidino)-L-Pro-OH
    Catalog Number:
    07347
    CAS Number:
    221352-39-2
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD01861211
    Molecular Formula:
    C15H26N2O4
    Molecular Weight:
    298.38
    Specification Sheet SDS

  • Fmoc-2-(2-aminoethoxy)-ethylamine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-[2-(Fmoc-amino)ethoxy]ethylamine hydrochloride
    Catalog Number:
    07357
    CAS Number:
    221352-88-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321025
    Molecular Formula:
    C19H22N2O3·HCl
    Molecular Weight:
    362.85
    Specification Sheet SDS

  • Boc-4-carboxymethyl-piperidine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-Cmp-OH
    Catalog Number:
    07331
    CAS Number:
    157688-46-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00800239
    Molecular Formula:
    C12H21NO4
    Molecular Weight:
    243.3
    Specification Sheet SDS

  • Fmoc-3-styryl-L-alanine

    Purity:
    ≥ 98%
    Synonym:
    Fmoc-L-Ala(styryl)-OH
    Catalog Number:
    07349
    CAS Number:
    159610-82-9
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01311748
    Molecular Formula:
    C26H23NO4
    Molecular Weight:
    413.48
    Specification Sheet SDS

  • Fmoc-homocyclohexyl-L-alanine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Fmoc-L-HomoCha-OH
    Catalog Number:
    07338
    CAS Number:
    269078-73-1
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD02179645
    Molecular Formula:
    C25H29NO4
    Molecular Weight:
    407.52
    Specification Sheet SDS

  • Fmoc-(R,S-3-amino-3-(4-bromophenyl)propionic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-DL-β-Phe(4-Br)-OH
    Catalog Number:
    07309
    CAS Number:
    269078-76-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01863199
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.35
    Specification Sheet SDS

  • Fmoc-(2S,4S-4-phenylpyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    07346
    CAS Number:
    269078-71-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01074697
    Molecular Formula:
    C26H23NO4
    Molecular Weight:
    413.45
    Specification Sheet SDS

  • Boc-(2R,5S)-5-phenylpyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    07342
    CAS Number:
    158706-46-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321009
    Molecular Formula:
    C16H21NO4
    Molecular Weight:
    291.32
    Specification Sheet SDS

  • Boc-L-azetidine-2-carboxylic acid

    Purity:
    ≥ 99.95% (Chiral HPLC)
    Synonym:
    Boc-(S-azetidine-2-carboxylic acid
    Catalog Number:
    07328
    CAS Number:
    51077-14-6
    Purity Limit:
    ≥ 99.95% (Chiral HPLC)
    MDL NO:
    MFCD01321011
    Molecular Formula:
    C9H15NO4
    Molecular Weight:
    201.23
    Specification Sheet SDS

  • Fmoc-homocyclohexyl-D-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-HomoCha-OH
    Catalog Number:
    07337
    CAS Number:
    269078-72-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02179644
    Molecular Formula:
    C25H29NO4
    Molecular Weight:
    407.52
    Specification Sheet SDS

  • Boc-(2S,5R-5-phenylpyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    07343
    CAS Number:
    221352-49-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321008
    Molecular Formula:
    C16H21NO4
    Molecular Weight:
    291.32
    Specification Sheet SDS

  • Boc-(R-4-amino-6-methyl-heptanoic acid

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-γ-L-leucine
    Catalog Number:
    07316
    CAS Number:
    146453-32-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01074530
    Molecular Formula:
    C13H25NO4
    Molecular Weight:
    259.35
    Specification Sheet SDS

  • L-3,4-Dimethoxyphenylalanine

    Purity:
    ≥ 95% (Assay)
    Synonym:
    L-Phe(3,4-Dimethoxy)-OH
    Catalog Number:
    07287
    CAS Number:
    32161-30-1
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD01321274
    Molecular Formula:
    C11H15NO4
    Molecular Weight:
    225.24
    Specification Sheet SDS

  • Boc-(R,S-1,3-dihydro-2H-isoindole carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-DL-Disc-OH
    Catalog Number:
    07334
    CAS Number:
    221352-46-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01321007
    Molecular Formula:
    C14H17NO4
    Molecular Weight:
    263.31
    Specification Sheet SDS

  • Fmoc-3,4-dimethoxy-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Phe(3,4-Dimethoxy)-OH
    Catalog Number:
    07335
    CAS Number:
    184962-88-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01317730
    Molecular Formula:
    C26H25NO6
    Molecular Weight:
    447.5
    Specification Sheet SDS

  • Boc-2-aminotetraline-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-(D,L)-2-aminotetraline-2-carboxylic acid
    Catalog Number:
    07325
    CAS Number:
    98569-12-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800586
    Molecular Formula:
    C16H21NO4
    Molecular Weight:
    291.34
    Specification Sheet SDS

  • Fmoc-4-aminomethylphenylacetic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    07318
    CAS Number:
    176504-01-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321022
    Molecular Formula:
    C24H21NO4
    Molecular Weight:
    387.43
    Specification Sheet SDS

  • Boc-Phe(3,4-dimethoxy)-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-3,4-dimethoxy-L-phenylalanine
    Catalog Number:
    07289
    CAS Number:
    127095-97-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01317724
    Molecular Formula:
    C16H23NO6
    Molecular Weight:
    325.36
    Specification Sheet SDS

  • Boc-(R,S)-2-carboxymorpholine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-(R,S)-Cop-OH
    Catalog Number:
    07332
    CAS Number:
    189321-66-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01321006
    Molecular Formula:
    C10H17NO5
    Molecular Weight:
    231.25
    Specification Sheet SDS

  • Boc-2-aminoindane-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Aic-OH
    Catalog Number:
    07314
    CAS Number:
    71066-00-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800597
    Molecular Formula:
    C15H19NO4
    Molecular Weight:
    277.32
    Specification Sheet SDS

  • Boc-(R,S-1-aminoindane-1-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-DL-1-aminoindane-1-carboxylic acid
    Catalog Number:
    07312
    CAS Number:
    214139-26-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00800596
    Molecular Formula:
    C15H19NO5
    Molecular Weight:
    277.32
    Specification Sheet SDS

  • Fmoc-(R)-4-amino-6-methyl-heptanoic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-γ-L-leucine
    Catalog Number:
    07317
    CAS Number:
    269078-75-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02094561
    Molecular Formula:
    C23H27NO4
    Molecular Weight:
    381.48
    Specification Sheet SDS

  • Fmoc-(R,S-3-amino-3-(1-naphthyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-DL-β-Ala-(1-naphthyl)-OH
    Catalog Number:
    07320
    CAS Number:
    269078-77-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02090642
    Molecular Formula:
    C28H23NO4
    Molecular Weight:
    437.5
    Specification Sheet SDS

  • Fmoc-(R,S-1-aminoindane-1-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-DL-1-aminoindane-1-carboxylic acid
    Catalog Number:
    07313
    CAS Number:
    214139-28-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321019
    Molecular Formula:
    C25H21NO4
    Molecular Weight:
    399.45
    Specification Sheet SDS

  • Boc-allyl-D-glycine dicyclohexylammonium salt

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    Boc-D-Gly(allyl)-OH·DCHA
    Catalog Number:
    07304
    CAS Number:
    221352-64-3
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD01321012
    Molecular Formula:
    C10H17NO4·C12H23N
    Molecular Weight:
    396.57
    Specification Sheet SDS

  • Boc-3,4-Dimethoxy-D-phenylalanine

    Purity:
    ≥ 98.0% (Chiral HPLC)
    Synonym:
    Boc-D-Phe(3,4-dimethoxy)-OH
    Catalog Number:
    07288
    CAS Number:
    218457-71-7
    Purity Limit:
    ≥ 98.0% (Chiral HPLC)
    MDL NO:
    MFCD01317725
    Molecular Formula:
    C16H23NO6
    Molecular Weight:
    325.36
    Specification Sheet SDS

  • S-Acetamidomethyl-D-penicillamine hydrochloride

    Purity:
    ≥ 99%
    Synonym:
    D-Pen(Acm)-OH·HCl
    Catalog Number:
    07294
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD08458518
    Molecular Formula:
    C8H16N2O3S·HCl
    Molecular Weight:
    256.9
    Specification Sheet SDS

  • Boc-allyl-L-glycine dicyclohexylammonium salt

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    Boc-Gly(allyl)-OH·DCHA
    Catalog Number:
    07305
    CAS Number:
    143979-15-1
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD01321013
    Molecular Formula:
    C10H17NO4·C12H23N
    Molecular Weight:
    396.57
    Specification Sheet SDS

  • D-meta-Tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    m-D-Tyr-OH
    Catalog Number:
    07273
    CAS Number:
    32140-49-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03788083
    Molecular Formula:
    C9H11NO3
    Molecular Weight:
    181.19
    Specification Sheet SDS

  • Fmoc-D-cyclopentylglycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Gly(cyclopentyl)-OH
    Catalog Number:
    07246
    CAS Number:
    136555-16-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01311778
    Molecular Formula:
    C22H23NO4
    Molecular Weight:
    365.2
    Specification Sheet SDS

  • Fmoc-β-cyclopropyl-D-alanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-β-cyclopropyl-D-Ala-OH
    Catalog Number:
    07241
    CAS Number:
    170642-29-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD02259484
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.3
    Specification Sheet SDS

  • D-3-Methoxyphenylalanine

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    D-Phe(3-OMe)-OH
    Catalog Number:
    07240
    CAS Number:
    145306-65-6
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD03788082
    Molecular Formula:
    C10H13NO3
    Molecular Weight:
    195.2
    Specification Sheet SDS

  • 5-Aminovaleric acid benzyl ester p-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Ava-OBzl·TosOH
    Catalog Number:
    07008
    CAS Number:
    63649-14-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237402
    Molecular Formula:
    C12H17NO2·C7H8O3S
    Molecular Weight:
    379.5
    Specification Sheet SDS

  • cis-D-4-Hydroxyproline

    Purity:
    99 - 101% (Assay)
    Synonym:
    D-cis-Hyp-OH
    Catalog Number:
    07214
    CAS Number:
    2584-71-6
    Purity Limit:
    99 - 101% (Assay)
    MDL NO:
    MFCD00005252
    Molecular Formula:
    C5H9NO3
    Molecular Weight:
    131.1
    Specification Sheet SDS

  • 3-(9-Anthryl)-L-alanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    3-Ala(9-anthryl)-OH
    Catalog Number:
    07170
    CAS Number:
    100896-08-0
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD03788073
    Molecular Formula:
    C17H15NO2
    Molecular Weight:
    265.31
    Specification Sheet SDS

  • Trityl-1,6-diaminohexane acetate salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N-Trityl-1,6-hexanediamine acetate salt
    Catalog Number:
    07150
    CAS Number:
    325708-26-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01632434
    Molecular Formula:
    C25H30N2·C2H4O2
    Molecular Weight:
    418.6
    Specification Sheet SDS

  • N-Methylaminocyclopropane-1-carboxylic acid hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    N-Methyl-Acpc-OH·HCl
    Catalog Number:
    07074
    CAS Number:
    99324-91-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD06795808
    Molecular Formula:
    C5H9NO2·HCl
    Molecular Weight:
    151.82
    Specification Sheet SDS

  • 4-Amino-1-methylpyrrole-2-carboxylic acid methyl ester hydrochloride

    Purity:
    ≥ 95%
    Synonym:
    5-Methoxycarbonyl-1-methyl-1H-pyrrol-3-yl-ammonium chloride
    Catalog Number:
    07007
    CAS Number:
    180258-45-1
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD01318761
    Molecular Formula:
    C7H10N2O2·HCl
    Molecular Weight:
    190.63
    Specification Sheet SDS

  • D-Cyclopentylglycine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    D-Gly(cyclopentyl)-OH
    Catalog Number:
    07173
    CAS Number:
    2521-86-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD03788075
    Molecular Formula:
    C7H13NO2
    Molecular Weight:
    143.1
    Specification Sheet SDS

  • DL-Propargylglycine

    Purity:
    ≥ 98%
    Synonym:
    DL-Propargyl-Gly-OH
    Catalog Number:
    07081
    CAS Number:
    64165-64-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00056728
    Molecular Formula:
    C5H7NO2
    Molecular Weight:
    113.1
    Specification Sheet SDS

  • Fmoc-4-aminomethylcyclohexane carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-4-Amc-OH
    Catalog Number:
    07122
    CAS Number:
    188715-40-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862347
    Molecular Formula:
    C23H25NO4
    Molecular Weight:
    379.41
    Specification Sheet SDS

  • Fmoc-1,2-diaminoethane·HCl

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-NH(CH2)2NH2·HCl
    Catalog Number:
    07142
    CAS Number:
    391624-46-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00830741
    Molecular Formula:
    C17H18N2O2·HCl
    Molecular Weight:
    318.8
    Specification Sheet SDS
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