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Peptide Chemistry

Peptide Chemistry

6121
We’re here to help you turn your ideas into break-throughs with reliable and precise products — from solid phase synthesis to purification and analysis.

  • 3,3-Diphenyl-L-alanine

    Hazmat
    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    L-Ala(3,3-diphenyl)-OH
    Hazmat
    Catalog Number:
    04129
    CAS Number:
    149597-92-2
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD01631989
    Molecular Formula:
    C15H15NO2
    Molecular Weight:
    241.3
  • Boc-2-fluoro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(2-F)-OH
    Catalog Number:
    04137
    CAS Number:
    114873-10-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672521
    Molecular Formula:
    C14H18FNO4
    Molecular Weight:
    283.2
  • 3,3-Diphenyl-D-alanine

    Purity:
    ≥ 99% (assay)
    Synonym:
    D-Ala(3,3-diphenyl)-OH
    Catalog Number:
    04130
    CAS Number:
    149597-91-1
    Purity Limit:
    ≥ 99% (assay)
    MDL NO:
    MFCD01631990
    Molecular Formula:
    C15H15NO2
    Molecular Weight:
    241.3
  • Boc-3,3-diphenyl-L-alanine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-L-Ala(3,3-diphenyl)-OH
    Catalog Number:
    04131
    CAS Number:
    138662-63-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00191186
    Molecular Formula:
    C20H23NO4
    Molecular Weight:
    341.4
  • Boc-3,3-diphenyl-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Ala(3,3-diphenyl)-OH
    Catalog Number:
    04132
    CAS Number:
    117027-46-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191187
    Molecular Formula:
    C20H23NO4
    Molecular Weight:
    341.4
  • D-3,5-Difluorophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Phe(3,5-DiF)-OH
    Catalog Number:
    04124
    CAS Number:
    266360-63-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01631988
    Molecular Formula:
    C9H9F2NO2
    Molecular Weight:
    201.2
  • Boc-3,4-difluoro-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Phe(3,4-DiF)-OH
    Catalog Number:
    04120
    CAS Number:
    205445-51-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672519
    Molecular Formula:
    C14H17F2NO4
    Molecular Weight:
    301.3
  • Fmoc-3,5-difluoro-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Phe(3,5-DiF)-OH
    Catalog Number:
    04127
    CAS Number:
    205526-24-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00797579
    Molecular Formula:
    C24H19F2NO4
    Molecular Weight:
    423.4
  • Boc-4-cyano-D-phenylalanine

    Purity:
    ≥ 100% (HPLC)
    Synonym:
    Boc-D-Phe(4-CN)-OH
    Catalog Number:
    04113
    CAS Number:
    146727-62-0
    Purity Limit:
    ≥ 100% (HPLC)
    MDL NO:
    MFCD00672527
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
  • Boc-3,5-difluoro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(3,5-DiF)-OH
    Catalog Number:
    04126
    CAS Number:
    205445-53-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00797556
    Molecular Formula:
    C14H17F2NO4
    Molecular Weight:
    301.3
  • Boc-3,5-difluoro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(3,5-DiF)-OH
    Catalog Number:
    04125
    CAS Number:
    205445-52-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00797555
    Molecular Formula:
    C14H17F2NO4
    Molecular Weight:
    301.3
  • Fmoc-3,4-difluoro-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Phe(3,4-DiF)-OH
    Catalog Number:
    04122
    CAS Number:
    198545-59-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672551
    Molecular Formula:
    C24H19F2NO4
    Molecular Weight:
    423.4
  • L-3,5-Difluorophenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(3,5-DiF)-OH
    Catalog Number:
    04123
    CAS Number:
    31105-91-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01631987
    Molecular Formula:
    C9H9F2NO2
    Molecular Weight:
    201.2
  • L-3,4-Difluorophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phe(3,4-DiF)-OH
    Catalog Number:
    04117
    CAS Number:
    31105-90-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01075125
    Molecular Formula:
    C9H9F2NO2
    Molecular Weight:
    201.2
  • Fmoc-4-cyano-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Phe(4-CN)-OH
    Catalog Number:
    04115
    CAS Number:
    205526-34-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672560
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.4
  • Boc-3,4-difluoro-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Phe(3,4-DiF)-OH
    Catalog Number:
    04119
    CAS Number:
    198474-90-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672518
    Molecular Formula:
    C14H17F2NO4
    Molecular Weight:
    301.3
  • D-3,4-Difluorophenylalanine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    D-Phe(3,4-DiF)-OH
    Catalog Number:
    04118
    CAS Number:
    249648-08-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01631986
    Molecular Formula:
    C9H9F2NO2
    Molecular Weight:
    201.2
  • 4-Cyano-D-phenylalanine

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    D-Phe(4-CN)-OH
    Catalog Number:
    04111
    CAS Number:
    263396-44-7
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD00270364
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2
  • 3-Cyano-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Phe(3-CN)-OH
    Catalog Number:
    04105
    CAS Number:
    263396-43-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01631985
    Molecular Formula:
    C10H10N2O2
    Molecular Weight:
    190.2
  • Boc-3-cyano-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Phe(3-CN)-OH
    Catalog Number:
    04107
    CAS Number:
    205445-56-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00797561
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
  • Boc-3-cyano-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(3-CN)-OH
    Catalog Number:
    04106
    CAS Number:
    131980-30-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00797560
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
  • Fmoc-3-chloro-D-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Phe(3-Cl)-OH
    Catalog Number:
    04103
    CAS Number:
    205526-23-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672549
    Molecular Formula:
    C24H20ClNO4
    Molecular Weight:
    421.9
  • Z-L-aspartic acid β-tert-butyl ester monohydrate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Asp(OtBu)-OH·H2O
    Catalog Number:
    03841
    CAS Number:
    5545-52-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00150667
    Molecular Formula:
    C16H21NO6·H2O
    Molecular Weight:
    341.3
  • 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
  • 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-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-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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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-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
  • 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