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Peptide Chemistry

Peptide Chemistry

6119
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.

  • Nα-Boc-Nδ-xanthyl-D-glutamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Gln(Xan)-OH
    Catalog Number:
    05485
    CAS Number:
    99092-88-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151873
    Molecular Formula:
    C23H26N2O6
    Molecular Weight:
    426.5
  • Boc-D-glutamic acid γ-9-fluorenylmethyl ester

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    Boc-D-Glu(OFm)-OH
    Catalog Number:
    05487
    CAS Number:
    123417-20-9
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    MDL NO:
    MFCD00151871
    Molecular Formula:
    C24H27NO6
    Molecular Weight:
    425.5
  • Boc-D-aspartic acid α-tert-butyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Asp-OtBu
    Catalog Number:
    05480
    CAS Number:
    77004-75-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00236827
    Molecular Formula:
    C13H23NO6
    Molecular Weight:
    289.4
  • Boc-S-ethyl-L-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Cys(Et)-OH
    Catalog Number:
    05466
    CAS Number:
    16947-82-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076919
    Molecular Formula:
    C10H19NO4S
    Molecular Weight:
    249.3
  • Boc-S-4-methoxybenzyl-D-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Cys(pMeOBzl)-OH
    Catalog Number:
    05483
    CAS Number:
    58290-35-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076922
    Molecular Formula:
    C16H23NO5S
    Molecular Weight:
    341.4
  • Boc-D-aspartic acid α-benzyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Asp-OBzl
    Catalog Number:
    05477
    CAS Number:
    92828-64-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038264
    Molecular Formula:
    C16H21NO6
    Molecular Weight:
    323.3
  • Nα-Boc-Nγ-xanthyl-D-asparagine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Asn(Xan)-OH
    Catalog Number:
    05475
    CAS Number:
    200192-48-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076910
    Molecular Formula:
    C22H24N2O6
    Molecular Weight:
    412.4
  • Nα-Boc-Nω-(4-methoxy-2,3,6-trimethylbenzenesulfonyl)-D-arginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Arg(Mtr)-OH
    Catalog Number:
    05471
    CAS Number:
    200122-49-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151863
    Molecular Formula:
    C21H34N4O7S
    Molecular Weight:
    486.68
  • Boc-S-Z-aminoethyl-L-cysteine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-L-Cys(Z-NHEt)-OH
    Catalog Number:
    05469
    CAS Number:
    85003-76-5
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00236840
    Molecular Formula:
    C18H26N2O6S
    Molecular Weight:
    398.48
  • Boc-D-aspartic acid β-cyclohexyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Asp(OcHex)-OH
    Catalog Number:
    05476
    CAS Number:
    112898-18-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00060741
    Molecular Formula:
    C15H25NO6
    Molecular Weight:
    315.4
  • Catalog Number:
    05454
    CAS Number:
    68262-71-5
    Purity Limit:
    99%
    MDL NO:
    MFCD00065555
    Molecular Formula:
    C20H32N4O6S·C6H13N
    Molecular Weight:
    555.74
  • Boc-D-allo-isoleucine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-D-allo-Ile-OH
    Catalog Number:
    05470
    CAS Number:
    55780-90-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237543
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
  • Boc-S-methyl-L-cysteine

    Purity:
    ≥ 97%
    Synonym:
    Boc-L-Cys(Me)-OH
    Catalog Number:
    05468
    CAS Number:
    16947-80-1
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00076923
    Molecular Formula:
    C9H17NO4S
    Molecular Weight:
    235.7
  • Boc-L-aspartic acid β-benzyl ester chloromethylketone

    Purity:
    99%
    Synonym:
    Boc-L-Asp(OBzl)-CMK
    Catalog Number:
    05460
    CAS Number:
    172702-58-8
    Purity Limit:
    99%
    MDL NO:
    MFCD00672491
    Molecular Formula:
    C17H22NO5Cl
    Molecular Weight:
    355.82
  • Nα-Acetyl-Nω-(2,2,5,7,8,-pentamethylchroman-6-sulfonyl)-L-arginine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Ac-L-Arg(Pmc)-OH
    Catalog Number:
    05417
    CAS Number:
    163277-77-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00236744
    Molecular Formula:
    C22H34N4O6S
    Molecular Weight:
    482.61
  • Boc-L-aspartic acid β-N-hydroxysuccinimide ester α-benzyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-L-aspartic acid β-N-hydroxysuccinimide ester α-benzyl ester
    Catalog Number:
    05461
    CAS Number:
    140171-25-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00236828
    Molecular Formula:
    C20H24N2O8
    Molecular Weight:
    420.4
  • Boc-3,5-diiodo-L-tyrosine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-3,5-diiodo-L-Tyr-OMe
    Catalog Number:
    05447
    CAS Number:
    128781-80-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237523
    Molecular Formula:
    C15H19I2NO5
    Molecular Weight:
    547.1
  • Boc-S-9-fluorenylmethyl-L-cysteine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Cys(Fm)-OH
    Catalog Number:
    05467
    CAS Number:
    84888-35-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076921
    Molecular Formula:
    C22H25NO4S
    Molecular Weight:
    399.51
  • Boc-cis-L-4-hydroxyproline methyl ester

    Purity:
    ≥ 97%
    Synonym:
    Boc-cis-L-Hyp-OMe
    Catalog Number:
    05464
    CAS Number:
    102195-79-9
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00237541
    Molecular Formula:
    C11H19NO5
    Molecular Weight:
    245.28
  • Nα-Boc-Nω-(methoxybenzenesulfonyl)-L-arginine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-L-Arg(Mbs)-OH
    Catalog Number:
    05453
    CAS Number:
    58810-09-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00134857
    Molecular Formula:
    C18H28N4O7S
    Molecular Weight:
    444.51
  • 7-Aminoheptanoic acid

    Purity:
    ≥ 99%
    Synonym:
    7-Ahp-OH
    Catalog Number:
    05412
    CAS Number:
    929-17-9
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00008242
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
  • Nα-Boc-Nω-(2,2,4,6,7-pentamethylchroman-6-sufonyl)-L-arginine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Arg(Pmc)-OH
    Catalog Number:
    05456
    CAS Number:
    200125-12-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00236823
    Molecular Formula:
    C25H40N4O7S
    Molecular Weight:
    540.69
  • Boc-L-allo-isoleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-allo-L-Ile-OH
    Catalog Number:
    05451
    CAS Number:
    35264-07-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151905
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
  • Nα-Boc-Nω-Z-L-arginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Arg(Z)-OH
    Catalog Number:
    05396
    CAS Number:
    51219-18-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00058482
    Molecular Formula:
    C19H28N4O6
    Molecular Weight:
    408.5
  • Z-dehydroalanine methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-dehydro-Ala-OMe
    Catalog Number:
    05398
    CAS Number:
    21149-17-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00056245
    Molecular Formula:
    C12H13NO4
    Molecular Weight:
    235.2
  • Boc-4,5-dehydro-L-leucine dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-4,5-dehydro-L-Leu-OH·DCHA
    Catalog Number:
    05448
    CAS Number:
    87720-54-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237524
    Molecular Formula:
    C11H19NO4·C12H23N
    Molecular Weight:
    410.6
  • Boc-S-3,4-dimethylbenzyl-L-cysteine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-L-Cys(3,4-dimethylBzl)-OH
    Catalog Number:
    05465
    CAS Number:
    41117-66-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00060743
    Molecular Formula:
    C17H25NO4S
    Molecular Weight:
    339.46
  • Boc-11-aminoundecanoic acid

    Purity:
    ≥ 95%
    Synonym:
    11-(Boc-amino)-undecanoic acid
    Catalog Number:
    05443
    CAS Number:
    10436-25-6
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD00076902
    Molecular Formula:
    C16H31NO4
    Molecular Weight:
    301.4
  • N,S-di-Z-L-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Cys(Z)-OH
    Catalog Number:
    05386
    CAS Number:
    57912-35-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037823
    Molecular Formula:
    C19H19NO6S
    Molecular Weight:
    389.4
  • Ac-Ala-Ala-OH

    Synonym:
    N-Acetyl-L-Ala-L-Ala-OH
    Catalog Number:
    05414
    CAS Number:
    19245-87-5
    MDL NO:
    MFCD00080977
    Molecular Formula:
    C8H14N2O4
    Molecular Weight:
    202.21
  • 2,6-Diaminopimelic acid

    Purity:
    96.5 - 103.5% (Assay by titration)
    Synonym:
    2,6-Diaminoheptanedioic acid
    Catalog Number:
    05411
    CAS Number:
    583-93-7
    Purity Limit:
    96.5 - 103.5% (Assay by titration)
    MDL NO:
    MFCD00002637
    Molecular Formula:
    C7H14N2O4
    Molecular Weight:
    190.2
  • Acetyl-DL-phenylalanine β-naphthyl ester

    Purity:
    99%
    Synonym:
    Ac-DL-Phe-β-naphthyl ester
    Catalog Number:
    05425
    CAS Number:
    20874-31-1
    Purity Limit:
    99%
    MDL NO:
    MFCD00037746
    Molecular Formula:
    C21H19NO3
    Molecular Weight:
    333.39
  • Boc-3,5-diiodo-D-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-3,5-diiodo-D-Tyr-OH
    Catalog Number:
    05444
    CAS Number:
    214630-08-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00798624
    Molecular Formula:
    C14H17I2NO5
    Molecular Weight:
    533.33
  • Leucine benzyloxycarbonylhydrazide trifluoroacetate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Leu-NHNHZ·TFA
    Catalog Number:
    05400
    CAS Number:
    19635-96-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00058483
    Molecular Formula:
    C14H21N3O3·C2HO2F3
    Molecular Weight:
    393.4
  • Ac-Ala-Ala-Ala-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    05413
    CAS Number:
    19245-85-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00002642
    Molecular Formula:
    C11H19N3O5
    Molecular Weight:
    273.29
  • Glycine benzyloxycarbonylhydrazide trifluoroacetate

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Gly-NHNHZ·TFA
    Catalog Number:
    05399
    CAS Number:
    19704-03-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00058603
    Molecular Formula:
    C10H13N3O3·C2HO2F3
    Molecular Weight:
    337.3
  • Z-DL-serine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Z-DL-Ser-OH
    Catalog Number:
    05405
    CAS Number:
    2768-56-1
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00063143
    Molecular Formula:
    C11H13NO5
    Molecular Weight:
    239.2
  • Boc-O-2',6'-dichlorobenzyl-3,5-diiodo-L-tyrosine

    Purity:
    ≥ 99%
    Synonym:
    Boc-3,5-diiodo-L-Tyr(2',6'-DiCl-Bzl)-OH
    Catalog Number:
    05445
    CAS Number:
    201416-66-2
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00076994
    Molecular Formula:
    C21H20Cl2I2NO5
    Molecular Weight:
    694.1
  • Na-Boc-Ne-formyl-L-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Lys(For)-OH
    Catalog Number:
    05389
    CAS Number:
    2483-47-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037361
    Molecular Formula:
    C12H22N2O5
    Molecular Weight:
    274.3
  • Nα-[2,4-Dinitro-5-fluorophenyl]-L-valine amide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    FDNP-L-Val-NH2
    Catalog Number:
    05383
    CAS Number:
    132679-61-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00155636
    Molecular Formula:
    C11H13N4O5F
    Molecular Weight:
    300.3
  • Z-1-aminocyclopropane-1-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-Acpc-OH
    Catalog Number:
    05393
    CAS Number:
    84677-06-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00083285
    Molecular Formula:
    C12H13NO4
    Molecular Weight:
    235.2
  • Nδ-Boc-D-ornithine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    D-Orn(Boc)-OH
    Catalog Number:
    05368
    CAS Number:
    184576-63-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237206
    Molecular Formula:
    C10H20N2O4
    Molecular Weight:
    232.3
  • Nα-Boc-Nε-4-toluenesulfonyl-L-lysine dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Lys(Tos)-OH·DCHA
    Catalog Number:
    05391
    CAS Number:
    13734-29-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00236858
    Molecular Formula:
    C18H28N2O6S·C12H23N
    Molecular Weight:
    581.82
  • D-Phenylglycinol

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    H-D-Phg-ol
    Catalog Number:
    05373
    CAS Number:
    56613-80-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00008062
    Molecular Formula:
    C8H11NO
    Molecular Weight:
    137.2
  • Boc-S-methyl-L-penicillamine dicyclohexylammonium salt

    Purity:
    ≥ 99% (NMR)
    Synonym:
    Boc-L-Pen(Me)-OH·DCHA
    Catalog Number:
    05390
    CAS Number:
    112898-23-4
    Purity Limit:
    ≥ 99% (NMR)
    MDL NO:
    MFCD00070261
    Molecular Formula:
    C11H21NO4S·C12H23N
    Molecular Weight:
    444.7
  • Nε-Fmoc-L-lysine methyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Lys(Fmoc)-OMe·HCl
    Catalog Number:
    05366
    CAS Number:
    201009-98-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153447
    Molecular Formula:
    C22H26N2O4·HCl
    Molecular Weight:
    418.9
  • D-Valinol

    Purity:
    ≥ 99% (GC)
    Synonym:
    D-Val-ol
    Catalog Number:
    05378
    CAS Number:
    4276-09-9
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00064297
    Molecular Formula:
    C5H13NO
    Molecular Weight:
    103.1
  • L-Phenylglycinol

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    L-Phg-ol
    Catalog Number:
    05372
    CAS Number:
    20989-17-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00064404
    Molecular Formula:
    C8H11NO
    Molecular Weight:
    137.2
  • Nδ-Boc-L-ornithine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Orn(Boc)-OH
    Catalog Number:
    05367
    CAS Number:
    13650-49-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037219
    Molecular Formula:
    C10H20N2O4
    Molecular Weight:
    232.3
  • Boc-S-acetamidomethyl-D-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Cys(Acm)-OH
    Catalog Number:
    05352
    CAS Number:
    138775-00-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076917
    Molecular Formula:
    C11H20N2O5S
    Molecular Weight:
    292.3