💛 99% Happy customers

📦 Same-day shipping on in-stock items

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.

  • 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-Methyl-L-lysine hydrochloride

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    N-Me-L-Lys-OH·HCl
    Catalog Number:
    06350
    CAS Number:
    7431-89-2
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00672351
    Molecular Formula:
    C7H16N2O2·HCl
    Molecular Weight:
    196.68
  • N-Methyl-L-proline

    Purity:
    ≥ 98%
    Synonym:
    N-Methyl-L-proline
    Catalog Number:
    06356
    CAS Number:
    475-11-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00011565
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • L-Pyroglutamyl-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Pyr-L-Ala-OH
    Catalog Number:
    06364
    CAS Number:
    21282-08-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00037886
    Molecular Formula:
    C8H12N2O4
    Molecular Weight:
    200.19
  • Nα-Methyl-L-phenylalanine methyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Me-L-Phe-OMe·HCl
    Catalog Number:
    06354
    CAS Number:
    19460-86-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00083661
    Molecular Formula:
    C11H15NO2·HCl
    Molecular Weight:
    229.71
  • N-Methyl-DL-valine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    N-Me-DL-Val-OH
    Catalog Number:
    06344
    CAS Number:
    2566-32-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00069559
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.17
  • 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
  • Nα-methyl-Nε-Z-L-lysine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    N-Me-L-Lys(Z)-OH
    Catalog Number:
    06349
    CAS Number:
    201016-22-0
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD00672352
    Molecular Formula:
    C15H22N2O4
    Molecular Weight:
    294.3
  • Nα-Methyl-D-histidine hydrochloride

    Purity:
    99%
    Synonym:
    N-Me-D-His-OH·HCl
    Catalog Number:
    06340
    CAS Number:
    200927-06-6
    Purity Limit:
    99%
    MDL NO:
    MFCD00237156
    Molecular Formula:
    C7H11N3O2·HCl
    Molecular Weight:
    205.6
  • N-Methyl-L-glutamic acid

    Purity:
    ≥ 98% (Assay)
    Synonym:
    N-Me-L-Glu-OH
    Catalog Number:
    06345
    CAS Number:
    6753-62-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00065920
    Molecular Formula:
    C6H11NO4
    Molecular Weight:
    161.2
  • N-Methyl-L-Leucine benzyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N-Me-L-Leu-OBzl·TosOH
    Catalog Number:
    06348
    CAS Number:
    42807-66-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00083659
    Molecular Formula:
    C14H21NO2·C7H8O3S
    Molecular Weight:
    407.52
  • Nα-Methyl-L-histidine methyl ester hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    N-Me-L-His-OMe·HCl
    Catalog Number:
    06347
    CAS Number:
    118384-75-1
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00672362
    Molecular Formula:
    C8H13N3O2·HCl
    Molecular Weight:
    219.6
  • Nα-Z-Nγ-Boc-L-2,4-diaminobutyric acid dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Dab(Boc)-OH·DCHA
    Catalog Number:
    06329
    CAS Number:
    3350-13-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237341
    Molecular Formula:
    C17H24N2O6·C12H23N
    Molecular Weight:
    533.69
  • N-Methyl-D-aspartic acid hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-Me-D-Asp-OH·HCl
    Catalog Number:
    06339
    CAS Number:
    6384-92-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06795789
    Molecular Formula:
    C5H9NO4
    Molecular Weight:
    147.13
  • Nα-Methyl-L-phenylalanine hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    N-Me-D-Phe-OH·HCl
    Catalog Number:
    06341
    CAS Number:
    56564-52-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00270620
    Molecular Formula:
    C10H13NO2·HCl
    Molecular Weight:
    215.71
  • N-Methyl-DL-leucine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    N-Me-DL-Leu-OH·HCl
    Catalog Number:
    06343
    CAS Number:
    2566-33-8
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD06795793
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.6
  • 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
  • N-Methyl-L-trans-4-hydroxyproline hydrochloride

    Purity:
    98+%
    Synonym:
    N-Me-L-Hyp-OH·HCl
    Catalog Number:
    06338
    CAS Number:
    67463-44-9
    Purity Limit:
    98+%
    MDL NO:
    MFCD06795797
    Molecular Formula:
    C6H11NO3·HCl
    Molecular Weight:
    181.6
  • N-Methyl-L-aspartic acid hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    N-Me-L-Asp-OH·HCl
    Catalog Number:
    06337
    CAS Number:
    4226-18-0
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD06795788
    Molecular Formula:
    C5H9NO4·HCl
    Molecular Weight:
    183.63
  • Nα,β-Bis-Z-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Dap(Z)-OH
    Catalog Number:
    06324
    CAS Number:
    65621-26-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00236966
    Molecular Formula:
    C19H20N2O6
    Molecular Weight:
    372.5
  • Nα-Z-D-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-D-Dap-OH
    Catalog Number:
    06326
    CAS Number:
    62234-37-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00237346
    Molecular Formula:
    C11H14N2O4
    Molecular Weight:
    238.24
  • Nα-Fmoc-Nβ-Boc-D-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Dap(Boc)-OH
    Catalog Number:
    06314
    CAS Number:
    198544-42-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00798648
    Molecular Formula:
    C23H26N2O6
    Molecular Weight:
    426.5
  • Nα-Boc-Nβ-Z-D-2,3-diaminopropionic acid dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Dap(Z)-OH·DCHA
    Catalog Number:
    06306
    CAS Number:
    81306-94-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00798629
    Molecular Formula:
    C16H22N2O6·C12H23N
    Molecular Weight:
    519.69
  • Nα-Boc-Nβ-Z-L-2,3-diaminopropionic acid dicyclohexylammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Dap(Z)-OH·DCHA
    Catalog Number:
    06307
    CAS Number:
    65710-58-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00236880
    Molecular Formula:
    C16H22N2O6·C12H23N
    Molecular Weight:
    519.69
  • β-Chloro-L-alanine methyl ester hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    β-Chloro-L-Ala-OMe·HCl
    Catalog Number:
    06228
    CAS Number:
    17136-54-8
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00270526
    Molecular Formula:
    C4H8ClNO2·HCl
    Molecular Weight:
    174.03
  • Nα-Boc-Nβ-Fmoc-D-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Dap(Fmoc)-OH
    Catalog Number:
    06304
    CAS Number:
    131570-56-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00236844
    Molecular Formula:
    C23H26N2O6
    Molecular Weight:
    426.48
  • Nα-Boc-Nβ-Fmoc-L-2,3-diaminopropionic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-L-Dap(Fmoc)-OH
    Catalog Number:
    06305
    CAS Number:
    122235-70-5
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00235897
    Molecular Formula:
    C23H26N2O6
    Molecular Weight:
    426.48
  • Nα-Boc-Nβ-bromoacetyl-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98%
    Synonym:
    Boc-L-Dap(bromoacetyl)-OH
    Catalog Number:
    06302
    CAS Number:
    135630-90-9
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00798614
    Molecular Formula:
    C10H17N2O5Br
    Molecular Weight:
    325.2
  • L-Thiazolidin-2-one-4-carboxylic acid

    Purity:
    ≥ 95% (NMR)
    Synonym:
    L-2-Oxothiazolidine-4-carboxylic acid
    Catalog Number:
    06280
    CAS Number:
    19771-63-2
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00066092
    Molecular Formula:
    C4H5NO3S
    Molecular Weight:
    147.15
  • L-Threoninol

    Synonym:
    L-Thr-ol
    Catalog Number:
    06286
    CAS Number:
    3228-51-1
    MDL NO:
    MFCD00191173
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    105.1
  • L-α-Aminoadipic acid δ-methyl ester hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-Aad(OMe)-OH·HCl
    Catalog Number:
    06275
    CAS Number:
    147780-39-0
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01632070
    Molecular Formula:
    C7H13NO4·HCl
    Molecular Weight:
    211.65
  • L-1,2,3,4-Tetrahydronorharman-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Tpi-OH
    Catalog Number:
    06279
    CAS Number:
    42438-90-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00272641
    Molecular Formula:
    C12H12N2O2
    Molecular Weight:
    216.23
  • L-Histidinol dihydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    (S)-2-Amino-3-(4-imidazolyl)propanol dihydrochloride
    Catalog Number:
    06285
    CAS Number:
    1596-64-1
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00078058
    Molecular Formula:
    C6H11N3O·2HCl
    Molecular Weight:
    214.16
  • L-α-Aminoadipic acid δ-tert-butyl ester

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-Aad(OtBu)-OH
    Catalog Number:
    06276
    CAS Number:
    201354-26-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD08272285
    Molecular Formula:
    C10H19NO4
    Molecular Weight:
    217.26
  • L-Cycloserine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-4-Amino-3-isoxazolidinone
    Catalog Number:
    06284
    CAS Number:
    339-72-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00064324
    Molecular Formula:
    C3H6N2O2
    Molecular Weight:
    102.1
  • L-Valine tert-butylamide hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    L-Val-NHtBu·HCl
    Catalog Number:
    06266
    CAS Number:
    70421-65-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00238278
    Molecular Formula:
    C9H20N2O·HCl
    Molecular Weight:
    208.77
  • L-Valine 4-nitroanilide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Val-pNA·HCl
    Catalog Number:
    06272
    CAS Number:
    77835-49-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00058470
    Molecular Formula:
    C11H15N3O3·HCl
    Molecular Weight:
    273.61
  • β-Cyclopentyl-DL-alanine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    DL-β-Cyclopentyl-Ala-OH
    Catalog Number:
    06232
    CAS Number:
    96539-87-6
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00237834
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.09
  • L-Valine amide hydrobromide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Val-NH2·HBr
    Catalog Number:
    06265
    CAS Number:
    33529-85-0
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00050704
    Molecular Formula:
    C5H12N2O·HBr
    Molecular Weight:
    197.08
  • L-Tyrosine benzyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Tyr-OBzl
    Catalog Number:
    06255
    CAS Number:
    42406-77-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191034
    Molecular Formula:
    C16H17NO3
    Molecular Weight:
    271.3
  • L-Valine 4-nitrobenzyl ester hydrobromide

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Val-O(4-NO2Bzl)·HBr
    Catalog Number:
    06269
    CAS Number:
    6015-79-8
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00058245
    Molecular Formula:
    C12H16N2O4·HBr
    Molecular Weight:
    333.19
  • L-Tyrosine methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Tyr-OMe
    Catalog Number:
    06257
    CAS Number:
    1080-06-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00002392
    Molecular Formula:
    C10H13NO3
    Molecular Weight:
    195.2
  • O-tert-Butyl-L-threonine allyl ester hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Thr(tBu)-OAll·HCl
    Catalog Number:
    06238
    CAS Number:
    218938-63-7
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00798676
    Molecular Formula:
    C11H21NO3·HCl
    Molecular Weight:
    251.76
  • L-α-tert-Butylglycine-tert-butyl ester hydrochloride

    Purity:
    ≥ 95% (NMR)
    Synonym:
    L-α-tert-Butyl-Gly-OtBu·HCl
    Catalog Number:
    06237
    CAS Number:
    31556-74-8
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00038904
    Molecular Formula:
    C10H21NO2·HCl
    Molecular Weight:
    223.68
  • β-tert-Butyl-L-alanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    β-tBu-L-Ala-OH
    Catalog Number:
    06234
    CAS Number:
    57224-50-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00066079
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
  • O-tert-Butyl-L-tyrosine allyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Tyr(tBu)-OAll·HCl
    Catalog Number:
    06252
    CAS Number:
    218938-62-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00798675
    Molecular Formula:
    C16H23NO3·HCl
    Molecular Weight:
    313.82
  • Nin-Boc-L-tryptophan tert-butyl ester hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Trp(Boc)-OtBu·HCl
    Catalog Number:
    06248
    CAS Number:
    218938-67-1
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00798682
    Molecular Formula:
    C20H28N2O4·HCl
    Molecular Weight:
    396.92
  • β-tert-Butyl-DL-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    β-tBu-DL-Ala-OH
    Catalog Number:
    06236
    CAS Number:
    60122-72-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00066078
    Molecular Formula:
    C7H15NO2
    Molecular Weight:
    145.2
  • β-Cyclopentyl-L-alanine

    Purity:
    ≥ 98%
    Synonym:
    β-Cyclopentyl-L-alanine
    Catalog Number:
    06233
    CAS Number:
    99295-82-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01632069
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.09