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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.
Sub Categories
Amino Acid Alcohols 238
Amino Acids & Derivatives 1931
Azido Amino Acids 114
Inhibitors 453
Isoacyl Dipeptides 9
Linkers 11
N-Methyl Amino Acids 140
Peptide Synthesis Reagents 158
Pre-Loaded Resins For Solid Phase Peptide & Organic Synthesis 286
Pseudoproline Dipeptides 45
Resins For Peptide Synthesis 235
Resins For Solid Phase Synthesis 256
Small Peptides 76
Substrates 571
Unusual Amino Acids 2217

  • L-β-Leucine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-β-HomoVal-OH·HCl
    Catalog Number:
    12840
    CAS Number:
    219310-09-5
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862852
    Molecular Formula:
    C6H13NO2·HCl
    Molecular Weight:
    167.64
    Specification Sheet SDS

  • Boc-3-isothiocyanatopropylamine

    Purity:
    ≥ 96% (GC)
    Synonym:
    tert-Butyl n-(3-isothiocyanatopropyl)carbamate
    Catalog Number:
    12836
    CAS Number:
    286955-45-1
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00674500
    Molecular Formula:
    C9H16N2O2S
    Molecular Weight:
    216.3
    Specification Sheet SDS

  • Oxalic acid diimidazolide

    Purity:
    ≥ 98% (Assay by Titration)
    Synonym:
    1,1'-Oxalyldi-imidazole
    Catalog Number:
    12829
    CAS Number:
    18637-83-7
    Purity Limit:
    ≥ 98% (Assay by Titration)
    MDL NO:
    MFCD00043067
    Molecular Formula:
    C8H6N4O2
    Molecular Weight:
    190.16
    Specification Sheet SDS

  • Boc-2-isothiocyanatoethylamine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    tert-Butyl n-(2-isothiocyanatoethyl)carbamate
    Catalog Number:
    12838
    CAS Number:
    137743-46-5
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00674499
    Molecular Formula:
    C8H14N2O2S
    Molecular Weight:
    202.28
    Specification Sheet SDS

  • Boc-5-isothiocyanatopentylamine

    Purity:
    ≥ 99%
    Synonym:
    tert-Butyl n-(5-isothiocyanatopentyl)carbamate
    Catalog Number:
    12833
    CAS Number:
    347890-46-4
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD01862960
    Molecular Formula:
    C11H20N2O2S
    Molecular Weight:
    244.36
    Specification Sheet SDS

  • Z-L-alanine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Z-L-Ala-OMe
    Catalog Number:
    12199
    CAS Number:
    28819-05-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270464
    Molecular Formula:
    C12H15NO4
    Molecular Weight:
    237.25
    Specification Sheet SDS

  • Z-N-methyl-α-aminoisobutyric acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-N-Me-Aib-OH
    Catalog Number:
    12800
    CAS Number:
    144332-60-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191898
    Molecular Formula:
    C13H17NO4
    Molecular Weight:
    251.28
    Specification Sheet SDS

  • Boc-L-β-homotryptophan

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-β-HomoTrp-OH
    Catalog Number:
    12779
    CAS Number:
    229639-48-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862938
    Molecular Formula:
    C17H22N2O4
    Molecular Weight:
    318.37
    Specification Sheet SDS

  • Boc-N-methyl-D-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-N-Me-D-Ala-OH
    Catalog Number:
    12796
    CAS Number:
    19914-38-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063137
    Molecular Formula:
    C9H17NO4
    Molecular Weight:
    203.2
    Specification Sheet SDS

  • Z-L-glutamic acid γ-cyclohexyl ester dicyclohexylammonium salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Glu(OcHex)-OH·DCHA
    Catalog Number:
    12255
    CAS Number:
    111479-43-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD19707054
    Molecular Formula:
    C19H25NO6·C12H23N
    Molecular Weight:
    544.72
    Specification Sheet SDS

  • Boc-L-β-homoproline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-HomoPro-OH
    Catalog Number:
    12782
    CAS Number:
    56502-01-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862939
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.28
    Specification Sheet SDS

  • Boc-2,4-dichloro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(2,4-DiCl)-OH
    Catalog Number:
    12793
    CAS Number:
    114873-04-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862942
    Molecular Formula:
    C14H17Cl2NO4
    Molecular Weight:
    334.2
    Specification Sheet SDS

  • Boc-L-β-homoalanine

    Purity:
    ≥ 95% (Assay)
    Synonym:
    Boc-L-β-HomoAla-OH
    Catalog Number:
    12789
    CAS Number:
    158851-30-0
    Purity Limit:
    ≥ 95% (Assay)
    MDL NO:
    MFCD00270345
    Molecular Formula:
    C9H17NO4
    Molecular Weight:
    203.24
    Specification Sheet SDS

  • Boc-O-benzyl-L-β-homothreonine

    Purity:
    ≥ 95% (NMR)
    Synonym:
    Boc-L-β-HomoThr(Bzl)-OH
    Catalog Number:
    12780
    CAS Number:
    254101-11-6
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD01862935
    Molecular Formula:
    C17H25NO5
    Molecular Weight:
    323.39
    Specification Sheet SDS

  • Fmoc-2,4-dichloro-D-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    Fmoc-D-Phe(2,4-DiCl)-OH
    Catalog Number:
    12792
    CAS Number:
    352351-61-2
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01863047
    Molecular Formula:
    C24H19Cl2NO4
    Molecular Weight:
    456.4
    Specification Sheet SDS

  • Boc-L-β-homoglutamic acid 6-benzyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-HomoGlu(OBzl)-OH
    Catalog Number:
    12787
    CAS Number:
    218943-30-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862936
    Molecular Formula:
    C18H25NO6
    Molecular Weight:
    351.4
    Specification Sheet SDS

  • Boc-O-benzyl-L-β-homotyrosine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-L-β-HomoTyr(Bzl)-OH
    Catalog Number:
    12778
    CAS Number:
    126825-16-9
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01862863
    Molecular Formula:
    C22H27NO5
    Molecular Weight:
    385.46
    Specification Sheet SDS

  • Boc-L-β-homomethionine

    Purity:
    ≥ 97% (NMR)
    Synonym:
    Boc-L-β-HomoMet-OH
    Catalog Number:
    12783
    CAS Number:
    244251-20-5
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD01862845
    Molecular Formula:
    C11H21NO4S
    Molecular Weight:
    263.35
    Specification Sheet SDS

  • Boc-O-benzyl-L-β-homohydroxyproline dicyclohexylammonium salt

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-β-HomoHyp(Bzl)-OH·DCHA
    Catalog Number:
    12786
    CAS Number:
    336182-09-3
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD03788173
    Molecular Formula:
    C18H25NO5·C12H23N
    Molecular Weight:
    516.71
    Specification Sheet SDS

  • Nβ-Boc-L-β-homoglutamine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-L-β-HomoGln-OH
    Catalog Number:
    12788
    CAS Number:
    336182-06-0
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862848
    Molecular Formula:
    C11H20N2O5
    Molecular Weight:
    260.29
    Specification Sheet SDS

  • Fmoc-L-β-homotryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-HomoTrp-OH
    Catalog Number:
    12765
    CAS Number:
    353245-98-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01863056
    Molecular Formula:
    C27H24N2O4
    Molecular Weight:
    440.5
    Specification Sheet SDS

  • Boc-O-benzyl-L-β-homoserine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-L-β-HomoSer(Bzl)-OH
    Catalog Number:
    12781
    CAS Number:
    218943-31-8
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01862866
    Molecular Formula:
    C16H23NO5
    Molecular Weight:
    309.36
    Specification Sheet SDS

  • Nβ-Boc-Nω-Z-L-β-homolysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-HomoLys(Z)-OH
    Catalog Number:
    12784
    CAS Number:
    346694-77-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862937
    Molecular Formula:
    C20H30N2O6
    Molecular Weight:
    394.47
    Specification Sheet SDS

  • L-β-Homoleucine hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    L-β-HomoLeu-OH·HCl
    Catalog Number:
    12757
    CAS Number:
    96386-92-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01862871
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.66
    Specification Sheet SDS

  • Nβ-Boc-Nω-tosyl-L-β-homoarginine

    Purity:
    ≥ 99%
    Synonym:
    Nβ-Boc-Nω-tosyl-L-β-homoarginine
    Catalog Number:
    12777
    CAS Number:
    136271-81-3
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD03427576
    Molecular Formula:
    C19H30N4O6S
    Molecular Weight:
    442.52
    Specification Sheet SDS

  • Fmoc-L-β-homomethionine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-β-HomoMet-OH
    Catalog Number:
    12768
    CAS Number:
    266359-48-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862844
    Molecular Formula:
    C21H23NO4S
    Molecular Weight:
    385.48
    Specification Sheet SDS

  • L-β-Homoglutamine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-β-HomoGln-OH·HCl
    Catalog Number:
    12760
    CAS Number:
    336182-05-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862846
    Molecular Formula:
    C6H12N2O3·HCl
    Molecular Weight:
    196.63
    Specification Sheet SDS

  • (S)-3-Aminoadipic acid hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    β-HomoGlu-OH·HCl
    Catalog Number:
    12761
    CAS Number:
    61884-74-0
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862872
    Molecular Formula:
    C6H11NO4·HCl
    Molecular Weight:
    197.62
    Specification Sheet SDS

  • L-β-Homoalanine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-β-HomoAla-OH·HCl
    Catalog Number:
    12762
    CAS Number:
    58610-41-6
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862873
    Molecular Formula:
    C4H9NO2·HCl
    Molecular Weight:
    139.58
    Specification Sheet SDS

  • Fmoc-O-tert-butyl-L-β-homotyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-b-HomoTyr(tBu)-OH
    Catalog Number:
    12764
    CAS Number:
    219967-69-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862862
    Molecular Formula:
    C29H31NO5
    Molecular Weight:
    473.56
    Specification Sheet SDS

  • L-β-Homohydroxyproline hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-β-HomoHyp-OH·HCl
    Catalog Number:
    12759
    CAS Number:
    336182-11-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862867
    Molecular Formula:
    C6H11NO3·HCl
    Molecular Weight:
    181.62
    Specification Sheet SDS

  • L-β-Homoproline hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    L-β-HomoPro-OH·HCl
    Catalog Number:
    12754
    CAS Number:
    53912-85-9
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD07363484
    Molecular Formula:
    C6H11NO2·HCl
    Molecular Weight:
    165.66
    Specification Sheet SDS

  • L-β-Homoisoleucine hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    L-β-HomoIle-OH·HCl
    Catalog Number:
    12758
    CAS Number:
    219310-10-8
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01862849
    Molecular Formula:
    C7H15NO2·HCl
    Molecular Weight:
    181.66
    Specification Sheet SDS

  • L-β-Homomethionine hydrochloride

    Purity:
    ≥ 97% (NMR)
    Synonym:
    L-β-HomoMet-OH·HCl
    Catalog Number:
    12755
    CAS Number:
    75946-25-7
    Purity Limit:
    ≥ 97% (NMR)
    MDL NO:
    MFCD01862854
    Molecular Formula:
    C6H13NO2S·HCl
    Molecular Weight:
    199.7
    Specification Sheet SDS

  • Fmoc-D-Phe(2-trifluoromethyl)-OH

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Fmoc-D-Phe(2-CF3)-OH
    Catalog Number:
    12741
    CAS Number:
    352523-15-0
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01863051
    Molecular Formula:
    C25H20F3NO4
    Molecular Weight:
    455.43
    Specification Sheet SDS

  • L-β-Homotryptophan hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-β-HomoTrp-OH·HCl
    Catalog Number:
    12751
    CAS Number:
    339994-86-4, 192003-01-3
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01862876
    Molecular Formula:
    C12H14N2O2·HCl
    Molecular Weight:
    254.72
    Specification Sheet SDS

  • Boc-DL-homoproline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-DL-HomoPro-OH
    Catalog Number:
    12747
    CAS Number:
    98303-20-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01862877
    Molecular Formula:
    C11H19NO4
    Molecular Weight:
    229.3
    Specification Sheet SDS

  • 4-Amino-3-hydroxybutyric acid

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    12034
    CAS Number:
    924-49-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00008141
    Molecular Formula:
    C4H9NO3
    Molecular Weight:
    119.1
    Specification Sheet SDS

  • L-β-Homophenylalanine hydrochloride

    Purity:
    ≥ 98% (Assay)
    Synonym:
    L-β-HomoPhe-OH·HCl
    Catalog Number:
    12743
    CAS Number:
    138165-77-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01862875
    Molecular Formula:
    C10H13NO2·HCl
    Molecular Weight:
    215.68
    Specification Sheet SDS

  • Boc-L-β-homophenylalanine

    Purity:
    ≥ 98%
    Synonym:
    Boc-L-β-HomoPhe-OH
    Catalog Number:
    12749
    CAS Number:
    51871-62-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01076271
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
    Specification Sheet SDS

  • Boc-D-Phe(2-trifluoromethyl)-OH

    Purity:
    ≥ 99% (ee, HPLC)
    Synonym:
    Boc-D-Phe(2-CF3)-OH
    Catalog Number:
    12742
    CAS Number:
    346694-78-8
    Purity Limit:
    ≥ 99% (ee, HPLC)
    MDL NO:
    MFCD01862945
    Molecular Formula:
    C15H18F3NO4
    Molecular Weight:
    333.31
    Specification Sheet SDS

  • L-Cysteine methyl ester hydrochloride

    Purity:
    ≥ 98% (Assay)
    Synonym:
    L-Cys-OMe·HCl
    Catalog Number:
    12007
    CAS Number:
    18598-63-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00038985
    Molecular Formula:
    C4H9NO2S·HCl
    Molecular Weight:
    171.68
    Specification Sheet SDS

  • L-Proline ethyl ester hydrochloride

    Synonym:
    L-Pro-OEt·HCl
    Catalog Number:
    12100
    CAS Number:
    33305-75-8
    MDL NO:
    MFCD00191004
    Molecular Formula:
    C7H13NO2·HCl
    Molecular Weight:
    179.65
    Specification Sheet SDS

  • Weinreb linker

    Synonym:
    Fmoc-N-methoxy-3-aminopropionic acid
    Catalog Number:
    12652
    CAS Number:
    247021-90-5
    MDL NO:
    MFCD01861163
    Molecular Formula:
    C19H19NO5
    Molecular Weight:
    341.4
    Specification Sheet SDS

  • Nα-Trityl-Nβ-Fmoc-L-2,3-diaminopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Trt-L-Dap(Fmoc)-OH
    Catalog Number:
    12647
    CAS Number:
    1263046-25-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03788169
    Molecular Formula:
    C37H32N2O4
    Molecular Weight:
    568.7
    Specification Sheet SDS

  • Sieber linker

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    3-Hydroxy-xanthen-9-one
    Catalog Number:
    12651
    CAS Number:
    3722-51-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00604748
    Molecular Formula:
    C13H8O3
    Molecular Weight:
    212.2
    Specification Sheet SDS

  • Fmoc-N-propyl-hydroxylamine

    Catalog Number:
    12643
    CAS Number:
    198411-61-9
    MDL NO:
    MFCD02682862
    Molecular Formula:
    C18H19NO3
    Molecular Weight:
    297.4
    SDS

  • Fmoc-n-butyl-hydroxylamine

    Catalog Number:
    12640
    CAS Number:
    1820608-84-1
    MDL NO:
    MFCD02682863
    Molecular Formula:
    C19H21NO3
    Molecular Weight:
    311.4
    SDS

  • Fmoc-N-isobutyl-hydroxylamine

    Catalog Number:
    12642
    MDL NO:
    MFCD02682865
    Molecular Formula:
    C19H21NO3
    Molecular Weight:
    311.4
    SDS

  • Fmoc-N-allyl-hydroxylamine

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    12639
    CAS Number:
    198411-65-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD02682864
    Molecular Formula:
    C18H17NO3
    Molecular Weight:
    295.3
    Specification Sheet SDS
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