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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

  • Nα-Boc-N-π-benzyloxymethyl-L-histidine N-hydroxysuccinimide ester

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-L-His(p-Bom)-OSu
    Catalog Number:
    14046
    CAS Number:
    129672-10-2
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00236853
    Molecular Formula:
    C23H28N4O7
    Molecular Weight:
    427.5
    Specification Sheet SDS

  • Boc-N-methyl-4-chloro-L-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    Boc-N-Me-L-Phe(4-Cl)-OH
    Catalog Number:
    14019
    CAS Number:
    179033-68-2
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00672517
    Molecular Formula:
    C15H20NO4Cl
    Molecular Weight:
    313.76
    Specification Sheet SDS

  • Z-L-tert-butyl-glycine dicyclohexylamine salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Tle-OH·DCHA
    Catalog Number:
    14015
    CAS Number:
    62965-37-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00161480
    Molecular Formula:
    C14H19NO4·C12H23N
    Molecular Weight:
    446.63
    Specification Sheet SDS

  • β-Cyclopentyl-D-alanine

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    D-β-Cyclopentyl-Ala-OH
    Catalog Number:
    14037
    CAS Number:
    99295-81-5
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD03788182
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.09
    Specification Sheet SDS

  • Boc-L-Phe(2-trifluoromethyl)-OH

    Purity:
    ≥ 99% (ee)
    Synonym:
    Boc-L-Phe(2-CF3)-OH
    Catalog Number:
    14042
    CAS Number:
    167993-21-7
    Purity Limit:
    ≥ 99% (ee)
    MDL NO:
    MFCD01862946
    Molecular Formula:
    C15H18F3NO4
    Molecular Weight:
    333.31
    Specification Sheet SDS

  • β-Cyclohexyl-L-alanine amide hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Cha-NH2·HCl
    Catalog Number:
    14039
    CAS Number:
    145232-34-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD21606314
    Molecular Formula:
    C9H18N2O·HCl
    Molecular Weight:
    206.7
    Specification Sheet SDS

  • 1-Boc-4-Fmoc-piperazine-2-carboxylic acid

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    14025
    CAS Number:
    218278-58-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01076217
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.5
    Specification Sheet SDS

  • O-Benzyl-D-threonine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    D-Thr(Bzl)-OH
    Catalog Number:
    14013
    CAS Number:
    86062-17-1
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD02094343
    Molecular Formula:
    C11H15NO3
    Molecular Weight:
    209.24
    Specification Sheet SDS

  • Glycine dimethylamide trifluoroacetate

    Purity:
    98%
    Synonym:
    Gly-NMe2·TFA
    Catalog Number:
    14018
    Purity Limit:
    98%
    MDL NO:
    MFCD03788179
    Molecular Formula:
    C6H11F3N2O3
    Molecular Weight:
    216.2
    SDS

  • Fmoc-L-cysteine hydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Cys-OH·H2O
    Catalog Number:
    14009
    CAS Number:
    135248-89-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD13184915
    Molecular Formula:
    C18H17NO4S·H2O
    Molecular Weight:
    361.4
    Specification Sheet SDS

  • 3,4-Dihydro-2H-pyran-2-methanol

    Purity:
    ≥ 99% (GC)
    Synonym:
    3,4-Dihydro-2H-pyran-2-ylmethanol
    Catalog Number:
    12987
    CAS Number:
    3749-36-8
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00051507
    Molecular Formula:
    C6H10O2
    Molecular Weight:
    114.14
    Specification Sheet SDS

  • 4-Benzyloxybenzyl alcohol resin (0.4 - 1.0 mmol/g, 50 - 100 mesh)

    Synonym:
    Wang resin
    Catalog Number:
    12564
    CAS Number:
    201058-08-4
    MDL NO:
    MFCD00131778
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • 4-Nitrobenzyl chloroformate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Nitrobenzyl chlorocarbonate
    Hazmat
    Catalog Number:
    12968
    CAS Number:
    4457-32-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00007375
    Molecular Formula:
    C8H6ClNO4
    Molecular Weight:
    215.6
    Specification Sheet SDS

  • 4-Fmoc-piperazine-2-carboxylic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-Fmoc-Piz-2-carboxylic acid
    Catalog Number:
    12973
    CAS Number:
    219312-90-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD01076312
    Molecular Formula:
    C20H22N2O4
    Molecular Weight:
    352.39
    Specification Sheet SDS

  • Chloro-dipyrrolidinocarbenium hexafluorophosphate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PyClU
    Catalog Number:
    12939
    CAS Number:
    135540-11-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191333
    Molecular Formula:
    C9H16ClF6N2P
    Molecular Weight:
    332.66
    Specification Sheet SDS

  • Diallyl pyrocarbonate

    Purity:
    ≥ 95% (GC)
    Synonym:
    (Alloc)2O
    Catalog Number:
    12935
    CAS Number:
    115491-93-5
    Purity Limit:
    ≥ 95% (GC)
    MDL NO:
    MFCD00077721
    Molecular Formula:
    C8H10O5
    Molecular Weight:
    186.17
    Specification Sheet SDS

  • D-Serine ethyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Ser-OEt·HCl
    Catalog Number:
    12430
    CAS Number:
    104055-46-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191020
    Molecular Formula:
    C5H11NO3·HCl
    Molecular Weight:
    169.62
    Specification Sheet SDS

  • β-Glutamic acid hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Λ-Glu-OH·HCl
    Catalog Number:
    12949
    CAS Number:
    336182-10-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862859
    Molecular Formula:
    C5H9NO4·HCl
    Molecular Weight:
    183.59
    Specification Sheet SDS

  • Bis(4-nitrophenyl)carbonate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Nitrophenyl carbonate
    Catalog Number:
    12948
    CAS Number:
    5070-13-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00007322
    Molecular Formula:
    C13H8N2O7
    Molecular Weight:
    304.21
    Specification Sheet SDS

  • DL-Isoleucine

    Grade:
    FCC
    Purity:
    98.5 - 101.5% (Assay)
    Synonym:
    DL-Ile-OH
    Catalog Number:
    12377
    Grade:
    FCC
    CAS Number:
    443-79-8
    Purity Limit:
    98.5 - 101.5% (Assay)
    MDL NO:
    MFCD00004268
    Molecular Formula:
    C6H13NO2
    Molecular Weight:
    131.2
    Specification Sheet SDS

  • Dibenzyl dicarbonate

    Purity:
    ≥ 96% (HPLC)
    Synonym:
    Dibenzyl pyrocarbonate
    Catalog Number:
    12933
    CAS Number:
    31139-36-3
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD00043124
    Molecular Formula:
    C16H14O5
    Molecular Weight:
    286.29
    Specification Sheet SDS

  • N-[2-(Boc-amino)ethyl]glycine ethylester hydrochloride

    Purity:
    ≥ 95% (NMR)
    Synonym:
    N-(Boc-aminoethyl)-Gly-OEt·HCl
    Catalog Number:
    12913
    CAS Number:
    72648-80-7, 347890-34-0
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD01862956
    Molecular Formula:
    C11H22N2O4·HCl
    Molecular Weight:
    282.76
    Specification Sheet SDS

  • Chloromethylated polystyrene (2.0 - 4.5 meq/g, 200 - 400 mesh)

    Synonym:
    Merrifield resin
    Catalog Number:
    12471
    CAS Number:
    55844-94-5
    MDL NO:
    MFCD00146406
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • N,N'-Di-Z-diethylenetriamine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Dibenzyl 2,2'-iminobis(ethylcarbamate)
    Catalog Number:
    12907
    CAS Number:
    160256-75-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01863761
    Molecular Formula:
    C20H25N3O4
    Molecular Weight:
    371.44
    Specification Sheet SDS

  • D-Alanine ethyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Ala-OEt·HCl
    Catalog Number:
    12380
    CAS Number:
    6331-09-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00190725
    Molecular Formula:
    C5H11NO2·HCl
    Molecular Weight:
    153.6
    Specification Sheet SDS

  • Boc-diethanolamine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    tert-Butyl N,N-bis2-hydroxyethyl)carbamate
    Catalog Number:
    12904
    CAS Number:
    103898-11-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01862953
    Molecular Formula:
    C9H19NO4
    Molecular Weight:
    205.25
    Specification Sheet SDS

  • N-[2-(Fmoc-amino)-ethyl]glycine tert-butylester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-[2-(Fmoc-amino)-ethyl]-Gly-OtBu·HCl
    Catalog Number:
    12906
    CAS Number:
    169396-88-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01863751
    Molecular Formula:
    C23H28N2O4·HCl
    Molecular Weight:
    432.95
    Specification Sheet SDS

  • Boc-D-β-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Boc-D-β-Phe-OH
    Catalog Number:
    12892
    CAS Number:
    103365-47-5
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01860892
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.31
    Specification Sheet SDS

  • Boc-N-methylethylenediamine

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    tert-Butyl N-(2-aminoethyl)-N-methylcarbamate
    Hazmat
    Catalog Number:
    12903
    CAS Number:
    121492-06-6
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01317789
    Molecular Formula:
    C8H18N2O2
    Molecular Weight:
    174.24
    Specification Sheet SDS

  • Boc-L-β-glutamic acid 5-benzyl ester

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Boc-L-β-Glu(OBzl)-OH
    Catalog Number:
    12890
    CAS Number:
    254101-10-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01862861
    Molecular Formula:
    C17H23NO6
    Molecular Weight:
    337.37
    Specification Sheet SDS

  • (-)-(1S,4R)-N-Fmoc-4-aminocyclopent-2-enecarboxylic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    (-)-(1S,4R)-N-Fmoc-γ-homocycloleu-2-ene
    Catalog Number:
    12900
    CAS Number:
    220497-64-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01311755
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.39
    Specification Sheet SDS

  • (1R,4S)-(+)-4-(Fmoc-amino)-2-cyclopentene-1-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (+)-(1R,4S)-N-Fmoc-4-aminocyclopent-2-enecarboxylic acid
    Catalog Number:
    12901
    CAS Number:
    220497-65-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01311756
    Molecular Formula:
    C21H19NO4
    Molecular Weight:
    349.39
    Specification Sheet SDS

  • Boc-L-β-leucine

    Purity:
    ≥ 98% (NMR)
    Synonym:
    Boc-β-L-Leu-OH
    Catalog Number:
    12889
    CAS Number:
    183990-64-9
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01076232
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
    Specification Sheet SDS

  • Boc-3-methyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(3-Me)-OH
    Catalog Number:
    12860
    CAS Number:
    114873-14-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862943
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
    Specification Sheet SDS

  • Boc-L-β-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-Phe-OH
    Catalog Number:
    12888
    CAS Number:
    161024-80-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01320859
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.31
    Specification Sheet SDS

  • DL-Phenylalanine tert-butyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    DL-Phe-OtBu·HCl
    Catalog Number:
    12383
    CAS Number:
    75898-47-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00190980
    Molecular Formula:
    C13H19NO2·HCl
    Molecular Weight:
    257.8
    SDS

  • Boc-2-methyl-D-phenylalanine

    Purity:
    > 98%
    Synonym:
    Boc-2-methyl-D-phenylalanine
    Catalog Number:
    12861
    CAS Number:
    80102-29-0
    Purity Limit:
    > 98%
    MDL NO:
    MFCD00671403
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
    Specification Sheet SDS

  • Boc-2-cyano-L-phenylalanine

    Purity:
    ≥ 99% (Chiral HPLC, HPLC)
    Synonym:
    Boc-L-Phe(2-CN)-OH
    Catalog Number:
    12858
    CAS Number:
    216312-53-7
    Purity Limit:
    ≥ 99% (Chiral HPLC, HPLC)
    MDL NO:
    MFCD01860623
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
    Specification Sheet SDS

  • Boc-β-cyclohexyl-L-alanine methyl ester

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Boc-β-cyclohexyl-L-alanine methyl ester
    Catalog Number:
    12864
    CAS Number:
    98105-41-0
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00191183
    Molecular Formula:
    C15H27NO4
    Molecular Weight:
    285.38
    Specification Sheet SDS

  • Boc-glycine tert-butyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Gly-OtBu
    Catalog Number:
    12859
    CAS Number:
    111652-20-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191866
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
    Specification Sheet SDS

  • Fmoc-D-β-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Phe-OH
    Catalog Number:
    12851
    CAS Number:
    209252-15-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01311759
    Molecular Formula:
    C24H21NO4
    Molecular Weight:
    387.44
    Specification Sheet SDS

  • Fmoc-L-β-phenylalanine

    Purity:
    ≥ 98% (Chiral HPLC)
    Synonym:
    Fmoc-L-β-Phe-OH
    Catalog Number:
    12848
    CAS Number:
    220498-02-2
    Purity Limit:
    ≥ 98% (Chiral HPLC)
    MDL NO:
    MFCD01311783
    Molecular Formula:
    C24H21NO4
    Molecular Weight:
    387.44
    Specification Sheet SDS

  • Boc-2-cyano-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(2-CN)-OH
    Catalog Number:
    12862
    CAS Number:
    261380-28-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862940
    Molecular Formula:
    C15H18N2O4
    Molecular Weight:
    290.3
    Specification Sheet SDS

  • Boc-3-methyl-L-phenylalanine

    Purity:
    ≥ 99.0% (HPLC)
    Synonym:
    Boc-L-Phe(3-Me)-OH
    Catalog Number:
    12856
    CAS Number:
    114873-06-2
    Purity Limit:
    ≥ 99.0% (HPLC)
    MDL NO:
    MFCD01862944
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
    Specification Sheet SDS

  • D-Tyrosine ethyl ester hydrochloride

    Purity:
    ≥ 99% (Titration)
    Synonym:
    D-Tyr-OEt·HCl
    Catalog Number:
    12386
    CAS Number:
    23234-43-7
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00180750
    Molecular Formula:
    C11H15NO3·HCl
    Molecular Weight:
    245.7
    Specification Sheet SDS

  • Boc-2-methyl-L-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    Boc-L-Phe(2-Me)-OH
    Catalog Number:
    12857
    CAS Number:
    114873-05-1
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00671390
    Molecular Formula:
    C15H21NO4
    Molecular Weight:
    279.34
    Specification Sheet SDS

  • Fmoc-2-cyano-D-phenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    Fmoc-D-Phe(2-CN)-OH
    Catalog Number:
    12847
    CAS Number:
    401620-74-4
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD01863770
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.4
    Specification Sheet SDS

  • Fmoc-2-methyl-D-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Phe(2-Me)-OH
    Catalog Number:
    12846
    CAS Number:
    352351-63-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00671404
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
    Specification Sheet SDS

  • Boc-2,4-dichloro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(2,4-DiCl)-OH
    Catalog Number:
    12794
    CAS Number:
    114873-12-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862941
    Molecular Formula:
    C14H17Cl2NO4
    Molecular Weight:
    334.2
    Specification Sheet SDS

  • Fmoc-3-methyl-D-phenylalanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-D-Phe(3-Me)-OH
    Catalog Number:
    12845
    CAS Number:
    352351-64-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD01863049
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
    Specification Sheet SDS
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