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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.

  • β-Cyclohexyl-L-alanine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Cha-OH·HCl
    Catalog Number:
    11696
    CAS Number:
    25528-71-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00190861
    Molecular Formula:
    C9H17NO2·HCl
    Molecular Weight:
    207.7
  • D-Arginine amide dihydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    D-Arg-NH2·2HCl
    Catalog Number:
    11665
    CAS Number:
    203308-91-2
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD02684517
    Molecular Formula:
    C6H15N5O·2HCl
    Molecular Weight:
    246.2
  • H-Cys-Gly-OH·FA

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    11663
    CAS Number:
    19246-18-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00055567
    Molecular Formula:
    C5H10N2O32HF3O2
    Molecular Weight:
    292.23
  • Fmoc-N-methyl-O-tert-butyl-L-serine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-N-Me-L-Ser(tBu)-OH
    Catalog Number:
    11638
    CAS Number:
    197632-77-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD02094430
    Molecular Formula:
    C23H27NO5
    Molecular Weight:
    397.47
  • Fmoc-N-methyl-O-tert-butyl-L-threonine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-N-Me-L-Thr(tBu)-OH
    Catalog Number:
    11639
    CAS Number:
    117106-20-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD02094431
    Molecular Formula:
    C24H29NO5
    Molecular Weight:
    411.5
  • Fmoc-His(3-Me)-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-His(π-Me)-OH
    Catalog Number:
    11631
    CAS Number:
    252049-16-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259494
    Molecular Formula:
    C22H21N3O4
    Molecular Weight:
    391.43
  • Fmoc-S-4-methyltrityl-L-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Cys(Mtt)-OH
    Catalog Number:
    11625
    CAS Number:
    269067-38-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259492
    Molecular Formula:
    C38H33NO4S
    Molecular Weight:
    599.75
  • Na-Fmoc-Nw,w-dimethyl-L-arginine (symmetrical) hydrochloride

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Arg(Me)2-OH·HCl (symmetrical)
    Catalog Number:
    11624
    CAS Number:
    823789-66-1, 1330286-46-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD02684483
    Molecular Formula:
    C23H28N4O4·HCl
    Molecular Weight:
    461.0
  • Nα-Boc-L-lysine 7-amido-4-methylcoumarin acetate salt

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Boc-L-Lys-AMC acetate salt
    Catalog Number:
    11605
    CAS Number:
    116883-12-6
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD03093404
    Molecular Formula:
    C21H29N3O5
    Molecular Weight:
    403.48
  • L-Trans-Epoxysuccinyl-Leu-4-guanidinobutylamide

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    E-64
    Catalog Number:
    11274
    CAS Number:
    66701-25-5
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00080261
    Molecular Formula:
    C15H27N5O5
    Molecular Weight:
    357.4
  • Fmoc-Nε-2,4-dinitrophenyl-D-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Lys(Dnp)-OH
    Catalog Number:
    11185
    CAS Number:
    269061-41-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01318743
    Molecular Formula:
    C27H26N4O8
    Molecular Weight:
    534.53
  • Na-Fmoc-Nw,w-dimethyl-L-arginine (asymmetrical) hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Arg(Me)2-OH hydrochloride (asymmetrical)
    Catalog Number:
    11176
    CAS Number:
    268564-10-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02684510
    Molecular Formula:
    C23H28N4O4· HCl
    Molecular Weight:
    461.0
  • Deamino-histidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-(Imidazol-4-yl)propionic acid
    Catalog Number:
    11073
    CAS Number:
    1074-59-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237415
    Molecular Formula:
    C6H8N2O2
    Molecular Weight:
    140.14
  • Nα-Tosyl-L-lysine chloromethylketone hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tos-L-Lys-CMK·HCl
    Catalog Number:
    10097
    CAS Number:
    4272-74-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00065395
    Molecular Formula:
    C14H21ClN2O3S·HCl
    Molecular Weight:
    369.31
  • Agmatine sulfate

    Purity:
    ≥ 93% (HPLC)
    Synonym:
    Argamine sulfate
    Catalog Number:
    10668
    CAS Number:
    2482-00-0
    Purity Limit:
    ≥ 93% (HPLC)
    MDL NO:
    MFCD00013109
    Molecular Formula:
    C5H14N4· H2SO4
    Molecular Weight:
    228.27
  • 4-(4-Azidophenyl)butyric acid

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    10621
    CAS Number:
    103489-33-4
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00798800
    Molecular Formula:
    C10H11N3O2
    Molecular Weight:
    205.22
  • Tosyl-L-Phenylalanine chloromethylketone

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tos-L-Phe-CMK
    Hazmat
    Catalog Number:
    10099
    CAS Number:
    402-71-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00000935
    Molecular Formula:
    C17H18ClNO3S
    Molecular Weight:
    351.85
  • Succinyl-L-proline

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Suc-L-Pro-OH
    Catalog Number:
    10051
    CAS Number:
    63250-32-8
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00057237
    Molecular Formula:
    C9H13NO5
    Molecular Weight:
    215.21
  • Tosyl-L-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tos-L-Ala-OH
    Catalog Number:
    10090
    CAS Number:
    99076-56-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259513
    Molecular Formula:
    C10H13NO4S
    Molecular Weight:
    243.28
  • H-Val-Tyr-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    09326
    CAS Number:
    3061-91-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037182
    Molecular Formula:
    C14H20N2O4
    Molecular Weight:
    280.32
  • 1-Methyl-L-Histidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-His(1-Me)-OH
    Catalog Number:
    09483
    CAS Number:
    332-80-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00005295
    Molecular Formula:
    C7H11N3O
    Molecular Weight:
    169.18
  • H-Val-Val-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    09334
    CAS Number:
    3918-94-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00026463
    Molecular Formula:
    C10H20N2O3
    Molecular Weight:
    216.28
  • H-Tyr-Ala-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    09214
    CAS Number:
    730-08-5
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00020398
    Molecular Formula:
    C12H16N2O4
    Molecular Weight:
    252.27
  • Trp-Tyr-OH

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Tryptophyl-L-tyrosine
    Catalog Number:
    09210
    CAS Number:
    19653-76-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00037962
    Molecular Formula:
    C20H21N3O4
    Molecular Weight:
    367.4
  • L-Ser-Gly-OH

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    L-Seryl-glycine
    Catalog Number:
    09109
    CAS Number:
    687-63-8
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00037778
    Molecular Formula:
    C5H10N2O4
    Molecular Weight:
    162.15
  • Pro-Val-OH

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Prolyl-L-valine
    Catalog Number:
    09095
    CAS Number:
    52899-09-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037867
    Molecular Formula:
    C10H18N2O3
    Molecular Weight:
    214.26
  • Pro-Tyr-OH

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Prolyl-L-tyrosine
    Catalog Number:
    09092
    CAS Number:
    19786-36-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00037870
    Molecular Formula:
    C14H18N2O4
    Molecular Weight:
    278.31
  • O-Acetyl-L-serine hydrochloride

    Purity:
    ≥ 98% (NMR)
    Synonym:
    L-Ser(Ac)-OH·HCl
    Catalog Number:
    09096
    CAS Number:
    66638-22-0
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00060169
    Molecular Formula:
    C5H9NO4·HCl
    Molecular Weight:
    183.59
  • H-Pro-Ile-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    09066
    CAS Number:
    51926-51-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037868
    Molecular Formula:
    C11H20N2O3
    Molecular Weight:
    228.29
  • L-Phenylalanine 7-amido-4-methylcoumarin trifluoroacetate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phe-AMC·TFA
    Catalog Number:
    08991
    CAS Number:
    108321-84-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00167024
    Molecular Formula:
    C19H18N2O3·C2HF3O2
    Molecular Weight:
    436.39
  • Phe-Ala-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phenylalanyl-L-alanine
    Catalog Number:
    08989
    CAS Number:
    3918-87-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037229
    Molecular Formula:
    C12H16N2O3
    Molecular Weight:
    236.27
  • Met-Tyr-OH

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Methionyl-L-tyrosine
    Catalog Number:
    08976
    CAS Number:
    13589-04-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037186
    Molecular Formula:
    C14H20N2O4S
    Molecular Weight:
    312.39
  • Leu-Leu-OMe·HBr

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Leucyl-L-leucine methyl ester hydrobromide
    Catalog Number:
    08813
    CAS Number:
    16689-14-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00216855
    Molecular Formula:
    C13H26N2O3·HBr
    Molecular Weight:
    339.27
  • H-Leu-Trp-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    08841
    CAS Number:
    5156-22-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037951
    Molecular Formula:
    C17H23N3O3
    Molecular Weight:
    317.39
  • H-Leu-Tyr-OH

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    08844
    CAS Number:
    968-21-8
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00020195
    Molecular Formula:
    C15H22N2O4
    Molecular Weight:
    294.35
  • Leu-Phe-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Leucyl-L-phenylalanine
    Catalog Number:
    08826
    CAS Number:
    3063-05-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063156
    Molecular Formula:
    C15H22N2O3
    Molecular Weight:
    278.35
  • Catalog Number:
    08503
    CAS Number:
    54419-93-1
    MDL NO:
    MFCD00038689
    Molecular Formula:
    C10H18N4O5
    Molecular Weight:
    274.28
  • H-Gly-Arg-4MβNA·2HCl

    Purity:
    ≥ 98% (TLC)
    Catalog Number:
    08548
    CAS Number:
    100940-56-5
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00237896
    Molecular Formula:
    C19H26N6O3·2HCl
    Molecular Weight:
    459.38
  • Nδ-4,4'-Dimethoxydityl-L-glutamine methyl ester hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Gln(Dod)-OMe·HCl
    Catalog Number:
    08498
    CAS Number:
    28252-55-3
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD08272681
    Molecular Formula:
    C21H26N2O5·HCl
    Molecular Weight:
    422.91
  • L-α-Methylproline

    Purity:
    ≥ 98% (NMR)
    Synonym:
    α-Me-L-Pro-OH
    Catalog Number:
    08219
    CAS Number:
    42856-71-3
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD01318647
    Molecular Formula:
    C6H11NO2
    Molecular Weight:
    129.16
  • Fmoc-O-phospho-L-serine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-L-Ser(H2PO3)-OH
    Catalog Number:
    08085
    CAS Number:
    158171-15-4
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00672324
    Molecular Formula:
    C18H18NO8P
    Molecular Weight:
    407.32
  • Fmoc-N-methyl-L-threonine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-N-Me-L-Thr-OH
    Catalog Number:
    08078
    CAS Number:
    252049-06-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02094575
    Molecular Formula:
    C20H21NO5
    Molecular Weight:
    355.39
  • D-Lactic acid

    Purity:
    ≥ 99% (TLC)
    Synonym:
    (R)-2-Hydroxypropionic acid
    Catalog Number:
    08023
    CAS Number:
    10326-41-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00068311
    Molecular Formula:
    C3H6O3
    Molecular Weight:
    90.08
  • Boc-Phe-Ser-Arg-AMC·AcOH

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    07884
    CAS Number:
    73554-90-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00152009
    Molecular Formula:
    C33H43N7O8·C2H4O2
    Molecular Weight:
    725.9
  • H-Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Arg-OH·AcOH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Bradykinin
    Catalog Number:
    07913
    CAS Number:
    6846-03-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06763566
    Molecular Formula:
    C50H73N15O11·2H4O2
    Molecular Weight:
    1120.21
  • Catalog Number:
    07933
    CAS Number:
    102601-21-8
    MDL NO:
    MFCD00058183
    Molecular Formula:
    C23H25N5O4·HCl
    Molecular Weight:
    471.94
  • Nα-Boc-Nδ-pyrazinylcarbonyl-L-ornithine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Orn(pyrazinylcarbonyl)-OH
    Catalog Number:
    07871
    CAS Number:
    201046-36-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00672319
    Molecular Formula:
    C15H22N4O5
    Molecular Weight:
    338.36
  • Boc-L-leucine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Leu-OMe
    Catalog Number:
    07855
    CAS Number:
    63096-02-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00076952
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.32
  • H-Allyl-L-glycine

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    L-Gly(allyl)-OH
    Catalog Number:
    07441
    CAS Number:
    16338-48-0
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00002627
    Molecular Formula:
    C5H9NO2
    Molecular Weight:
    115.14
  • Fmoc-β-(3-thienyl)-L-alanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Fmoc-L-Ala-3-(3-thienyl)-OH
    Catalog Number:
    07416
    CAS Number:
    186320-06-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00151916
    Molecular Formula:
    C22H19NO4S
    Molecular Weight:
    393.4