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Peptide Chemistry

Peptide Chemistry

621
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.

  • 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
  • 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:
    ≥ 94% (Assay)
    Synonym:
    L-Leucyl-L-phenylalanine
    Catalog Number:
    08826
    CAS Number:
    3063-05-6
    Purity Limit:
    ≥ 94% (Assay)
    MDL NO:
    MFCD00063156
    Molecular Formula:
    C15H22N2O3
    Molecular Weight:
    278.35
  • His-Leu-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Histidyl-L-leucine
    Catalog Number:
    08714
    CAS Number:
    7763-65-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037860
    Molecular Formula:
    C12H20N4O3
    Molecular Weight:
    268.32
  • 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
  • For-Met-Ala-Ser-OH

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    N-Formyl-Met-Ala-Ser-OH
    Catalog Number:
    08098
    CAS Number:
    17351-32-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00134891
    Molecular Formula:
    C12H21N3O6S
    Molecular Weight:
    335.38
  • 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
  • Fmoc-D-Phe(4-CF3)-OH

    Purity:
    ≥ 98% (Chiral HPLC)
    Synonym:
    Fmoc-4-trifluoromethyl-D-phenylalanine
    Catalog Number:
    07393
    CAS Number:
    238742-88-6
    Purity Limit:
    ≥ 98% (Chiral HPLC)
    MDL NO:
    MFCD00797582
    Molecular Formula:
    C25H20F3NO4
    Molecular Weight:
    455.43
  • p-Trifluoromethyl-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(4-CF3)-OH
    Catalog Number:
    07388
    CAS Number:
    114926-38-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00044946
    Molecular Formula:
    C10H10F3NO2
    Molecular Weight:
    233.19
  • 3-Trifluoromethyl-D-phenylalanine

    Purity:
    ≥ 98%
    Synonym:
    D-Phe(3-CF3)-OH
    Catalog Number:
    07383
    CAS Number:
    14464-67-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD01860875
    Molecular Formula:
    C10H10F3NO2
    Molecular Weight:
    233.19
  • 1,6-Diaminohexane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    1,6-Diaminohexane
    Hazmat
    Catalog Number:
    07374
    CAS Number:
    124-09-4
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008243
    Molecular Formula:
    C6H16N2
    Molecular Weight:
    116.2
  • Fmoc-D-1,2,3,4-tetrahydronorharman-3-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Tpi-OH
    Catalog Number:
    07350
    CAS Number:
    268731-07-3
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01861321
    Molecular Formula:
    C27H22N2O4
    Molecular Weight:
    438.46
  • Fmoc-4-hydrazinobenzoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    4-(Fmoc-hydrazino)-benzoic acid
    Catalog Number:
    07339
    CAS Number:
    214475-53-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD02179643
    Molecular Formula:
    C22H18N2O4
    Molecular Weight:
    374.4
  • Catalog Number:
    07340
    CAS Number:
    207129-12-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01321020
    Molecular Formula:
    C24H26N2O6
    Molecular Weight:
    438.47
  • Fmoc-azetidine-3-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-3-azetidine carboxylic acid
    Catalog Number:
    07330
    CAS Number:
    193693-64-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01321018
    Molecular Formula:
    C19H17NO4
    Molecular Weight:
    323.35
  • Catalog Number:
    07333
    CAS Number:
    268542-17-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02179640
    Molecular Formula:
    C28H36N2O6
    Molecular Weight:
    496.59
  • Catalog Number:
    07324
    CAS Number:
    221352-74-5
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD02179641
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.6
  • Fmoc-D-allyl-Gly-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-2-allylglycine
    Catalog Number:
    07306
    CAS Number:
    170642-28-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01311776
    Molecular Formula:
    C20H19NO4
    Molecular Weight:
    337.37