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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.

  • L-Glutamine, from non-animal origin

    Grade:
    meets USP, EP, JP testing specifications, suitable for cell culture
    Purity:
    99 - 101% (Assay by titration,on dry basis)
    Synonym:
    L-Gln-OH
    Catalog Number:
    33066
    Grade:
    meets USP, EP, JP testing specifications, suitable for cell culture
    CAS Number:
    56-85-9
    Purity Limit:
    99 - 101% (Assay by titration,on dry basis)
    MDL NO:
    MFCD00008044
    Molecular Formula:
    C5H10N2O3
    Molecular Weight:
    146.15
  • Catalog Number:
    33175
    MDL NO:
    MFCD00283479
    Molecular Weight:
    0.0
  • Angiotensin II acetate salt

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    H-Asp-Arg-Val-Tyr-Ile-His-Pro-Phe-OH acetate salt
    Catalog Number:
    32970
    CAS Number:
    4474-91-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00133092
    Molecular Formula:
    C50H71N13O12·C2H4O2
    Molecular Weight:
    1106.24
  • Z-Arg-Arg-AMC hydrochloride salt

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    32723
    CAS Number:
    88937-61-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00133576
    Molecular Formula:
    C30H39N9O6 · HCl
    Molecular Weight:
    658.15
  • Leupeptin

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Ac-Leu-Leu-Arg-aldehyde · sulfate salt
    Catalog Number:
    32802
    CAS Number:
    103476-89-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00081028
    Molecular Formula:
    2C20H38N6O4·H2SO4
    Molecular Weight:
    951.2
  • H-His-His-OH trifluoroacetate salt

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    32820
    CAS Number:
    306-14-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02259555
    Molecular Formula:
    C12H16N6O3·C2HF3O2
    Molecular Weight:
    406.32
  • H-Gly-Gly-Arg-OH acetate salt

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    32669
    CAS Number:
    54944-27-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00079325
    Molecular Formula:
    C10H20N6O4·C2H4O2
    Molecular Weight:
    348.35
  • H-Ser-Pro-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    32587
    CAS Number:
    23827-93-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037333
    Molecular Formula:
    C8H14N2O4
    Molecular Weight:
    202.21
  • Bis-Boc-amino-oxyacetic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Bis-Boc-Aoa
    Catalog Number:
    31884
    CAS Number:
    293302-31-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06410966
    Molecular Formula:
    C12H21NO7
    Molecular Weight:
    291.3
  • Copper(I) bromide dimethyl sulfide complex

    Hazmat
    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Copper(I) bromide methyl sulfide complex
    Hazmat
    Catalog Number:
    31863
    CAS Number:
    54678-23-8
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00043295
    Molecular Formula:
    C2H6BrCuS
    Molecular Weight:
    205.58
  • Fmoc-S-4-methyltrityl-D-cysteine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Cys(Mtt)-OH
    Catalog Number:
    31113
    CAS Number:
    252206-29-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD14155676
    Molecular Formula:
    C38H33NO4S
    Molecular Weight:
    599.75
  • 2-(R)-Fmoc-amino-3-azidopropionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Ala(N3)-OH
    Catalog Number:
    30527
    CAS Number:
    1016163-79-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18427301
    Molecular Formula:
    C18H16N4O4
    Molecular Weight:
    352.3
  • Nα-Fmoc-Nε-Octanoyl-L-Lysine

    Purity:
    ≥ 99% (Assay by titration, HPLC)
    Synonym:
    Fmoc-L-Lys(Octanoyl)-OH
    Catalog Number:
    30545
    CAS Number:
    1128181-16-7
    Purity Limit:
    ≥ 99% (Assay by titration, HPLC)
    MDL NO:
    MFCD24849706
    Molecular Formula:
    C29H38N2O5
    Molecular Weight:
    494.6
  • (2S,3S)-(Fmoc-amino)-3-allyloxycarbonyl-aminobutyric acid

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Fmoc-L-Abu(3S-Alloc-amino)-OH
    Catalog Number:
    30537
    CAS Number:
    1272754-91-2
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD07366900
    Molecular Formula:
    C23H24N2O6
    Molecular Weight:
    424.4
  • Fmoc-8-amino-3,6-dioxaoctanoyl-8-amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-AEEA-AEEA
    Catalog Number:
    30525
    CAS Number:
    560088-89-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD09752868
    Molecular Formula:
    C27H34N2O9
    Molecular Weight:
    530.6
  • Nα-Azido-Nε-Boc-L-Lysine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (S)-(-)-2-Azido-6-(Boc-amino)hexanoic acid
    Catalog Number:
    30513
    CAS Number:
    333366-32-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD22690660
    Molecular Formula:
    C11H20N4O4
    Molecular Weight:
    272.3
  • (4S)-3-Fmoc-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-Thz(Me2)-OH
    Catalog Number:
    30522
    CAS Number:
    1932198-36-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06858314
    Molecular Formula:
    C21H21NO4S
    Molecular Weight:
    383.5
  • (4R)-Fmoc-2,2-dimethyl-1,3-thiazolidine-4-carboxylic acid

    Purity:
    98.5 - 100.0% (Assay by titration)
    Synonym:
    Fmoc-L-Thz(Me2)-OH
    Catalog Number:
    30523
    CAS Number:
    873842-06-9
    Purity Limit:
    98.5 - 100.0% (Assay by titration)
    MDL NO:
    MFCD05665145
    Molecular Formula:
    C21H21NO4S
    Molecular Weight:
    383.5
  • Nα-Boc-Nε-Azido-L-Lysine cyclohexylammonium salt

    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    (S)-6-azido-2-(Boc-amino)hexanoic acid cyclohexylamine salt
    Catalog Number:
    30471
    CAS Number:
    846549-33-5
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD18426564
    Molecular Formula:
    C17H33N5O4
    Molecular Weight:
    371.5
  • (4S)-Azido-L-Proline hydrochloride

    Purity:
    ≥ 99% (HPLC, TLC)
    Synonym:
    H-L-Pro(4S-N3)-OH·HCl
    Catalog Number:
    30465
    CAS Number:
    1217823-31-8, 892128-58-4
    Purity Limit:
    ≥ 99% (HPLC, TLC)
    MDL NO:
    MFCD08690634
    Molecular Formula:
    C5H9ClN4O2
    Molecular Weight:
    192.6
  • 8-Amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    [2-(2-Aminoethoxy)ethoxy]acetic acid
    Catalog Number:
    30454
    CAS Number:
    134978-97-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD13185897
    Molecular Formula:
    C6H13NO4
    Molecular Weight:
    163.2
  • Fmoc-Gln(Trt)-Thr[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Gln(Trt)-Thr[Y(Me,Me)Pro]-OH
    Catalog Number:
    30326
    CAS Number:
    1572725-72-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD10001377
    Molecular Formula:
    C46H45N3O7
    Molecular Weight:
    751.88
  • Fmoc-Glu(OtBu)-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Fmoc-Glu(OtBu)-Ser[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30306
    CAS Number:
    909115-33-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD18427719
    Molecular Formula:
    C30H36N2O8
    Molecular Weight:
    552.62
  • 2-(4-Carbamimidoylphenyl)-1H-indole-6-carboxamidine dihydrochloride

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    DAPI dihydrochloride
    Catalog Number:
    29999
    CAS Number:
    28718-90-3
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00012681
    Molecular Formula:
    C16H15N5·2HCl
    Molecular Weight:
    350.25
  • S-Adenosyl-L-methionine disulfate tosylate

    Grade:
    USP
    Purity:
    95 - 105% (Assay on anhydrous basis)
    Synonym:
    Ademetionine disulfate tosylate
    Catalog Number:
    29902
    Grade:
    USP
    CAS Number:
    97540-22-2
    Purity Limit:
    95 - 105% (Assay on anhydrous basis)
    MDL NO:
    MFCD01674068
    Molecular Formula:
    C22H34N6O16S4
    Molecular Weight:
    766.8
  • L-γ-Glutamyl-p-nitroanilide monohydrate

    Synonym:
    L-Glutamic acid 5-(4-nitroanilide) monohydrate
    Catalog Number:
    29901
    CAS Number:
    7300-59-6
    MDL NO:
    MFCD00066286
    Molecular Formula:
    C11H13N3O5·H2O
    Molecular Weight:
    285.25
  • L-Glutamine

    Grade:
    Meets USP specification
    Purity:
    98.5 - 101.5% (Assay by titration)
    Synonym:
    L-Gln-OH
    Catalog Number:
    29801
    Grade:
    Meets USP specification
    CAS Number:
    56-85-9
    Purity Limit:
    98.5 - 101.5% (Assay by titration)
    MDL NO:
    MFCD00008044
    Molecular Formula:
    C5H10N2O3
    Molecular Weight:
    146.15
  • Catalog Number:
    29632
    CAS Number:
    1185841-84-2
    Purity Limit:
    ≥ 96% (HPLC)
    MDL NO:
    MFCD15141977
    Molecular Formula:
    C36H44N4O7S
    Molecular Weight:
    676.83
  • Fmoc-(4S)-4-azido-L-proline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Pro(4-N3)-OH (2S,4S)
    Catalog Number:
    29779
    CAS Number:
    263847-08-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04115792
    Molecular Formula:
    C20H18N4O4
    Molecular Weight:
    378.39
  • Fmoc-5-methoxy-L-tryptophan

    Purity:
    ≥ 98.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Trp(5-OMe)-OH
    Catalog Number:
    29726
    CAS Number:
    1219184-52-7, 460751-69-3
    Purity Limit:
    ≥ 98.5% (Chiral HPLC)
    MDL NO:
    MFCD28166522
    Molecular Formula:
    C27H24N2O5
    Molecular Weight:
    456.49
  • Succinimidyl iodoacetate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    SIA
    Catalog Number:
    22998
    CAS Number:
    39028-27-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00058451
    Molecular Formula:
    C6H6NO4I
    Molecular Weight:
    283.02
  • N-Tosyl-L-alanyloxyindole

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N-Tosyl-L-alanine 3-indoxyl ester
    Catalog Number:
    21454
    CAS Number:
    75062-54-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03701236
    Molecular Formula:
    C18H18N2O4S
    Molecular Weight:
    358.42
  • Fmoc-α-methyl-D-4-fluorophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-α-Me-D-Phe(4-F)-OH
    Catalog Number:
    16738
    CAS Number:
    1217777-84-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08061622
    Molecular Formula:
    C25H22FNO4
    Molecular Weight:
    419.44
  • H-Pro-Met-OH

    Purity:
    ≥ 99% (TLC)
    Catalog Number:
    16326
    CAS Number:
    52899-08-8
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00057180
    Molecular Formula:
    C10H18N2O3S
    Molecular Weight:
    246.33
  • Nα-Fmoc-Nε-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)-3-methylbutyl-D-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Lys(ivDde)-OH
    Catalog Number:
    16193
    CAS Number:
    1272755-33-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06796894
    Molecular Formula:
    C34H42N2O6
    Molecular Weight:
    574.7
  • Boc-(±)-trans-4-isopropylpyrrolidine-3-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-trans-DL-β-Pro-4-(isopropyl)-OH
    Catalog Number:
    16063
    CAS Number:
    1212348-80-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD06659330
    Molecular Formula:
    C13H23NO4
    Molecular Weight:
    257.33
  • Boc-R)-γ-(4-bromobenzyl)-L-proline

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    15910
    CAS Number:
    959576-28-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD06659403
    Molecular Formula:
    C17H22BrNO4
    Molecular Weight:
    384.27
  • Catalog Number:
    15877
    CAS Number:
    1217830-70-0
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD06659377
    Molecular Formula:
    C11H14N2O2·2HCl
    Molecular Weight:
    279.17
  • Boc-(S)-3-amino-3-(2-hydroxyphenyl)propionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-β-Phe(2-OH)-OH
    Catalog Number:
    15650
    CAS Number:
    499995-78-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03427901
    Molecular Formula:
    C14H19NO5
    Molecular Weight:
    281.31
  • Fmoc-(R)-3-amino-3-(3-cyanophenyl)propionic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-Phe(3-CN)-OH
    Catalog Number:
    15593
    CAS Number:
    517905-91-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03428043
    Molecular Formula:
    C25H20N2O4
    Molecular Weight:
    412.44
  • (+)-(1R,4S)-4-Aminocyclopent-2-enecarboxylic acid

    Purity:
    ≥ 98%
    Synonym:
    (+)-(1R,4S)-γ-Homocycloleu-2-ene
    Catalog Number:
    15211
    CAS Number:
    134003-04-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00211285
    Molecular Formula:
    C6H9NO2
    Molecular Weight:
    127.14
  • Fmoc-Ala-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-Ala-Ser(`Me,Mepro)-OH
    Catalog Number:
    15083
    CAS Number:
    252554-78-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD11226795
    Molecular Formula:
    C24H26N2O6
    Molecular Weight:
    438.48
  • Fmoc-3-bromo-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(3-Br)-OH
    Catalog Number:
    15120
    CAS Number:
    220497-48-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01311744
    Molecular Formula:
    C24H20BrNO4
    Molecular Weight:
    466.3
  • Fmoc-3-chloro-L-tyrosine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-m-chloro-L-Tyr-OH
    Catalog Number:
    15121
    CAS Number:
    478183-58-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02682261
    Molecular Formula:
    C24H20ClNO5
    Molecular Weight:
    437.88
  • Nα-Fmoc-Nε-7-methoxycoumarin-4-acetyl-L-lysine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-L-Lys(Mca)-OH
    Catalog Number:
    14855
    CAS Number:
    386213-32-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD03791024
    Molecular Formula:
    C33H32N2O8
    Molecular Weight:
    584.63
  • Fmoc-S-4-methoxytrityl-D-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Cys(Mmt)-OH
    Catalog Number:
    14848
    CAS Number:
    1198791-73-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02094091
    Molecular Formula:
    C38H33NO5S
    Molecular Weight:
    615.75
  • Nα,Nα-Bis-Fmoc-L-cystine bis(tert-butyl ester)

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (Fmoc-L-Cys-OtBu)2
    Catalog Number:
    14665
    CAS Number:
    139592-37-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD08458535
    Molecular Formula:
    C44H48N2O8S2
    Molecular Weight:
    797.01
  • Fmoc-S-trityl-D-homocysteine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-D-Homocys(Trt)-OH
    Catalog Number:
    14497
    CAS Number:
    1007840-62-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD05663440
    Molecular Formula:
    C38H33NO4S
    Molecular Weight:
    599.74
  • Nγ-Ethyl-L-glutamine

    Purity:
    ≥ 99% (Titration)
    Synonym:
    L-Theanine
    Catalog Number:
    14293
    CAS Number:
    3081-61-6
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00059653
    Molecular Formula:
    C7H14N2O3
    Molecular Weight:
    174.2
  • Fmoc-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-homoarginine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-HomoArg(Pbf)-OH
    Catalog Number:
    14077
    CAS Number:
    1159680-21-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD03093571
    Molecular Formula:
    C35H42N4O7S
    Molecular Weight:
    662.8