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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

  • 4'-Hydroxyazobenzene-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    2-(4-Hydroxyphenylazo)benzoic acid
    Catalog Number:
    47505
    CAS Number:
    1634-82-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002428
    Molecular Formula:
    C13H10N2O3
    Molecular Weight:
    242.23
    Specification Sheet SDS

  • 3-Hydroxy-4-nitrobenzoic acid

    Purity:
    ≥ 96% (GC)
    Synonym:
    3H 4N BA
    Catalog Number:
    47504
    CAS Number:
    619-14-7
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00007110
    Molecular Formula:
    C7H5NO5
    Molecular Weight:
    183.12
    Specification Sheet SDS

  • Potassium tetrakis(4-chlorophenyl)borate

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tetrakis(4-chlorophenyl)boron potassium
    Hazmat
    Catalog Number:
    47498
    CAS Number:
    14680-77-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043105
    Molecular Formula:
    C24H16BCl4K
    Molecular Weight:
    496.1
    Specification Sheet SDS

  • 2-Nitrophenylhydrazine hydrochloride

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Hazmat
    Catalog Number:
    47494
    CAS Number:
    6293-87-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060205
    Molecular Formula:
    C6H7N3O2·HCl
    Molecular Weight:
    189.6
    Specification Sheet SDS

  • 1-(5-Fluoro-2,4-dinitrophenyl)-4-methylpiperazine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PPZ
    Catalog Number:
    47496
    CAS Number:
    928830-73-3
    Purity Limit:
    ≥ 98% (HPLC)
    Molecular Formula:
    C11H13FN4O4
    Molecular Weight:
    284.25
    Specification Sheet SDS

  • Girard's reagent P

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    1-(Hydrazinocarbonylmethyl)pyridinium chloride
    Catalog Number:
    47492
    CAS Number:
    1126-58-5
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00011992
    Molecular Formula:
    C7H10ClN3O
    Molecular Weight:
    187.63
    Specification Sheet SDS

  • N-(9-Acridinyl)maleimide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    N-(9-Acridinyl)maleimide
    Catalog Number:
    47478
    CAS Number:
    49759-20-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00042983
    Molecular Formula:
    C17H10N2O2
    Molecular Weight:
    274.28
    Specification Sheet SDS

  • 4-[2-(Dimethylamino)ethylaminosulfonyl-7-chloro-2,1,3-benzoxadiazole]

    Synonym:
    4-[2-(Dimethylamino)ethylaminosulfonyl]-7-chloro-2,1,3-benzoxadiazole
    Catalog Number:
    47479
    CAS Number:
    664985-43-7
    Molecular Formula:
    C10H13ClN4O3S
    Molecular Weight:
    304.76
    Specification Sheet SDS

  • Succinimidyl 6-[[7-(N,N-Dimethylaminosulfonyl)-2,1,3-benzoxadiazol-4-yl]amino]hexanoate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(N,N-Dimethylaminosulfonyl)-7-[5-(succinimidyloxycarbonyl)pentylamino]-2,1,3-benzoxadiazole
    Catalog Number:
    47457
    CAS Number:
    1858255-08-9
    Purity Limit:
    ≥ 98% (HPLC)
    Molecular Formula:
    C18H23N5O7S
    Molecular Weight:
    453.47
    Specification Sheet SDS

  • 4-(N,N-Dimethylaminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-(N,N-Dimethylaminosulfonyl)-7-fluoro-2,1,3-benzoxadiazole
    Catalog Number:
    47449
    CAS Number:
    98358-90-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00143356
    Molecular Formula:
    C8H8FN3O3S
    Molecular Weight:
    245.23
    Specification Sheet SDS

  • n-Octane

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Hazmat
    Catalog Number:
    47407
    CAS Number:
    111-65-9
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00009556
    Molecular Formula:
    C8H18
    Molecular Weight:
    114.23
    Specification Sheet SDS

  • 2,2,4-Trimethylpentane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Isooctane
    Hazmat
    Catalog Number:
    47408
    CAS Number:
    540-84-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00008943
    Molecular Formula:
    C8H18
    Molecular Weight:
    114.23
    Specification Sheet SDS

  • Methylcyclohexane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Hexahydrotoluene
    Hazmat
    Catalog Number:
    47406
    CAS Number:
    108-87-2
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001497
    Molecular Formula:
    C7H14
    Molecular Weight:
    98.19
    Specification Sheet SDS

  • Crystal violet nonahydrate

    Hazmat
    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    Basic violet 3 nonahydrate
    Hazmat
    Catalog Number:
    47401
    CAS Number:
    60662-33-1
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD00011750
    Molecular Formula:
    C25H30N3·Cl·9H2O
    Molecular Weight:
    570.13
    Specification Sheet SDS

  • 8-Mercaptoquinoline hydrochloride

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    8-Quinolinethiol hydrochloride
    Catalog Number:
    47403
    CAS Number:
    34006-16-1
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD00043261
    Molecular Formula:
    C9H7NS·HCl
    Molecular Weight:
    197.68
    Specification Sheet SDS

  • 1-Chlorobutane

    Hazmat
    Purity:
    ≥ 99% (GC)
    Synonym:
    Butyl chloride
    Hazmat
    Catalog Number:
    47399
    CAS Number:
    109-69-3
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00001009
    Molecular Formula:
    C4H9Cl
    Molecular Weight:
    92.57
    Specification Sheet SDS

  • Sodium tetrakis(4-fluorophenyl)borate hydrate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Tetrakis(4-fluorophenyl)boron sodium hydrate
    Catalog Number:
    47402
    CAS Number:
    385812-51-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD02183482
    Molecular Formula:
    C24H16BF4·Na·xH2O
    Molecular Weight:
    414.19
    Specification Sheet SDS

  • Ethyl violet

    Purity:
    ≥ 98% (Assay by titration)
    Synonym:
    Basic violet 4
    Catalog Number:
    47404
    CAS Number:
    65121-93-9
    Purity Limit:
    ≥ 98% (Assay by titration)
    MDL NO:
    MFCD00011765
    Molecular Formula:
    C31H42ClN3·0.5ZnCl2
    Molecular Weight:
    560.29
    Specification Sheet SDS

  • 1-Methyl-4-(4-diethylaminophenylazo)pyridinium iodide

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    MDEPAP
    Catalog Number:
    47400
    CAS Number:
    74920-80-2
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00082424
    Molecular Formula:
    C16H21N4·I
    Molecular Weight:
    396.27
    Specification Sheet SDS

  • N-Methyl-(S)-valine benzyl ester

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Benzyl (2S)-3-methyl-2-(methylamino)butanoate
    Catalog Number:
    47362
    CAS Number:
    81135-38-8
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD02094393
    Molecular Formula:
    C13H19NO2
    Molecular Weight:
    221.3
    Specification Sheet SDS

  • Fmoc-D-Phe(3-COOtBu)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47027
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C29H29NO6
    Molecular Weight:
    487.54
    SDS

  • Fmoc-Phe(3-COOAll)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47028
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C28H25NO6
    Molecular Weight:
    471.5
    SDS

  • Fmoc-N-Me-Phe(4-COOtBu)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47024
    CAS Number:
    2708283-41-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD33405104
    Molecular Formula:
    C30H31NO6
    Molecular Weight:
    501.57
    Specification Sheet SDS

  • Fmoc-D-Phe(3-COOAll)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47029
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C28H25NO6
    Molecular Weight:
    471.5
    SDS

  • Fmoc-N-Me-D-Phe(3-COOtBu)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47031
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C30H31NO6
    Molecular Weight:
    501.57
    SDS

  • Fmoc-N-Me-Phe(3-COOtBu)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47030
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C30H31NO6
    Molecular Weight:
    501.57
    SDS

  • Fmoc-Phe(3-COOtBu)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47026
    CAS Number:
    210282-33-0
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD34186936
    Molecular Formula:
    C29H29NO6
    Molecular Weight:
    487.54
    Specification Sheet SDS

  • Fmoc-D-Phe(4-COOtBu)-OH

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Catalog Number:
    47021
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C29H29NO6
    Molecular Weight:
    487.54
    SDS

  • Fmoc-N-Me-D-Phe(4-COOtBu)-OH

    Purity:
    ≥ 99% (Chiral HPLC)
    Catalog Number:
    47025
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    Molecular Formula:
    C30H31NO6
    Molecular Weight:
    501.57
    SDS

  • Fmoc-D-Phe(4-COOAll)-OH

    Purity:
    ≥ 98.5% (Chiral HPLC)
    Catalog Number:
    47023
    Purity Limit:
    ≥ 98.5% (Chiral HPLC)
    Molecular Formula:
    C28H25NO6
    Molecular Weight:
    471.5
    SDS

  • Fmoc-Met-Thr(Psi(Me,Me)pro)-OH

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    46594
    CAS Number:
    1451181-13-7
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD32202312
    Molecular Formula:
    C27H32N2O6S
    Molecular Weight:
    512.2
    Specification Sheet SDS

  • Fmoc-Arg(Pbf)-Ser(Psi(Me,Me)pro)-OH

    Purity:
    ≥ 97% (HPLC)
    Catalog Number:
    46591
    CAS Number:
    2108145-17-9
    Purity Limit:
    ≥ 97% (HPLC)
    Molecular Formula:
    C40H49N5O9S
    Molecular Weight:
    775.92
    Specification Sheet SDS

  • Fmoc-Arg(Pbf)-Thr(Psi(Me,Me)pro)-OH

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    (4S,5R)-3-(N-alpha-(9-Fluorenylmethyloxycarbonyl)-N'-2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl-L-arginyl)- 2,2,5-trimethyloxazolidine-4-carboxylic acid
    Catalog Number:
    46592
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD34705302
    Molecular Formula:
    C41H51N5O9S
    Molecular Weight:
    789.93
    Specification Sheet SDS

  • Stannous chloride dihydrate

    Hazmat
    Grade:
    Meets USP specification
    Purity:
    98 - 102% (Assay by titration)
    Synonym:
    Tin(II) chloride dihydrate
    Hazmat
    Catalog Number:
    46527
    Grade:
    Meets USP specification
    CAS Number:
    10025-69-1
    Purity Limit:
    98 - 102% (Assay by titration)
    MDL NO:
    MFCD00149863
    Molecular Formula:
    SnCl2·2H2O
    Molecular Weight:
    225.63
    Specification Sheet SDS

  • Nα-Acetyl-Nω-(2,2,4,6,7-pentamethyldihydrobenzofuran-5-sulfonyl)-L-arginine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Ac-L-Arg(Pbf)-OH
    Catalog Number:
    46512
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    Molecular Formula:
    C21H32N4O6S
    Molecular Weight:
    466.53
    Specification Sheet SDS

  • Acetyl-L-cysteine, from Non-animal source

    Grade:
    Japanese Standards of Quasi-drug Ingredients
    Purity:
    ≥ 98% (Assay)
    Synonym:
    Ac-L-Cys-OH
    Catalog Number:
    46513
    Grade:
    Japanese Standards of Quasi-drug Ingredients
    CAS Number:
    616-91-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00004880
    Molecular Formula:
    C5H9NO3S
    Molecular Weight:
    163.2
    Specification Sheet SDS

  • tert-Butyl (R)-2-(2,6-dichlorophenyl)-5-oxo-3-[(R)-1-phenylethyl]imidazolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (R)-3-(tert-Butoxycarbonyl)-2-(2,6-dichlorophenyl)-1-[(R)-1-phenylethyl]imidazolidin-4-one
    Catalog Number:
    44467
    CAS Number:
    1004755-00-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30187600
    Molecular Formula:
    C22H24Cl2N2O3
    Molecular Weight:
    435.35
    Specification Sheet SDS

  • tert-Butyl (S)-2-(2,6-dichlorophenyl)-5-oxo-3-[(S)-1-phenylethyl]imidazolidine-1-carboxylate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    (S)-3-(tert-Butoxycarbonyl)-2-(2,6-dichlorophenyl)-1-[(S)-1-phenylethyl]imidazolidin-4-one
    Catalog Number:
    44468
    CAS Number:
    1149765-08-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30187601
    Molecular Formula:
    C22H24Cl2N2O3
    Molecular Weight:
    435.35
    Specification Sheet SDS

  • Benzyl chloroformate (30-35% in Toluene)

    Hazmat
    Purity:
    30 - 35% (Assay by titration)
    Synonym:
    Carbobenzoxy Chloride (30-35% in Toluene)
    Hazmat
    Catalog Number:
    42370
    CAS Number:
    501-53-1
    Purity Limit:
    30 - 35% (Assay by titration)
    MDL NO:
    MFCD00000640
    Molecular Formula:
    C8H7ClO2
    Molecular Weight:
    170.59
    Specification Sheet SDS

  • Phenylthiohydantoin-isoleucine (contains PTH-alloisoleucine)

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-sec-Butyl-3-phenyl-2-thiohydantoin (contains PTH-alloisoleucine)
    Catalog Number:
    41756
    CAS Number:
    5066-94-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00057213
    Molecular Formula:
    C13H16N2OS
    Molecular Weight:
    248.34
    Specification Sheet SDS

  • Phenylthiohydantoin-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PTH-proline
    Catalog Number:
    41764
    CAS Number:
    4333-21-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00056895
    Molecular Formula:
    C12H12N2OS
    Molecular Weight:
    232.3
    Specification Sheet SDS

  • Phenylthiohydantoin-arginine hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(3-Guanidinopropyl)-3-phenyl-2-thiohydantoin hydrochloride
    Catalog Number:
    41763
    CAS Number:
    182153-75-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00060177
    Molecular Formula:
    C13H17N5OS·HCl
    Molecular Weight:
    327.83
    Specification Sheet SDS

  • Phenylthiohydantoin-D-threonine

    Purity:
    ≥ 90% (HPLC)
    Synonym:
    5-Ethylidene-3-phenyl-2-thiohydantoin
    Catalog Number:
    41762
    CAS Number:
    5800-50-0
    Purity Limit:
    ≥ 90% (HPLC)
    MDL NO:
    MFCD00070617
    Molecular Formula:
    C11H10N2OS
    Molecular Weight:
    218.27
    Specification Sheet SDS

  • Phenylthiohydantoin-(Ne-phenylthiocarbamyl)-lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PTH-(Ne-PTC)-lysine
    Catalog Number:
    41757
    CAS Number:
    29635-94-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151476
    Molecular Formula:
    C20H22N4OS2
    Molecular Weight:
    398.54
    Specification Sheet SDS

  • Phenylthiohydantoin-valine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-Isopropyl-3-phenyl-2-thiohydantoin
    Catalog Number:
    41758
    CAS Number:
    4333-20-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06858300
    Molecular Formula:
    C12H14N2OS
    Molecular Weight:
    234.32
    Specification Sheet SDS

  • Phenylthiohydantoin methionine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-[2-(Methylthio)ethyl]-3-phenyl-2-thiohydantoin
    Catalog Number:
    41765
    CAS Number:
    4370-90-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06858379
    Molecular Formula:
    C12H14N2OS2
    Molecular Weight:
    266.38
    Specification Sheet SDS

  • Phenylthiohydantoin-aspartic acid

    Purity:
    ≥ 95% (Assay by titration)
    Synonym:
    3-Phenyl-2-thiohydantoin-5-acetic acid
    Catalog Number:
    41759
    CAS Number:
    5624-13-5
    Purity Limit:
    ≥ 95% (Assay by titration)
    MDL NO:
    MFCD01076622
    Molecular Formula:
    C11H10N2O3S
    Molecular Weight:
    250.27
    Specification Sheet SDS

  • Phenylthiohydantoin-glycine

    Hazmat
    Purity:
    ≥ 98% (HPLC)
    Synonym:
    3-Phenyl-2-thiohydantoin
    Hazmat
    Catalog Number:
    41761
    CAS Number:
    2010-15-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00027413
    Molecular Formula:
    C9H8N2OS
    Molecular Weight:
    192.24
    Specification Sheet SDS

  • Pentachlorophenyl trichloroacetate

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Trichloroacetic acid pentachlorophenyl ester
    Catalog Number:
    41749
    CAS Number:
    2879-60-9
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00059487
    Molecular Formula:
    C8Cl8O2
    Molecular Weight:
    411.69
    Specification Sheet SDS

  • Phenylthiohydantoin-tryptophan

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    5-(3-Indolylmethyl)-3-phenyl-2-thiohydantoin
    Catalog Number:
    41760
    CAS Number:
    5789-24-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06858416
    Molecular Formula:
    C18H15N3OS
    Molecular Weight:
    321.4
    Specification Sheet SDS
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