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Peptide Chemistry

Peptide Chemistry

6248
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 232
Resins For Solid Phase Synthesis 253
Small Peptides 76
Substrates 571
Unusual Amino Acids 2214

  • Boc-D-β-homoleucine

    Purity:
    ≥ 97% (TLC)
    Synonym:
    Boc-D-β-HomoLeu-OH
    Catalog Number:
    31963
    CAS Number:
    146398-18-7
    Purity Limit:
    ≥ 97% (TLC)
    MDL NO:
    MFCD01076256
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.3
    Specification Sheet SDS

  • Nα-Fmoc-Nδ-trityl-L-Ornithine

    Purity:
    ≥ 99.9% (Chiral HPLC)
    Synonym:
    Fmoc-L-Orn(Trt)-OH
    Catalog Number:
    31954
    CAS Number:
    1998701-26-0
    Purity Limit:
    ≥ 99.9% (Chiral HPLC)
    MDL NO:
    MFCD30478737
    Molecular Formula:
    C39H36N2O4
    Molecular Weight:
    596.71
    Specification Sheet SDS

  • N-Boc-O-tosyl hydroxylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    tert-Butyl ([(4-methylphenyl)sulfonyl]oxy)carbamate
    Catalog Number:
    31977
    CAS Number:
    105838-14-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD22201097
    Molecular Formula:
    C12H17NO5S
    Molecular Weight:
    287.33
    Specification Sheet SDS

  • Nβ-Fmoc-Nω-Boc-D-β-homolysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-^-HomoLys(Boc)-OH
    Catalog Number:
    31971
    CAS Number:
    266318-77-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD06202397
    Molecular Formula:
    C27H34N2O6
    Molecular Weight:
    482.58
    Specification Sheet SDS

  • Boc-D-β-homovaline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-D-β-HomoVal-OH
    Catalog Number:
    31964
    CAS Number:
    179412-79-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01076234
    Molecular Formula:
    C11H21NO4
    Molecular Weight:
    231.29
    Specification Sheet SDS

  • Fmoc-D-β-homovaline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-HomoVal-OH
    Catalog Number:
    31955
    CAS Number:
    266318-79-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD03095625
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.42
    Specification Sheet SDS

  • D-β-Homotryptophan hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    D-β-HomoTrp-OH·HCl
    Catalog Number:
    31968
    CAS Number:
    477250-51-4
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD22422571
    Molecular Formula:
    C12H14N2O2·HCl
    Molecular Weight:
    254.72
    Specification Sheet SDS

  • Fmoc-O-tert-butyl-D-β-homotyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-D-β-HomoTyr(tBu)-OH
    Catalog Number:
    31973
    CAS Number:
    1233495-02-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD09842085
    Molecular Formula:
    C29H31NO5
    Molecular Weight:
    473.56
    Specification Sheet SDS

  • Fmoc-4-acetyl-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(4-Ac)-OH
    Catalog Number:
    31952
    CAS Number:
    204716-07-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01317022
    Molecular Formula:
    C26H23NO5
    Molecular Weight:
    429.46
    Specification Sheet SDS

  • L-Glutamic acid dibenzyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Glu(OBzl)-OBzl·HCl
    Catalog Number:
    31943
    CAS Number:
    4561-10-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00035103
    Molecular Formula:
    C19H21NO4·HCl
    Molecular Weight:
    363.84
    Specification Sheet SDS

  • (S)-1-Boc-3-methylpiperazine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    tert-Butyl (S-3-methyl-1-piperazinecarboxylate
    Catalog Number:
    31870
    CAS Number:
    147081-29-6
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD02683204
    Molecular Formula:
    C10H20N2O2
    Molecular Weight:
    200.28
    Specification Sheet SDS

  • Boc-L-cyclopentylglycine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-Gly(cyclopentyl)-OH
    Catalog Number:
    31882
    CAS Number:
    109183-72-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00671385
    Molecular Formula:
    C12H21NO4
    Molecular Weight:
    243.3
    Specification Sheet SDS

  • Fmoc-L-Met-MPPA(Wang) resin (0.3-0.8 meq/g, 100-200 mesh)

    Catalog Number:
    31720
    MDL NO:
    MFCD00801264
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-L-Lys(Boc)-MPPA(Wang) resin (0.3-0.8 meq/g, 100-200 mesh)

    Catalog Number:
    31719
    MDL NO:
    MFCD00801263
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Di-tert-butyl pyrocarbonate, 90% in THF

    Hazmat
    Hazmat
    Catalog Number:
    31871
    CAS Number:
    24424-99-5
    MDL NO:
    MFCD00008805
    Molecular Weight:
    0.0
    SDS

  • Fmoc-L-Asp(OtBu)-MPPA(Wang) resin (0.3-0.8 meq/g, 100-200 mesh)

    Catalog Number:
    31716
    MDL NO:
    MFCD00801229
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-L-Leu-MPPA(Wang) resin (0.3-0.8 meq/g, 100-200 mesh)

    Catalog Number:
    31718
    MDL NO:
    MFCD00801260
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Nα-Fmoc-Nβ-Boc-Nβ-methyl-L-2,3-diaminopropionic acid

    Purity:
    ≥ 99.7% (Chiral HPLC)
    Synonym:
    Fmoc-L-Dap(Boc, Me)-OH
    Catalog Number:
    31632
    CAS Number:
    446847-80-9
    Purity Limit:
    ≥ 99.7% (Chiral HPLC)
    MDL NO:
    MFCD31380696
    Molecular Formula:
    C24H28N2O6
    Molecular Weight:
    440.49
    Specification Sheet SDS

  • (2S,4S)-Fmoc-4-aminomethyl-1-Boc-pyrrolidine-2-carboxylic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-L-trans-Pro(4-CH2NH-Fmoc)-OH
    Catalog Number:
    31654
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01860675
    Molecular Formula:
    C26H30N2O6
    Molecular Weight:
    466.53
    Specification Sheet SDS

  • (2S,4R)-Fmoc-4-aminomethyl-1-Boc-pyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-cis-Pro(4-CH2NH-Fmoc)-OH
    Catalog Number:
    31655
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD30749164
    Molecular Formula:
    C26H30N2O6
    Molecular Weight:
    466.53
    Specification Sheet SDS

  • Nα-Fmoc-Nα-methyl-Nδ-Boc-L-ornithine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-N-Me-L-Orn(Boc)-OH
    Catalog Number:
    31671
    CAS Number:
    1793105-28-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD04973184
    Molecular Formula:
    C26H32N2O6
    Molecular Weight:
    468.55
    Specification Sheet SDS

  • Fmoc-(3R,4S)-4-amino-3-hydroxy-6-methyl-heptanoic acid

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    31672
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04114028
    Molecular Formula:
    C23H27NO5
    Molecular Weight:
    397.47
    Specification Sheet SDS

  • Fmoc-L-Arg(Pmc)-Wang resin (0.3-0.8 meq/g, 100-200 mesh)

    Catalog Number:
    31715
    MDL NO:
    MFCD00801275
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • 4-cis-[(Boc)2-guanidino]cyclohexane carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    31643
    CAS Number:
    1263045-22-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD18426571
    Molecular Formula:
    C18H31N3O6
    Molecular Weight:
    385.5
    Specification Sheet SDS

  • Mal-L-Dap(Boc)-OH·DCHA

    Purity:
    ≥ 99.7% (Chiral HPLC)
    Synonym:
    Mal-Dap(Boc)·DCHA
    Catalog Number:
    31633
    CAS Number:
    1491152-23-8
    Purity Limit:
    ≥ 99.7% (Chiral HPLC)
    MDL NO:
    MFCD27952860
    Molecular Formula:
    C24H39N3O6
    Molecular Weight:
    465.6
    Specification Sheet SDS

  • N-(5-Chloro-2-pyridyl)bis(trifluoromethanesulfonimide)

    Purity:
    ≥ 99%(GC, HPLC)
    Synonym:
    2-[N,N-Bis(trifluoromethylsulfonyl)amino]-5-chloropyridine
    Catalog Number:
    31548
    CAS Number:
    145100-51-2
    Purity Limit:
    ≥ 99%(GC, HPLC)
    MDL NO:
    MFCD00191833
    Molecular Formula:
    C7H3ClF6N2O4S2
    Molecular Weight:
    392.68
    SDS

  • 4-trans-[(Boc)2-guanidino]cyclohexane carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (Boc)2-4-trans-GCHC-OH
    Catalog Number:
    31644
    CAS Number:
    1263046-44-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18426559
    Molecular Formula:
    C18H31N3O6
    Molecular Weight:
    385.46
    Specification Sheet SDS

  • Nα-N3-Nε-Boc-D-lysine

    Purity:
    ≥99%
    Synonym:
    N3-D-Lys(Boc)-OH
    Catalog Number:
    31636
    CAS Number:
    1178899-92-7
    Purity Limit:
    ≥99%
    MDL NO:
    MFCD22989455
    Molecular Formula:
    C11H20N4O4
    Molecular Weight:
    272.3
    Specification Sheet SDS

  • N-Phenyl-bis(trifluoromethanesulfonimide)

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1,1,1-Trifluoro-N-phenyl-N-[(trifluoromethyl)sulfonyl]methanesulfonamide
    Catalog Number:
    31457
    CAS Number:
    37595-74-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00000404
    Molecular Formula:
    C8H5F6NO4S2
    Molecular Weight:
    357.25
    Specification Sheet SDS

  • Pentafluorophenyl 4-nitrobenzenesulfonate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    4-Nitrobenzenesulfonic acid pentafluorophenyl ester
    Catalog Number:
    31391
    CAS Number:
    244633-31-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD05975120
    Molecular Formula:
    C12H4F5NO5S
    Molecular Weight:
    369.22
    Specification Sheet SDS

  • N,N-Dibenzylglycine ethyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ethyl 2-(dibenzylamino)acetate
    Catalog Number:
    31339
    CAS Number:
    77385-90-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00796343
    Molecular Formula:
    C18H21NO2
    Molecular Weight:
    283.36
    Specification Sheet SDS

  • N-(Benzyloxycarbonyl)hydroxylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    N-Carbobenzoxyhydroxylamine
    Catalog Number:
    31324
    CAS Number:
    3426-71-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00010642
    Molecular Formula:
    C8H9NO3
    Molecular Weight:
    167.16
    Specification Sheet SDS

  • 9-Fluorenylmethyl 1-benzotriazolyl carbonate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    1-[(9H-Fluoren-9-ylmethoxy)carbonyloxy]benzotriazole
    Catalog Number:
    31385
    CAS Number:
    82911-71-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00074939
    Molecular Formula:
    C21H15N3O3
    Molecular Weight:
    357.37
    Specification Sheet SDS

  • 4-Nitrophenyl 2-(trimethylsilyl)ethyl carbonate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-(Trimethylsilyl)ethyl 4-nitrophenyl carbonate
    Catalog Number:
    31394
    CAS Number:
    80149-80-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00042930
    Molecular Formula:
    C12H17NO5Si
    Molecular Weight:
    283.35
    Specification Sheet SDS

  • N-Boc-N'-methylethylenediamine

    Hazmat
    Purity:
    ≥ 97% (GC)
    Synonym:
    N-(tert-Butoxycarbonyl)-N'-methylethylenediamine
    Hazmat
    Catalog Number:
    31387
    CAS Number:
    122734-32-1
    Purity Limit:
    ≥ 97% (GC)
    MDL NO:
    MFCD06808585
    Molecular Formula:
    C8H18N2O2
    Molecular Weight:
    174.24
    Specification Sheet SDS

  • N-Fmoc-hydroxylamine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    9-Fluorenylmethyl N-hydroxycarbamate
    Catalog Number:
    31312
    CAS Number:
    190656-01-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01862911
    Molecular Formula:
    C15H13NO3
    Molecular Weight:
    255.27
    Specification Sheet SDS

  • O-tert-Butylhydroxylamine hydrochloride

    Hazmat
    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    2-Aminooxy-2-methylpropane hydrochloride
    Hazmat
    Catalog Number:
    31330
    CAS Number:
    39684-28-1
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00043272
    Molecular Formula:
    C4H11NO·HCl
    Molecular Weight:
    125.6
    Specification Sheet SDS

  • Pentafluorophenyl diphenylphosphinate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Diphenylphosphinic acid pentafluorophenyl ester
    Catalog Number:
    31228
    CAS Number:
    138687-69-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00192380
    Molecular Formula:
    C18H10F5O2P
    Molecular Weight:
    384.24
    Specification Sheet SDS

  • N-Benzylhydroxylamine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    31261
    CAS Number:
    29601-98-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00043377
    Molecular Formula:
    C7H9NO·HCl
    Molecular Weight:
    159.61
    Specification Sheet SDS

  • Di-2-pyridyl carbonate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Carbonic acid di-2-pyridyl ester
    Catalog Number:
    31230
    CAS Number:
    1659-31-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191407
    Molecular Formula:
    C11H8N2O3
    Molecular Weight:
    216.19
    Specification Sheet SDS

  • 2-Chloro-1-methylpyridinium p-toluenesulfonate

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    31288
    CAS Number:
    7403-46-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00011985
    Molecular Formula:
    C7H7O3S·C6H7ClN
    Molecular Weight:
    299.77
    Specification Sheet SDS

  • 2-Chloro-1,3-dimethylimidazolinium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Chloro-4,5-dihydro-1,3-dimethyl-1H-imidazolium hexafluorophosphate
    Catalog Number:
    31201
    CAS Number:
    101385-69-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191914
    Molecular Formula:
    C5H10ClN2·PF6
    Molecular Weight:
    278.56
    Specification Sheet SDS

  • Di-tert-butyl iminodiacetate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Iminodiacetic acid di-tert-butyl ester
    Catalog Number:
    31306
    CAS Number:
    85916-13-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD01863672
    Molecular Formula:
    C12H23NO4
    Molecular Weight:
    245.32
    Specification Sheet SDS

  • 2-Chloro-1,3-dimethylimidazolinium chloride

    Purity:
    ≥ 97% (Assay by titration)
    Synonym:
    2-Chloro-4,5-dihydro-1,3-dimethyl-1H-imidazolium chloride
    Catalog Number:
    31222
    CAS Number:
    37091-73-9
    Purity Limit:
    ≥ 97% (Assay by titration)
    MDL NO:
    MFCD09039290
    Molecular Formula:
    C5H10Cl2N2
    Molecular Weight:
    169.05
    Specification Sheet SDS

  • N,N,N',N'-Tetramethyl-S-(1-oxido-2-pyridyl)thiouronium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    S-(1-Oxido-2-pyridyl)-N,N,N',N'-tetramethylthiuronium hexafluorophosphate
    Catalog Number:
    31213
    CAS Number:
    212333-72-7
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD05865266
    Molecular Formula:
    C10H16N3OS·PF6
    Molecular Weight:
    371.28
    Specification Sheet SDS

  • N-Isopropylhydroxylamine hydrochloride

    Purity:
    ≥ 98% (Assay)
    Catalog Number:
    31263
    CAS Number:
    50632-53-6
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00012599
    Molecular Formula:
    C3H9NO·HCl
    Molecular Weight:
    111.57
    Specification Sheet SDS

  • Bromotris(dimethylamino)phosphonium hexafluorophosphate

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Bromotris(N-methylmethanaminato)phosphorus hexafluorophosphate
    Hazmat
    Catalog Number:
    31198
    CAS Number:
    50296-37-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191864
    Molecular Formula:
    C6H18BrF6N3P2
    Molecular Weight:
    388.07
    Specification Sheet SDS

  • O-(Benzotriazol-1-yl)- N,N,N',N'-bis(tetramethylene)uronium hexafluorophosphate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (Benzotriazol-1-yloxy)dipyrrolidinocarbenium hexafluorophosphate
    Catalog Number:
    31206
    CAS Number:
    105379-24-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191770
    Molecular Formula:
    C15H20N5O·PF6
    Molecular Weight:
    431.32
    Specification Sheet SDS

  • 2-Chloro-1,3-dimethylimidazolium tetrafluoroborate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    CIB
    Catalog Number:
    31200
    CAS Number:
    153433-26-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD17976893
    Molecular Formula:
    C5H10ClN2·BF4
    Molecular Weight:
    220.4
    Specification Sheet SDS

  • N-tert-Butylhydroxylamine hydrochloride

    Purity:
    ≥ 99% (Assay by titration)
    Catalog Number:
    31262
    CAS Number:
    57497-39-9
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00012598
    Molecular Formula:
    C4H11NO·HCl
    Molecular Weight:
    125.6
    Specification Sheet SDS
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