💛 99% Happy customers

📦 Same-day shipping on in-stock items

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.

  • Fmoc-O-tert-butyl-D-threonine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Thr(tBu)-OH
    Catalog Number:
    02483
    CAS Number:
    138797-71-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00080292
    Molecular Formula:
    C23H27NO5
    Molecular Weight:
    397.5
  • Nα-Fmoc-Nδ-Boc-L-ornithine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Orn(Boc)-OH
    Catalog Number:
    02442
    CAS Number:
    109425-55-0
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00065668
    Molecular Formula:
    C25H30N2O6
    Molecular Weight:
    454.5
  • Fmoc-D-leucine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Leu-OH
    Catalog Number:
    02427
    CAS Number:
    114360-54-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00062957
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.4
  • Fmoc-S-acetamidomethyl-L-cysteine

    Purity:
    ≥ 99.5% (Chiral purity)
    Synonym:
    Fmoc-L-Cys(Acm)-OH
    Catalog Number:
    02396
    CAS Number:
    86060-81-3
    Purity Limit:
    ≥ 99.5% (Chiral purity)
    MDL NO:
    MFCD00038769
    Molecular Formula:
    C21H22N2O5S
    Molecular Weight:
    414.5
  • L-Asparagine anhydrous

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Asn-OH
    Catalog Number:
    00464
    CAS Number:
    70-47-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00064401
    Molecular Formula:
    C4H8N2O3
    Molecular Weight:
    132.12
  • L-Threonine

    Grade:
    Meets USP Specification
    Purity:
    98.5 - 101.5% (Assay on dried basis)
    Synonym:
    L-Thr-OH
    Catalog Number:
    00282
    Grade:
    Meets USP Specification
    CAS Number:
    72-19-5
    Purity Limit:
    98.5 - 101.5% (Assay on dried basis)
    MDL NO:
    MFCD00064270
    Molecular Formula:
    C4H9NO3
    Molecular Weight:
    119.1
  • Fmoc-Chloride

    Hazmat
    Purity:
    ≥ 99% (HPLC)
    Synonym:
    9-Fluorenylmethyl chloroformate
    Hazmat
    Catalog Number:
    00144
    CAS Number:
    28920-43-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00001138
    Molecular Formula:
    C15H11ClO2
    Molecular Weight:
    258.7
  • Fmoc-L-aspartic acid β-methylpentyl ester

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Fmoc-L-Asp(OMpe)-OH
    Catalog Number:
    14832
    CAS Number:
    180675-08-5
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD10001333
    Molecular Formula:
    C25H29NO6
    Molecular Weight:
    439.51
  • Fmoc-p-trifluoromethyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-CF3)-OH
    Catalog Number:
    07392
    CAS Number:
    247113-86-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00797581
    Molecular Formula:
    C25H20F3NO4
    Molecular Weight:
    455.43
  • Tranexamic acid

    Grade:
    USP
    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    trans-4-(Aminomethyl)cyclohexanecarboxylic acid
    Catalog Number:
    06911
    Grade:
    USP
    CAS Number:
    1197-18-8
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00001466
    Molecular Formula:
    C8H15NO2
    Molecular Weight:
    157.21
  • 4-Benzoyl-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Bpa-OH
    Catalog Number:
    05110
    CAS Number:
    104504-45-2
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00238102
    Molecular Formula:
    C16H15NO3
    Molecular Weight:
    269.3
  • Fmoc-N-methyl-D-alanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-N-Me-D-Ala-OH
    Catalog Number:
    02651
    CAS Number:
    138774-92-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00153385
    Molecular Formula:
    C19H19NO4
    Molecular Weight:
    325.3
  • Fmoc-4-fluoro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-F)-OH
    Catalog Number:
    02575
    CAS Number:
    169243-86-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191197
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.4
  • Nα-Fmoc-Nγ-trityl-D-asparagine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Asn(Trt)-OH
    Catalog Number:
    02477
    CAS Number:
    180570-71-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00151919
    Molecular Formula:
    C38H32N2O5
    Molecular Weight:
    596.7
  • Fmoc-L-threonine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Thr-OH
    Catalog Number:
    02458
    CAS Number:
    73731-37-0
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00077072
    Molecular Formula:
    C19H19NO5
    Molecular Weight:
    341.4
  • Fmoc-L-glutamic acid α-tert-butyl ester

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Glu-OtBu
    Catalog Number:
    02415
    CAS Number:
    84793-07-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00065648
    Molecular Formula:
    C24H27NO6
    Molecular Weight:
    425.5
  • Fmoc-β-cyclohexyl-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Cha-OH
    Catalog Number:
    02375
    CAS Number:
    135673-97-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065614
    Molecular Formula:
    C24H27NO4
    Molecular Weight:
    393.5
  • Fmoc-D-proline

    Purity:
    ≥ 99.9% (Chiral HPLC)
    Synonym:
    Fmoc-D-Pro-OH
    Catalog Number:
    02064
    CAS Number:
    101555-62-8
    Purity Limit:
    ≥ 99.9% (Chiral HPLC)
    MDL NO:
    MFCD00077067
    Molecular Formula:
    C20H19NO4
    Molecular Weight:
    337.4
  • Boc-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Ala-OH
    Catalog Number:
    01322
    CAS Number:
    15761-38-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00037225
    Molecular Formula:
    C8H15NO4
    Molecular Weight:
    189.2
  • D-Serine

    Purity:
    ≥ 99% (Titration: anhydrous basis)
    Synonym:
    D-Ser-OH
    Catalog Number:
    00262
    CAS Number:
    312-84-5
    Purity Limit:
    ≥ 99% (Titration: anhydrous basis)
    MDL NO:
    MFCD00004269
    Molecular Formula:
    C3H7NO3
    Molecular Weight:
    105.1
  • L-Cysteine hydrochloride monohydrate

    Grade:
    Meets USP specification
    Purity:
    98.5 - 101.5% (Assay on dried basis)
    Synonym:
    L-Cys-OH·HCl·H2O
    Catalog Number:
    00085
    Grade:
    Meets USP specification
    CAS Number:
    7048-04-6
    Purity Limit:
    98.5 - 101.5% (Assay on dried basis)
    MDL NO:
    MFCD00065606
    Molecular Formula:
    C3H7NO2S·HCl·H2O
    Molecular Weight:
    175.63
  • Catalog Number:
    33297
    CAS Number:
    431041-83-7
    MDL NO:
    MFCD00165781
    Molecular Weight:
    0.0
  • Trityl chloride resin (1 - 2 mmol/g, 200 - 400 mesh)

    Synonym:
    Chlorotriphenylmethane resin
    Catalog Number:
    29791
    MDL NO:
    MFCD00284810
    Molecular Weight:
    0.0
  • Rink amide resin

    Synonym:
    4-(2',4'-Dimethoxyphenyl-Fmoc-aminomethyl)phenoxy resin
    Catalog Number:
    10619
    MDL NO:
    MFCD00801462
    Molecular Weight:
    0.0
  • Phosphoenolpyruvate potassium salt

    Synonym:
    Phospho(enol)pyruvic acid potassium salt
    Catalog Number:
    09711
    CAS Number:
    4265-07-0
    MDL NO:
    MFCD00044476
    Molecular Formula:
    C3H4O6PK
    Molecular Weight:
    206.13
  • Fmoc-8-amino-3,6-dioxaoctanoic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    {2-[2-(Fmoc-amino)ethoxy]ethoxy}acetic acid
    Catalog Number:
    07310
    CAS Number:
    166108-71-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01321015
    Molecular Formula:
    C21H23NO6
    Molecular Weight:
    385.42
  • Fmoc-L-azetidine-2-carboxylic acid

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-(S-azetidine-2-carboxylic acid
    Catalog Number:
    07329
    CAS Number:
    136552-06-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD01320843
    Molecular Formula:
    C19H17NO4
    Molecular Weight:
    323.36
  • Catalog Number:
    06768
    MDL NO:
    MFCD00801224
    Molecular Weight:
    0.0
  • Fmoc-L-homoproline

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-HomoPro-OH
    Catalog Number:
    05136
    CAS Number:
    86069-86-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00235898
    Molecular Formula:
    C21H21NO4
    Molecular Weight:
    351.4
  • 2-Chlorotrityl chloride resin (0.3-0.8 meq/g, 200-400 mesh)

    Synonym:
    2-Chlorotriphenylmethyl chloride resin
    Catalog Number:
    04251
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Molecular Weight:
    0.0
  • Diethanolamine

    Hazmat
    Purity:
    ≥ 99%
    Synonym:
    Bis(2-hydroxyethyl)amine
    Hazmat
    Catalog Number:
    03999
    CAS Number:
    111-42-2
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00002843
    Molecular Formula:
    C4H11NO2
    Molecular Weight:
    105.1
  • Fmoc-N-methyl-L-norleucine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-N-Me-L-Nle-OH
    Catalog Number:
    02665
    CAS Number:
    112883-42-8
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00235878
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.4
  • Fmoc-N-methyl-L-leucine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-N-Me-L-Leu-OH
    Catalog Number:
    02662
    CAS Number:
    103478-62-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151933
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.4
  • Pyridine

    Hazmat
    Grade:
    ACS reagent
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    00762
    Grade:
    ACS reagent
    CAS Number:
    110-86-1
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00011732
    Molecular Formula:
    C5H5N
    Molecular Weight:
    79.1
  • 2-Nitrophenyl-β-D-galactopyranoside

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    2-Nitrophenyl-β-D-galactoside
    Catalog Number:
    00238
    CAS Number:
    369-07-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063255
    Molecular Formula:
    C12H15NO8
    Molecular Weight:
    301.3
  • N-(9-Fluorenylmethoxycarbonyloxy)succinimide

    Hazmat
    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-OSu
    Hazmat
    Catalog Number:
    00147
    CAS Number:
    82911-69-1
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00010733
    Molecular Formula:
    C19H15NO5
    Molecular Weight:
    337.3
  • trans-L-4-Hydroxyproline

    Purity:
    ≥ 99% (Titration)
    Synonym:
    L-Hyp-OH
    Catalog Number:
    00185
    CAS Number:
    51-35-4
    Purity Limit:
    ≥ 99% (Titration)
    MDL NO:
    MFCD00064320
    Molecular Formula:
    C5H9NO3
    Molecular Weight:
    131.1
  • Nα-Boc-Nε-Fmoc-L-Lysine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-L-Lys(Fmoc)-OH
    Catalog Number:
    00037
    CAS Number:
    84624-27-1
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00062032
    Molecular Formula:
    C26H32N2O6
    Molecular Weight:
    468.6
  • Catalog Number:
    48137
    Molecular Weight:
    0.0
  • Acrylic acid N-hydroxysuccinimide ester

    Purity:
    ≥ 99% (GC)
    Synonym:
    N-Acryloxysuccinimide
    Catalog Number:
    36226
    CAS Number:
    38862-24-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00078261
    Molecular Formula:
    C7H7No4
    Molecular Weight:
    169.13
  • Fmoc-D-azetidine-2-carboxylic acid

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-(R)-azetidine-2-carboxylic acid
    Catalog Number:
    35203
    CAS Number:
    374791-02-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD01320875
    Molecular Formula:
    C19H17NO4
    Molecular Weight:
    323.34
  • Fmoc-N-methyl-O-methyl-L-tyrosine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-N-Me-L-Tyr(Me)-OH
    Catalog Number:
    35201
    CAS Number:
    1260595-45-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD04974263
    Molecular Formula:
    C26H25NO5
    Molecular Weight:
    431.49
  • Fmoc-O-methyl-L-serine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Ser(Me)-OH
    Catalog Number:
    35188
    CAS Number:
    159610-93-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD02682604
    Molecular Formula:
    C19H19NO5
    Molecular Weight:
    341.36
  • 3-Fluoro-L-tyrosine

    Purity:
    ≥ 97.5% (HPLC)
    Synonym:
    H-Tyr(3-F)-OH
    Catalog Number:
    31891
    CAS Number:
    7423-96-3
    Purity Limit:
    ≥ 97.5% (HPLC)
    MDL NO:
    MFCD00002607
    Molecular Formula:
    C9H10FNO3
    Molecular Weight:
    199.18
  • Nε-Azido-L-Lysine hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    (S)-6-Azido-2-amino-hexanoic hydrochloride
    Catalog Number:
    30456
    CAS Number:
    1454334-76-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD18382040
    Molecular Formula:
    C6H13ClN4O2
    Molecular Weight:
    208.6
  • Fmoc-Leu-Ser[Psi(Me,Me)Pro]-OH

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-Leu-Ser[Ψ(Me,Me)Pro]-OH
    Catalog Number:
    30312
    CAS Number:
    339531-50-9
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD03490501
    Molecular Formula:
    C27H32N2O6
    Molecular Weight:
    480.56
  • Acetic acid, glacial

    Hazmat
    Grade:
    FCC
    Purity:
    ≥ 99% (GC)
    Hazmat
    Catalog Number:
    30173
    Grade:
    FCC
    CAS Number:
    64-19-7
    Purity Limit:
    ≥ 99% (GC)
    MDL NO:
    MFCD00036152
    Molecular Formula:
    C2H4O2
    Molecular Weight:
    60.05
  • Catalog Number:
    16941
    CAS Number:
    1185841-84-2
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD08064313
    Molecular Formula:
    C36H44N4O7S
    Molecular Weight:
    676.8
  • Fmoc-2-methyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(2-Me)-OH
    Catalog Number:
    12843
    CAS Number:
    211637-75-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00671391
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
  • Catalog Number:
    12488
    MDL NO:
    MFCD00801253
    Molecular Weight:
    0.0