💛 99% Happy customers

📦 Same-day shipping on in-stock items

🌟 Join our Rewards Program
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

  • Boc-3-(2'-quinolyl)-L-alanine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Boc-L-Ala(2'-quinolyl)-OH
    Catalog Number:
    04933
    CAS Number:
    161453-37-8
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00671380
    Molecular Formula:
    C17H20N2O4
    Molecular Weight:
    316.3
    Specification Sheet SDS

  • 3-Nitro-L-tyrosine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    m-Nitro-L-Tyr-OH
    Catalog Number:
    04920
    CAS Number:
    621-44-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00007123
    Molecular Formula:
    C9H10N2O5
    Molecular Weight:
    226.3
    Specification Sheet SDS

  • O-[(Ethoxycarbonyl)cyanomethyleneamino]-N,N,N',N'-tetramethyluronium tetrafluoro-borate

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    TOTU
    Catalog Number:
    04884
    CAS Number:
    136849-72-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00192127
    Molecular Formula:
    C10H17BF4N4O3
    Molecular Weight:
    328.08
    Specification Sheet SDS

  • Z-D-serine methyl ester

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Z-D-Ser-OMe
    Catalog Number:
    04918
    CAS Number:
    93204-36-5
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00799501
    Molecular Formula:
    C12H15NO5
    Molecular Weight:
    253.2
    Specification Sheet SDS

  • Chlorotripyrrolidinophosphonium hexafluorophosphate

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    PyCloP
    Catalog Number:
    04880
    CAS Number:
    133894-48-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00210035
    Molecular Formula:
    C12H24F6N3P2Cl
    Molecular Weight:
    421.74
    Specification Sheet SDS

  • Fmoc-L-histidine(2-chlorotrityl resin)amide

    Synonym:
    Fmoc-L-His(trityl resin)-NH2
    Catalog Number:
    04817
    CAS Number:
    109425-51-6
    MDL NO:
    MFCD00043332
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • N-(2-Chlorotrityl resin)-L-isoleucine benzotriazolyl ester

    Synonym:
    2-Chlorotrityl resin-L-Ile-OBt
    Catalog Number:
    04825
    MDL NO:
    MFCD01091425
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Trityl-L-serine triethyl ammonium salt

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Trt-L-Ser-OH·TEA
    Catalog Number:
    04829
    CAS Number:
    111061-44-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD01075008
    Molecular Formula:
    C22H21NO3·C6H15N
    Molecular Weight:
    448.6
    Specification Sheet SDS

  • Trityl threonine triethyl ammonium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Trityl threonine triethyl ammonium salt
    Catalog Number:
    04830
    CAS Number:
    80514-76-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD01075009
    Molecular Formula:
    C23H23NO3·C6H15N
    Molecular Weight:
    462.6
    Specification Sheet SDS

  • N-(2-Chlorotrityl resin)-O-tert-butyl-L-tyrosine benzotriazolyl ester

    Synonym:
    2-Chlorotrityl resin-L-Tyr(tBu)-OBt
    Catalog Number:
    04827
    MDL NO:
    MFCD00801420
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-L-Glutamic(2-chlorotrityl resin)-NH2

    Catalog Number:
    04822
    MDL NO:
    MFCD00801252
    Molecular Weight:
    0
    Specification Sheet SDS

  • Triphenylphosphine resin (0.9 - 1.6 meq/g, 200 - 400 mesh)

    Synonym:
    Diphenylphosphinopolystyrene
    Catalog Number:
    04814
    CAS Number:
    39319-11-4
    MDL NO:
    MFCD20489348
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-L-Aspartic(2-chlorotrityl resin)-NH2

    Catalog Number:
    04821
    MDL NO:
    MFCD01094693
    Molecular Weight:
    0
    Specification Sheet SDS

  • N-(2-Chlorotrityl resin)-L-methionine benzotriazolyl ester

    Synonym:
    2-Chlorotrityl resin-L-Met-OBt
    Catalog Number:
    04826
    MDL NO:
    MFCD01091426
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-L-Lysine(2-chlorotrityl resin)-NH2

    Catalog Number:
    04820
    MDL NO:
    MFCD01094696
    Molecular Weight:
    0
    Specification Sheet SDS

  • TentaGel S PHB (0.2 - 0.3 meq/g, 90 µm)

    Synonym:
    O-[4-(Hydroxymethyl)phenyl]polyethylene glycol resin
    Catalog Number:
    04778
    MDL NO:
    MFCD00217894
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Tentagel S SH (0.2 - 0.3 meq/g, 130 µm)

    Synonym:
    Tentagel thiol resin
    Catalog Number:
    04784
    MDL NO:
    MFCD00283983
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Tentagel S-CH(OEt)2 (0.2 - 0.5 meq/g, 100 - 200 mesh)

    Synonym:
    O-[2-(6,6-Diethoxyhexanoylamino)ethyl]polyethylene glycol resin
    Catalog Number:
    04783
    MDL NO:
    MFCD01095284
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • TentaGel S-Br (0.1 - 0.3 meq/g, 130 µm beads)

    Synonym:
    O-(2-Bromoethyl)polyethylene glycol resin
    Catalog Number:
    04769
    MDL NO:
    MFCD00217898
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • TentaGel S-OH (≥ 0.25 meq/g, 130 µm beads)

    Synonym:
    O-(2-Hydroxyethyl)polyethylene glycol resin
    Catalog Number:
    04777
    MDL NO:
    MFCD00217900
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Chloromethylated polystyrene (1.0-1.5 meq/g, 100-200 mesh)

    Synonym:
    Merrifield resin
    Catalog Number:
    04761
    CAS Number:
    55844-94-5
    MDL NO:
    MFCD00146406
    Molecular Weight:
    0.0
    Specification Sheet SDS

  • Fmoc-3-(2'-pyridyl)-D-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Ala(2'-pyridyl)-OH
    Catalog Number:
    04716
    CAS Number:
    185379-39-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00672565
    Molecular Formula:
    C23H20N2O4
    Molecular Weight:
    388.4
    Specification Sheet SDS

  • O-2,6-Dichlorobenzyl-L-tyrosine

    Purity:
    ≥ 99%
    Synonym:
    L-Tyr(2,6-diClBzl)-OH
    Catalog Number:
    04721
    CAS Number:
    40298-69-9
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD01075102
    Molecular Formula:
    C16H15Cl2NO3
    Molecular Weight:
    340.3
    Specification Sheet SDS

  • Z-Gly-Pro-βNA

    Purity:
    99%
    Catalog Number:
    04691
    CAS Number:
    67336-99-6
    Purity Limit:
    99%
    MDL NO:
    MFCD00038774
    Molecular Formula:
    C25H25N3O4
    Molecular Weight:
    431.49
    SDS

  • Boc-3-(2'-pyridyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Ala(2'-pyridyl)-OH
    Catalog Number:
    04713
    CAS Number:
    71239-85-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191190
    Molecular Formula:
    C13H18N2O4
    Molecular Weight:
    266.3
    Specification Sheet SDS

  • Boc-3-(2'-pyridyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Ala(2'-pyridyl)-OH
    Catalog Number:
    04714
    CAS Number:
    98266-32-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00191191
    Molecular Formula:
    C13H18N2O4
    Molecular Weight:
    266.3
    Specification Sheet SDS

  • Z-L-phenylalanine 4-nitroanilide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-L-Phe-pNA
    Catalog Number:
    04706
    CAS Number:
    19647-71-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038114
    Molecular Formula:
    C23H21N3O5
    Molecular Weight:
    419.4
    Specification Sheet SDS

  • Z-Gly-Phe-NH2

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Benzyloxycarbonylglycyl-L-phenylalanine amide
    Catalog Number:
    04690
    CAS Number:
    5513-69-9
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00056119
    Molecular Formula:
    C19H21N3O4
    Molecular Weight:
    355.39
    Specification Sheet SDS

  • Z-Gly-Gly-Leu-AMC

    Purity:
    99%
    Catalog Number:
    04687
    CAS Number:
    97792-39-7
    Purity Limit:
    99%
    MDL NO:
    MFCD00152029
    Molecular Formula:
    C28H32N4O7
    Molecular Weight:
    536.58
    SDS

  • L-Tryptophan β-naphthylamide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Trp-βNA
    Catalog Number:
    04656
    CAS Number:
    3326-63-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00051194
    Molecular Formula:
    C21H19N3O
    Molecular Weight:
    329.38
    Specification Sheet SDS

  • Suc-Val-Pro-Phe-pNA

    Catalog Number:
    04653
    CAS Number:
    95192-11-3
    MDL NO:
    MFCD00155549
    Molecular Formula:
    C29H35N5O8
    Molecular Weight:
    581.63
    SDS

  • Succinyl-L-phenylalanine 4-nitroanilide

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Suc-L-Phe-pNA
    Catalog Number:
    04650
    CAS Number:
    2440-62-2
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00047721
    Molecular Formula:
    C19H19N3O6
    Molecular Weight:
    385.4
    Specification Sheet SDS

  • L-Prolyl-L-alanine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Pro-Ala-OH
    Catalog Number:
    04621
    CAS Number:
    6422-36-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037875
    Molecular Formula:
    C8H14N2O3
    Molecular Weight:
    186.21
    Specification Sheet SDS

  • L-Tyrosine 4-nitroanilide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Tyr-pNA
    Catalog Number:
    04660
    CAS Number:
    52551-07-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00155550
    Molecular Formula:
    C15H15N3O4
    Molecular Weight:
    301.3
    Specification Sheet SDS

  • Suc-Ala-Ala-Pro-Phe-AMC

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    04643
    CAS Number:
    88467-45-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00080246
    Molecular Formula:
    C34H39N5O9
    Molecular Weight:
    661.71
    Specification Sheet SDS

  • Suc-Ala-Ala-Val-pNA

    Catalog Number:
    04645
    CAS Number:
    61043-47-8
    MDL NO:
    MFCD00038473
    Molecular Formula:
    C21H29N5O8
    Molecular Weight:
    479.49
    SDS

  • L-Pyroglutamic acid 4-nitroanilide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Pyr-pNA
    Catalog Number:
    04632
    CAS Number:
    66642-35-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00037884
    Molecular Formula:
    C11H11N3O4
    Molecular Weight:
    249.2
    Specification Sheet SDS

  • H-Phe-Gly-Gly-OH

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    04610
    CAS Number:
    23576-42-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037785
    Molecular Formula:
    C13H17N3O4
    Molecular Weight:
    279.3
    Specification Sheet SDS

  • H-Pro-Thr-Glu-Phe-Phe(4-NO2)-Arg-Leu-OH

    Catalog Number:
    04627
    CAS Number:
    90331-82-1
    MDL NO:
    MFCD00155498
    Molecular Formula:
    C44H63N11O13
    Molecular Weight:
    953.99
    SDS

  • Suc-Ala-Ala-Phe-AMC

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    04639
    CAS Number:
    71973-79-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038448
    Molecular Formula:
    C29H32N4O8
    Molecular Weight:
    564.6
    Specification Sheet SDS

  • Phe-Gly-His-Phe(NO2)-Phe-Ala-Phe-OMe

    Catalog Number:
    04611
    CAS Number:
    50572-79-7
    MDL NO:
    MFCD00155494
    Molecular Formula:
    C48H54N10O10
    Molecular Weight:
    930.89
    SDS

  • L-Methionine β-naphthylamide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Met-βNA
    Catalog Number:
    04603
    CAS Number:
    7424-16-0
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00190955
    Molecular Formula:
    C15H18N2OS
    Molecular Weight:
    274.39
    Specification Sheet SDS

  • H-Lys-Ala-4MβNA·2HCl

    Catalog Number:
    04588
    CAS Number:
    118357-26-9
    MDL NO:
    MFCD00155571
    Molecular Formula:
    C20H28N4O3·2HCl
    Molecular Weight:
    445.39
    SDS

  • H-Leu-Gly-Gly-OH

    Catalog Number:
    04576
    CAS Number:
    1187-50-4
    MDL NO:
    MFCD00065942
    Molecular Formula:
    C10H19N3O4
    Molecular Weight:
    245.28
    SDS

  • L-Leucine β-naphthylamide hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Leu-βNA·HCl
    Catalog Number:
    04574
    CAS Number:
    893-36-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00034972
    Molecular Formula:
    C16H20N2O·HCl
    Molecular Weight:
    292.9
    Specification Sheet SDS

  • Gly-Gly-Gly-OH

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Diglycylglycine
    Catalog Number:
    04555
    CAS Number:
    556-33-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00036223
    Molecular Formula:
    C6H11N3O4
    Molecular Weight:
    189.17
    Specification Sheet SDS

  • Fmoc-L-thiaproline

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Thz-OH
    Catalog Number:
    04160
    CAS Number:
    133054-21-4
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00235910
    Molecular Formula:
    C19H17NO4S
    Molecular Weight:
    355.2
    Specification Sheet SDS

  • Gly-Phe-pNA·HCl

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Cathepsin C substrate, hydrochloride
    Catalog Number:
    04565
    CAS Number:
    21027-72-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00151682
    Molecular Formula:
    C17H18N4O4·HCl
    Molecular Weight:
    378.82
    Specification Sheet SDS

  • H-Gly-Phe-βNA

    Catalog Number:
    04564
    CAS Number:
    21438-66-4
    MDL NO:
    MFCD00021597
    Molecular Formula:
    C21H21N3O2
    Molecular Weight:
    347.42
    SDS

  • H-Gly-Pro-Leu-βNA·HCl

    Catalog Number:
    04567
    CAS Number:
    100929-83-7
    MDL NO:
    MFCD00038938
    Molecular Formula:
    C23H30N4O3·HCl
    Molecular Weight:
    446.98
    SDS
Back to top