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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

  • Glycine β-naphthylamide hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Gly-βNA·HCl
    Catalog Number:
    04550
    CAS Number:
    1208-12-4
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00051282
    Molecular Formula:
    C12H12N2O·HCl
    Molecular Weight:
    236.7
    Specification Sheet SDS

  • FA-Leu-Gly-Pro-Ala-OH

    Purity:
    ≥ 99% (HPLC)
    Catalog Number:
    04539
    CAS Number:
    78832-65-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00133552
    Molecular Formula:
    C23H32N4O7
    Molecular Weight:
    476.53
    Specification Sheet SDS

  • H-Gly-Gly-Tyr-Arg-OH

    Catalog Number:
    04556
    CAS Number:
    70195-20-9
    MDL NO:
    MFCD00076760
    Molecular Formula:
    C19H29N7O6
    Molecular Weight:
    451.48
    SDS

  • Glutaryl-L-phenylalanine 4-nitroanilide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Glutaryl-L-Phe-pNA
    Catalog Number:
    04549
    CAS Number:
    5800-34-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038362
    Molecular Formula:
    C20H21N3O6
    Molecular Weight:
    399.4
    Specification Sheet SDS

  • FA-Ala-Lys-OH

    Catalog Number:
    04538
    CAS Number:
    76079-03-3
    MDL NO:
    MFCD00036815
    Molecular Formula:
    C16H23N3O5
    Molecular Weight:
    337.38
    SDS

  • H-Glu-Gly-Gly-Phe-Amc

    Synonym:
    Glutaryl-Gly-Gly-Phe-7-amido-4-methylcoumarin
    Catalog Number:
    04547
    CAS Number:
    70996-06-4
    MDL NO:
    MFCD00152085
    Molecular Formula:
    C28H30N4O8
    Molecular Weight:
    550.57
    SDS

  • N-Carboxymethyl-Phe-Leu-OH

    Catalog Number:
    04523
    CAS Number:
    81109-85-5
    MDL NO:
    MFCD00038704
    Molecular Formula:
    C17H24N2O5
    Molecular Weight:
    336.39
    SDS

  • H-Ile-Pro-Ile-OH

    Synonym:
    Diprotin A
    Catalog Number:
    04529
    CAS Number:
    90614-48-5
    MDL NO:
    MFCD00038707
    Molecular Formula:
    C17H31N3O4
    Molecular Weight:
    341.45
    SDS

  • L-Cystine bis-4-nitroanilide

    Synonym:
    (H-L-Cys-pNA)2
    Catalog Number:
    04528
    CAS Number:
    34199-07-0
    MDL NO:
    MFCD00038723
    Molecular Formula:
    C18H20N6O6S2
    Molecular Weight:
    480.5
    SDS

  • FA-Phe-Phe-OH

    Catalog Number:
    04540
    CAS Number:
    83661-95-4
    MDL NO:
    MFCD00057254
    Molecular Formula:
    C25H24N2O5
    Molecular Weight:
    432.48
    SDS

  • Antipain

    Synonym:
    [(S-1-Carboxy-2-phenethyl]-carbamoyl-Arg-Val-Arg-aldehyde
    Catalog Number:
    04481
    CAS Number:
    37691-11-5
    MDL NO:
    MFCD00135959
    Molecular Formula:
    C27H44N10O6
    Molecular Weight:
    604.71
    SDS

  • Benzoyl-L-tyrosine 4-nitroanilide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Bz-L-Tyr-pNA
    Catalog Number:
    04502
    CAS Number:
    6154-45-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038109
    Molecular Formula:
    C22H19N3O5
    Molecular Weight:
    405.4
    Specification Sheet SDS

  • Bz-Gly-Lys-OH

    Synonym:
    Hippuryl-lysine
    Catalog Number:
    04493
    CAS Number:
    740-63-6
    MDL NO:
    MFCD00038208
    Molecular Formula:
    C15H21N3O4
    Molecular Weight:
    307.35
    SDS

  • Bz-Gly-His-Leu-OH

    Synonym:
    Hippuryl-histidyl-leucine
    Catalog Number:
    04492
    CAS Number:
    31373-65-6
    MDL NO:
    MFCD00005205
    Molecular Formula:
    C21H27N5O5
    Molecular Weight:
    429.48
    SDS

  • D-Proline amide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Pro-NH2
    Catalog Number:
    04445
    CAS Number:
    62937-45-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153457
    Molecular Formula:
    C5H10N2O
    Molecular Weight:
    114.1
    Specification Sheet SDS

  • 2S-(-)-Propanolol hydrochloride

    Purity:
    ≥ 95% (NMR)
    Synonym:
    (S)-(+)-1-[(1-Methylethyl)amino]-3-(1-naphthalenyloxy)-2-propanol hydrochloride
    Catalog Number:
    04466
    CAS Number:
    4199-10-4
    Purity Limit:
    ≥ 95% (NMR)
    MDL NO:
    MFCD00064547
    Molecular Formula:
    C16H21NO2·HCl
    Molecular Weight:
    295.81
    Specification Sheet SDS

  • D-Valine amide hydrochloride

    Purity:
    ≥ 98% (assay)
    Synonym:
    D-Val-NH2·HCl
    Catalog Number:
    04459
    CAS Number:
    133170-58-8
    Purity Limit:
    ≥ 98% (assay)
    MDL NO:
    MFCD00270619
    Molecular Formula:
    C5H12N2O·HCl
    Molecular Weight:
    152.6
    Specification Sheet SDS

  • L-Homocitrulline

    Purity:
    ≥ 98% (TLC, One spot)
    Synonym:
    L-HomoCit-OH
    Catalog Number:
    04464
    CAS Number:
    1190-49-4
    Purity Limit:
    ≥ 98% (TLC, One spot)
    MDL NO:
    MFCD00038143
    Molecular Formula:
    C7H15N3O3
    Molecular Weight:
    189.22
    Specification Sheet SDS

  • 3,3',5,5'-Tetraiodo-L-thyronine sodium salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Thyroxine·Na
    Catalog Number:
    04467
    CAS Number:
    25416-65-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002596
    Molecular Formula:
    C15H10I4NO4Na
    Molecular Weight:
    798.85
    Specification Sheet SDS

  • Nα-Z-Nα-methyl-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Z-N-Me-L-Phe-OH
    Catalog Number:
    04444
    CAS Number:
    2899-07-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153393
    Molecular Formula:
    C18H19NO4
    Molecular Weight:
    313.3
    Specification Sheet SDS

  • L-Valine allyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Val-OAll·TosOH
    Catalog Number:
    04458
    CAS Number:
    88224-02-6
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077953
    Molecular Formula:
    C8H15NO2·C7H8O3S
    Molecular Weight:
    329.4
    Specification Sheet SDS

  • L-Tyrosine allyl ester 4-toluenesulfonate salt

    Purity:
    99 - 101% (Assay by titration)
    Synonym:
    L-Tyr-OAll·TosOH
    Catalog Number:
    04456
    CAS Number:
    125441-05-6
    Purity Limit:
    99 - 101% (Assay by titration)
    MDL NO:
    MFCD00043378
    Molecular Formula:
    C12H15NO3·C7H8O3S
    Molecular Weight:
    393.5
    Specification Sheet SDS

  • N-Methyl-D-valine hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    N-Me-D-Val-OH·HCl
    Catalog Number:
    04461
    CAS Number:
    210830-32-3
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00270621
    Molecular Formula:
    C6H13NO2·HCl
    Molecular Weight:
    167.7
    Specification Sheet SDS

  • (3S,4S)-4-Amino-3-hydroxy-5-phenylpentanoic acid

    Purity:
    ≥ 97%
    Synonym:
    AHPPA-OH
    Catalog Number:
    04451
    CAS Number:
    72155-50-1
    Purity Limit:
    ≥ 97%
    MDL NO:
    MFCD00153478
    Molecular Formula:
    C11H15NO3
    Molecular Weight:
    209.3
    Specification Sheet SDS

  • L-Lysine amide dihydrochloride

    Purity:
    ≥ 95%
    Synonym:
    L-Lys-NH2·2HCl
    Catalog Number:
    04439
    CAS Number:
    51127-08-3
    Purity Limit:
    ≥ 95%
    MDL NO:
    MFCD00058287
    Molecular Formula:
    C6H15N3O·2HCl
    Molecular Weight:
    218.2
    Specification Sheet SDS

  • Nin-Boc-D-tryptophan

    Purity:
    ≥ 98% (TLC)
    Synonym:
    D-Trp(Boc)-OH
    Catalog Number:
    04455
    CAS Number:
    201290-11-1
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00237295
    Molecular Formula:
    C16H20N2O4
    Molecular Weight:
    304.4
    Specification Sheet SDS

  • D-Proline tert-butyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    D-Pro-OtBu·HCl
    Catalog Number:
    04446
    CAS Number:
    184719-80-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153460
    Molecular Formula:
    C9H17NO2·HCl
    Molecular Weight:
    207.7
    Specification Sheet SDS

  • L-Phenylalanine allyl ester 4-toluenesulfonate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Phe-OAll·TosOH
    Catalog Number:
    04441
    CAS Number:
    88224-00-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00043306
    Molecular Formula:
    C12H15NO2·C7H8O3S
    Molecular Weight:
    377.5
    Specification Sheet SDS

  • D-Homoserine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    D-HomoSer-OH
    Catalog Number:
    04449
    CAS Number:
    6027-21-0
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00077786
    Molecular Formula:
    C4H9NO3
    Molecular Weight:
    119.12
    Specification Sheet SDS

  • L-Proline methyl amide hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Pro-NHMe·HCl
    Catalog Number:
    04442
    CAS Number:
    33208-98-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00153461
    Molecular Formula:
    C6H12N2O·HCl
    Molecular Weight:
    164.66
    Specification Sheet SDS

  • D-Pyroglutamic acid ethyl ester

    Purity:
    ≥ 98% (NMR)
    Synonym:
    D-Pyr-OEt
    Catalog Number:
    04448
    CAS Number:
    68766-96-1
    Purity Limit:
    ≥ 98% (NMR)
    MDL NO:
    MFCD00010848
    Molecular Formula:
    C7H11NO3
    Molecular Weight:
    157.2
    Specification Sheet SDS

  • Nα,Nim-Ditrityl-L-histidine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Trt-L-His(Trt)-OH
    Catalog Number:
    04434
    CAS Number:
    74853-62-6
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00153443
    Molecular Formula:
    C44H37N3O2
    Molecular Weight:
    639.8
    Specification Sheet SDS

  • L-Glutamic acid α-amide

    Purity:
    ≥ 98% (Assay by Titration)
    Synonym:
    L-Glu-NH2
    Catalog Number:
    04427
    CAS Number:
    636-65-7
    Purity Limit:
    ≥ 98% (Assay by Titration)
    MDL NO:
    MFCD00135661
    Molecular Formula:
    C5H10N2O3
    Molecular Weight:
    146.1
    Specification Sheet SDS

  • L-Isoleucine allyl ester 4-toluenesulfonate salt

    Synonym:
    L-Ile-OAll·TosOH
    Catalog Number:
    04436
    CAS Number:
    88224-05-9
    MDL NO:
    MFCD00043317
    Molecular Formula:
    C9H17NO2·C7H8O3S
    Molecular Weight:
    343.4
    Specification Sheet SDS

  • Nδ-Trityl-L-glutamine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Gln(Trt)-OH
    Catalog Number:
    04431
    CAS Number:
    102747-84-2
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237060
    Molecular Formula:
    C24H24N2O3
    Molecular Weight:
    388.5
    Specification Sheet SDS

  • Glycine tert-butyl ester acetate salt

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Gly-OtBu·AcOH
    Catalog Number:
    04433
    CAS Number:
    38024-18-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00153441
    Molecular Formula:
    C6H13NO2·C2H4O2
    Molecular Weight:
    191.3
    Specification Sheet SDS

  • L-Aspartic acid α-amide hydrochloride

    Purity:
    ≥ 98% (TLC)
    Synonym:
    L-Asp-NH2·HCl
    Catalog Number:
    04418
    CAS Number:
    200260-37-3
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD06795769
    Molecular Formula:
    C4H8N2O3·HCl
    Molecular Weight:
    168.6
    Specification Sheet SDS

  • S-Acetamidomethyl-D-cysteine hydrochloride

    Purity:
    ≥ 98%
    Synonym:
    S-Acetamidomethyl-D-cysteine hydrochloride
    Catalog Number:
    04425
    CAS Number:
    200352-41-6
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00043380
    Molecular Formula:
    C6H12N2O3S·HCl
    Molecular Weight:
    228.7
    Specification Sheet SDS

  • Palmitoyl-S-[2,3-bis(palmitoyloxy)-(2RS)-propyl]-L-cysteine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    Pam-L-Cys[(2,3-bis-PamO)Pr]-OH
    Catalog Number:
    04423
    CAS Number:
    70512-46-8
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00153468
    Molecular Formula:
    C54H103NO7S
    Molecular Weight:
    910.5
    Specification Sheet SDS

  • Nγ-Trityl-L-asparagine hydrate

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    L-Asn(Trt)-OH·H2O
    Catalog Number:
    04416
    CAS Number:
    132388-58-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00153422
    Molecular Formula:
    C23H22N2O3·H2O
    Molecular Weight:
    392.4
    Specification Sheet SDS

  • Acetyl-DL-proline

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    Ac-DL-Pro-OH
    Catalog Number:
    04391
    CAS Number:
    1074-79-9
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00063230
    Molecular Formula:
    C7H11NO3
    Molecular Weight:
    157.2
    Specification Sheet SDS

  • L-Glutamic acid γ-benzyl ester α-amide hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Glu(OBzl)-NH2·HCl
    Catalog Number:
    04429
    CAS Number:
    63091-89-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153434
    Molecular Formula:
    C12H16N2O3·HCl
    Molecular Weight:
    272.5
    Specification Sheet SDS

  • Nw-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-L-arginine

    Purity:
    ≥ 99% (TLC)
    Synonym:
    L-Arg(Pmc)-OH
    Catalog Number:
    04414
    CAS Number:
    112160-37-9
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00153419
    Molecular Formula:
    C20H32N4O5S
    Molecular Weight:
    440.56
    Specification Sheet SDS

  • Acetyl-L-tyrosine hydrazide

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Ac-L-Tyr-NHNH2
    Catalog Number:
    04401
    CAS Number:
    2381-07-9
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00025121
    Molecular Formula:
    C11H15N3O3
    Molecular Weight:
    237.26
    Specification Sheet SDS

  • L-Aspartic acid α-tert-butyl ester hydrochloride

    Purity:
    ≥ 99.5% (Chiral purity)
    Synonym:
    L-Asp-OtBu·HCl
    Catalog Number:
    04419
    CAS Number:
    176164-02-6
    Purity Limit:
    ≥ 99.5% (Chiral purity)
    MDL NO:
    MFCD00153424
    Molecular Formula:
    C8H15NO4·HCl
    Molecular Weight:
    225.67
    Specification Sheet SDS

  • Nω-(2,2,5,7,8-Pentamethylchroman-6-sulfonyl)-D-arginine

    Purity:
    ≥ 98% (TLC)
    Synonym:
    D-Arg(Pmc)-OH
    Catalog Number:
    04415
    CAS Number:
    191869-60-0
    Purity Limit:
    ≥ 98% (TLC)
    MDL NO:
    MFCD00153420
    Molecular Formula:
    C20H32N4O5S
    Molecular Weight:
    440.56
    Specification Sheet SDS

  • Acetyl-O-tert-butyl-L-threonine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Thr(tBu)-OH
    Catalog Number:
    04397
    CAS Number:
    163277-80-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00236771
    Molecular Formula:
    C10H19NO4
    Molecular Weight:
    217.27
    Specification Sheet SDS

  • Acetyl-L-tyrosine methyl amide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-L-Tyr-NHMe
    Catalog Number:
    04400
    CAS Number:
    6367-14-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00237518
    Molecular Formula:
    C12H16N2O3
    Molecular Weight:
    236.28
    Specification Sheet SDS

  • Acetyl-L-serine methyl ester

    Purity:
    ≥ 98%
    Synonym:
    Ac-L-Ser-OMe
    Catalog Number:
    04395
    CAS Number:
    54322-41-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00038508
    Molecular Formula:
    C6H11NO4
    Molecular Weight:
    161.16
    Specification Sheet SDS

  • Acetyl-O-methyl-L-tyrosine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ac-L-Tyr(Me)-OMe
    Catalog Number:
    04379
    CAS Number:
    17355-24-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00069961
    Molecular Formula:
    C13H17NO4
    Molecular Weight:
    251.28
    Specification Sheet SDS
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