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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-β-(2-furyl)-L-alanine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Fmoc-3-L-Ala(2-furyl)-OH
    Catalog Number:
    07420
    CAS Number:
    159611-02-6
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD01311747
    Molecular Formula:
    C22H19NO5
    Molecular Weight:
    377.4
  • Pentafluoro-L-phenylalanine

    Purity:
    ≥ 99% (ChiraL HPLC)
    Synonym:
    L-Phe(F)5-OH
    Catalog Number:
    07183
    CAS Number:
    138109-65-6, 34702-59-5
    Purity Limit:
    ≥ 99% (ChiraL HPLC)
    MDL NO:
    MFCD01860881
    Molecular Formula:
    C9H6NO2F5
    Molecular Weight:
    255.12
  • H-Glu-Tyr-OH

    Purity:
    ≥ 98% (HPLC)
    Catalog Number:
    06057
    CAS Number:
    3422-39-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00063199
    Molecular Formula:
    C14H18N2O6
    Molecular Weight:
    310.31
  • Fmoc-O-methyl-L-tyrosine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Tyr(Me)-OH
    Catalog Number:
    05350
    CAS Number:
    77128-72-4
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00153368
    Molecular Formula:
    C25H23NO5
    Molecular Weight:
    417.47
  • Fmoc-L-propargylglycine

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Fmoc-L-propargyl-Gly-OH
    Catalog Number:
    05138
    CAS Number:
    198561-07-8
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD01075095
    Molecular Formula:
    C20H17NO4
    Molecular Weight:
    335.3
  • Fmoc-(2S,4S)-4-amino-1-benzoyl-pyrrolidine-2-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-AZPC(2S,4S)-OH
    Catalog Number:
    04940
    CAS Number:
    204321-85-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00673784
    Molecular Formula:
    C27H24N2O5
    Molecular Weight:
    456.5
  • Fmoc-2-fluoro-L-phenylalanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-L-Phe(2-F)-OH
    Catalog Number:
    04138
    CAS Number:
    205526-26-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00672552
    Molecular Formula:
    C24H20FNO4
    Molecular Weight:
    405.4
  • Nα-Boc-Nim-trityl-L-histidine

    Purity:
    ≥ 99.7% (HPLC, Chiral purity)
    Synonym:
    Boc-L-His(Trt)-OH
    Catalog Number:
    04038
    CAS Number:
    32926-43-5
    Purity Limit:
    ≥ 99.7% (HPLC, Chiral purity)
    MDL NO:
    MFCD00153307
    Molecular Formula:
    C30H31N3O4
    Molecular Weight:
    497.6
  • Nα-Fmoc-Nβ-Boc-L-2,3-diaminopropionic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Dap(Boc)-OH
    Catalog Number:
    03763
    CAS Number:
    162558-25-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00235896
    Molecular Formula:
    C23H26N2O6
    Molecular Weight:
    426.46
  • Nα-Fmoc-Nε-1-(4,4-dimethyl-2,6-dioxocyclohex-1-ylidene)ethyl-L-lysine

    Purity:
    ≥ 95% (HPLC)
    Synonym:
    Fmoc-L-Lys(Dde)-OH
    Catalog Number:
    03718
    CAS Number:
    150629-67-7
    Purity Limit:
    ≥ 95% (HPLC)
    MDL NO:
    MFCD00278818
    Molecular Formula:
    C31H36N2O6
    Molecular Weight:
    532.58
  • Catalog Number:
    03695
    CAS Number:
    269066-08-2
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00797875
    Molecular Formula:
    C39H42N2O8
    Molecular Weight:
    666.7
  • Nα-Fmoc-Nε-allyloxycarbonyl-L-lysine

    Purity:
    ≥ 99.9% (Chiral HPLC)
    Synonym:
    Fmoc-L-Lys(Aloc)-OH
    Catalog Number:
    03616
    CAS Number:
    146982-27-6
    Purity Limit:
    ≥ 99.9% (Chiral HPLC)
    MDL NO:
    MFCD00190872
    Molecular Formula:
    C25H28N2O6
    Molecular Weight:
    452.51
  • Fmoc-D-isoleucine

    Purity:
    > 98.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Ile-OH
    Catalog Number:
    03448
    CAS Number:
    143688-83-9
    Purity Limit:
    > 98.5% (Chiral HPLC)
    MDL NO:
    MFCD00080291
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.4
  • L-Glutamic acid di-tert-butyl ester hydrochloride

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-G(OtBu)-OtBu·HCl
    Catalog Number:
    03064
    CAS Number:
    32677-01-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00058003
    Molecular Formula:
    C13H25NO4·HCl
    Molecular Weight:
    295.8
  • Nα-Fmoc-Nα-methyl-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-N-Me-D-Phe-OH
    Catalog Number:
    02671
    CAS Number:
    138775-05-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00153392
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.5
  • Fmoc-N-methyl-D-leucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-N-Me-D-Leu-OH
    Catalog Number:
    02663
    CAS Number:
    103478-63-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00235877
    Molecular Formula:
    C22H25NO4
    Molecular Weight:
    367.4
  • Acetyl-L-leucine

    Purity:
    97.5 to 102.5% (Assay)
    Synonym:
    Ac-L-Leu-OH
    Catalog Number:
    02617
    CAS Number:
    1188-21-2
    Purity Limit:
    97.5 to 102.5% (Assay)
    MDL NO:
    MFCD00065131
    Molecular Formula:
    C8H15NO3
    Molecular Weight:
    173.2
  • Fmoc-(3S-)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

    Purity:
    ≥ 99% (Chiral HPLC)
    Synonym:
    Fmoc-L-Tic-OH
    Catalog Number:
    02601
    CAS Number:
    136030-33-6
    Purity Limit:
    ≥ 99% (Chiral HPLC)
    MDL NO:
    MFCD00144368
    Molecular Formula:
    C25H21NO4
    Molecular Weight:
    399.4
  • Fmoc-4-chloro-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-Cl)-OH
    Catalog Number:
    02568
    CAS Number:
    175453-08-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00080281
    Molecular Formula:
    C24H20ClNO4
    Molecular Weight:
    421.9
  • Fmoc-α-aminoisobutyric acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-Aib-OH
    Catalog Number:
    02547
    CAS Number:
    94744-50-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151913
    Molecular Formula:
    C19H19NO4
    Molecular Weight:
    325.37
  • Fmoc-S-tert-butylthio-L-cysteine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Cys(StBu)-OH
    Catalog Number:
    02403
    CAS Number:
    73724-43-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00042617
    Molecular Formula:
    C22H25NO4S2
    Molecular Weight:
    431.6
  • Z-L-leucine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Z-L-Leu-OH
    Catalog Number:
    02194
    CAS Number:
    2018-66-8
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00026494
    Molecular Formula:
    C14H19NO4
    Molecular Weight:
    265.3
  • Catalog Number:
    01911
    MDL NO:
    MFCD00801260
    Molecular Weight:
    0.0
  • Boc-L-proline

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-L-Pro-OH
    Catalog Number:
    00672
    CAS Number:
    15761-39-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037324
    Molecular Formula:
    C10H17NO4
    Molecular Weight:
    215.3
  • Hazmat
    Catalog Number:
    00604
    CAS Number:
    56602-33-6
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00011948
    Molecular Formula:
    C12H22F6N6OP2
    Molecular Weight:
    442.5
  • Boc-glycine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-Gly-OH
    Catalog Number:
    00671
    CAS Number:
    4530-20-5
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002690
    Molecular Formula:
    C7H13NO4
    Molecular Weight:
    175.2
  • Nε-Boc-L-Lysine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Lys(Boc)-OH
    Catalog Number:
    00363
    CAS Number:
    2418-95-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037221
    Molecular Formula:
    C11H22N2O4
    Molecular Weight:
    246.3
  • L-Asparagine monohydrate

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Asn-OH·H2O
    Catalog Number:
    00026
    CAS Number:
    5794-13-8
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00151038
    Molecular Formula:
    C4H8N2O3·H2O
    Molecular Weight:
    150.1
  • 4-Azido-2,2,6,6-tetramethylpiperidine N-oxide

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    4-Azido-TEMPO
    Catalog Number:
    33563
    CAS Number:
    63697-61-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD16659950
    Molecular Formula:
    C9H17N4O
    Molecular Weight:
    197.3
  • Nα -Fmoc-L-Lysine tert-butyl ester hydrochloride

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Fmoc-L-Lys-OtBu·HCl
    Catalog Number:
    33496
    CAS Number:
    940941-43-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD32066818
    Molecular Formula:
    C25H32N2O4·HCl
    Molecular Weight:
    461.0
  • Catalog Number:
    33310
    CAS Number:
    42074-68-0
    MDL NO:
    MFCD00161760
    Molecular Weight:
    0.0
  • 3,4-Dihydroxy-L-phenylalanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    3-(3,4-Dihydroxyphenyl)-L-alanine
    Catalog Number:
    32464
    CAS Number:
    59-92-7
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00002598
    Molecular Formula:
    C9H11NO4
    Molecular Weight:
    197.19
  • Diethylenetriaminepentaacetic acid

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    N,N-Bis(2-[bis(carboxymethyl)amino]ethyl)glycine
    Catalog Number:
    30430
    CAS Number:
    67-43-6
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00004289
    Molecular Formula:
    C14H23N3O10
    Molecular Weight:
    393.35
  • L-Alanine, from non-animal source, suitable for cell culture

    Grade:
    meets USP, EP, JP specifications
    Purity:
    ≥ 98.5% anhydrous basis
    Synonym:
    L-Ala-OH
    Catalog Number:
    26712
    Grade:
    meets USP, EP, JP specifications
    CAS Number:
    56-41-7
    Purity Limit:
    ≥ 98.5% anhydrous basis
    MDL NO:
    MFCD00064410
    Molecular Formula:
    C3H7NO2
    Molecular Weight:
    89.09
  • H-N-3-Methyl-L-histidine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    L-His(π-Me)-OH
    Catalog Number:
    11339
    CAS Number:
    368-16-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00083658
    Molecular Formula:
    C7H11N3O2
    Molecular Weight:
    169.18
  • Nα-Fmoc-Nε-4-methoxyyltrityl-L-lysine

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    Fmoc-L-Lys(Mmt)-OH
    Catalog Number:
    11187
    CAS Number:
    159857-60-0
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00270542
    Molecular Formula:
    C41H40N2O5
    Molecular Weight:
    640.8
  • Catalog Number:
    05854
    CAS Number:
    257288-23-6
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD01632060
    Molecular Formula:
    C22H34N4O5S·Cl
    Molecular Weight:
    503.12
  • Fmoc-4-azido-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-azido)-OH
    Catalog Number:
    05752
    CAS Number:
    163217-43-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00237665
    Molecular Formula:
    C24H20N4O4
    Molecular Weight:
    428.5
  • Fmoc-S-trityl-L-homocysteine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-HomoCys(Trt)-OH
    Catalog Number:
    05723
    CAS Number:
    167015-23-8
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00672322
    Molecular Formula:
    C38H33NO4S
    Molecular Weight:
    599.74
  • Nα-Fmoc-Nim-Boc-L-histidine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-His(Boc)-OH
    Catalog Number:
    05719
    CAS Number:
    81379-52-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00151928
    Molecular Formula:
    C26H27N3O6
    Molecular Weight:
    477.5
  • Boc-L-pyroglutamic acid

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Boc-L-Pyr-OH
    Catalog Number:
    05596
    CAS Number:
    53100-44-0
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00672316
    Molecular Formula:
    C10H15NO5
    Molecular Weight:
    229.24
  • Fmoc-4-methyl-L-phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-Me)-OH
    Catalog Number:
    04991
    CAS Number:
    199006-54-7
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00270197
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.46
  • Tentagel S HMBA (0.2 - 0.5 meq/g, 100 - 200 mesh)

    Synonym:
    4-Hydroxymethylbenzoxyl polyethylene glycol resin
    Catalog Number:
    04781
    MDL NO:
    MFCD01656042
    Molecular Weight:
    0.0
  • Fmoc-O-2-chlorotrityl-L-tyrosine

    Purity:
    ≥ 98% (Chiral HPLC)
    Synonym:
    Fmoc-L-Tyr(2-ClTrt)-OH
    Catalog Number:
    04316
    CAS Number:
    350241-80-4
    Purity Limit:
    ≥ 98% (Chiral HPLC)
    MDL NO:
    MFCD01073759
    Molecular Formula:
    C43H34NO5Cl
    Molecular Weight:
    680.2
  • Catalog Number:
    04168
    MDL NO:
    MFCD00801432
    Molecular Weight:
    0.0
  • Fmoc-p-phenyl-L-Phenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-Bip(4,4')-OH
    Catalog Number:
    04084
    CAS Number:
    199110-64-0
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191198
    Molecular Formula:
    C30H25NO4
    Molecular Weight:
    463.52
  • Fmoc-4-(Boc-amino)-L-phenylalanine

    Purity:
    ≥ 97% (HPLC)
    Synonym:
    Fmoc-L-Phe(4-NHBoc)-OH
    Catalog Number:
    03755
    CAS Number:
    174132-31-1
    Purity Limit:
    ≥ 97% (HPLC)
    MDL NO:
    MFCD00237007
    Molecular Formula:
    C29H30N2O6
    Molecular Weight:
    502.6
  • Fmoc-D-norleucine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Fmoc-D-Nle-OH
    Catalog Number:
    03726
    CAS Number:
    112883-41-7
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00155639
    Molecular Formula:
    C21H23NO4
    Molecular Weight:
    353.42
  • L-Alanine tert-butyl ester hydrochloride

    Purity:
    99% (Assay by titration)
    Synonym:
    L-Ala-OtBu·HCl
    Catalog Number:
    03014
    CAS Number:
    13404-22-3
    Purity Limit:
    99% (Assay by titration)
    MDL NO:
    MFCD00035524
    Molecular Formula:
    C7H15NO2·Cl
    Molecular Weight:
    181.7
  • L-Glutamic acid γ-benzyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Glu(OBzl)-OH
    Catalog Number:
    03057
    CAS Number:
    1676-73-9
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00002633
    Molecular Formula:
    C12H15NO4
    Molecular Weight:
    237.3