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Peptide Chemistry

Peptide Chemistry

6121
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.

  • Acetyl-L-tyrosine ethyl ester hydrate

    Purity:
    ≥ 99.0% (HPLC)
    Synonym:
    Ac-L-Tyr-OEt·H2O
    Catalog Number:
    02641
    CAS Number:
    36546-50-6
    Purity Limit:
    ≥ 99.0% (HPLC)
    MDL NO:
    MFCD00149093
    Molecular Formula:
    C13H17NO4·H2O
    Molecular Weight:
    269.3
  • Acetyl-L-proline methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ac-L-Pro-OMe
    Catalog Number:
    02634
    CAS Number:
    27460-51-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00037338
    Molecular Formula:
    C8H13NO3
    Molecular Weight:
    171.2
  • Nα-Acetyl-L-tryptophan

    Purity:
    ≥ 99.5% (HPLC)
    Synonym:
    Ac-L-Trp-OH
    Catalog Number:
    02635
    CAS Number:
    1218-34-4
    Purity Limit:
    ≥ 99.5% (HPLC)
    MDL NO:
    MFCD00065976
    Molecular Formula:
    C13H14N2O3
    Molecular Weight:
    246.3
  • Acetyl-L-proline

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Ac-L-Pro-OH
    Catalog Number:
    02631
    CAS Number:
    68-95-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00020837
    Molecular Formula:
    C7H11NO3
    Molecular Weight:
    157.2
  • Nα-Acetyl-L-tryptophan amide

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Trp-NH2
    Catalog Number:
    02637
    CAS Number:
    2382-79-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005646
    Molecular Formula:
    C13H15N3O2
    Molecular Weight:
    245.3
  • Nα-Acetyl-D-tryptophan

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-D-Trp-OH
    Catalog Number:
    02636
    CAS Number:
    2280-01-5
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00065021
    Molecular Formula:
    C13H14N2O3
    Molecular Weight:
    246.3
  • Acetyl-L-proline amide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-L-Pro-NH2
    Catalog Number:
    02633
    CAS Number:
    16395-58-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00037340
    Molecular Formula:
    C7H12N2O2
    Molecular Weight:
    156.2
  • Nα-Acetyl-L-tryptophan ethyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Trp-OEt
    Catalog Number:
    02639
    CAS Number:
    2382-80-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00005643
    Molecular Formula:
    C15H18N2O3
    Molecular Weight:
    274.3
  • Acetyl-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Acetyl-L-phenylalanine
    Catalog Number:
    02626
    CAS Number:
    2018-61-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00063158
    Molecular Formula:
    C11H13NO3
    Molecular Weight:
    207.2
  • Acetyl-D-phenylalanine

    Purity:
    98 - 101% (Assay)
    Synonym:
    Ac-D-Phe-OH
    Catalog Number:
    02627
    CAS Number:
    10172-89-1
    Purity Limit:
    98 - 101% (Assay)
    MDL NO:
    MFCD00002664
    Molecular Formula:
    C11H13NO3
    Molecular Weight:
    207.2
  • Acetyl-D-proline

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Acetyl-D-proline
    Catalog Number:
    02632
    CAS Number:
    59785-68-1
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00080841
    Molecular Formula:
    C7H11NO3
    Molecular Weight:
    157.2
  • Acetyl-L-phenylalanine methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Phe-OMe
    Catalog Number:
    02630
    CAS Number:
    3618-96-0
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00066060
    Molecular Formula:
    C12H15NO3
    Molecular Weight:
    221.3
  • Acetyl-L-isoleucine methyl ester

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-L-Ile-OMe
    Catalog Number:
    02616
    CAS Number:
    2256-76-0
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00080833
    Molecular Formula:
    C9H17NO3
    Molecular Weight:
    187.2
  • Acetyl-L-leucine amide

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-L-Leu-NH2
    Catalog Number:
    02619
    CAS Number:
    28529-34-2
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00026506
    Molecular Formula:
    C8H16N2O2
    Molecular Weight:
    172.2
  • Nα-Acetyl-L-lysine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Lys-OH
    Catalog Number:
    02621
    CAS Number:
    1946-82-3
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00008233
    Molecular Formula:
    C8H16N2O3
    Molecular Weight:
    188.2
  • Acetyl-D-methionine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-D-Met-OH
    Catalog Number:
    02624
    CAS Number:
    1509-92-8
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00069962
    Molecular Formula:
    C7H13NO3S
    Molecular Weight:
    191.2
  • Acetyl-L-methionine methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Met-OMe
    Catalog Number:
    02625
    CAS Number:
    35671-83-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038235
    Molecular Formula:
    C8H15NO3S
    Molecular Weight:
    205.3
  • Acetyl-L-isoleucine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Ile-OH
    Catalog Number:
    02615
    CAS Number:
    3077-46-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00066072
    Molecular Formula:
    C8H15NO3
    Molecular Weight:
    173.22
  • Acetyl-D-leucine

    Purity:
    ≥ 99% (Assay by titration)
    Synonym:
    Ac-D-Leu-OH
    Catalog Number:
    02618
    CAS Number:
    19764-30-8
    Purity Limit:
    ≥ 99% (Assay by titration)
    MDL NO:
    MFCD00066069
    Molecular Formula:
    C8H15NO3
    Molecular Weight:
    173.2
  • Nα-Acetyl-L-lysine methyl ester hydrochloride

    Purity:
    ≥ 99% (TLC)
    Synonym:
    Ac-L-Lys-OMe·HCl
    Catalog Number:
    02622
    CAS Number:
    20911-93-7
    Purity Limit:
    ≥ 99% (TLC)
    MDL NO:
    MFCD00003570
    Molecular Formula:
    C9H18N2O3·HCl
    Molecular Weight:
    238.7
  • Acetyl-L-leucine methyl ester

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Ac-L-Leu-OMe
    Catalog Number:
    02620
    CAS Number:
    1492-11-1
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00038292
    Molecular Formula:
    C9H17NO3
    Molecular Weight:
    187.2
  • Acetyl-L-trans-4-hydroxyproline

    Purity:
    ≥ 95% (TLC)
    Synonym:
    Ac-L-Hyp-OH
    Catalog Number:
    02614
    CAS Number:
    33996-33-7
    Purity Limit:
    ≥ 95% (TLC)
    MDL NO:
    MFCD00037339
    Molecular Formula:
    C7H11NO4
    Molecular Weight:
    173.2
  • Acetyl-L-methionine

    Purity:
    ≥ 98%
    Synonym:
    Ac-L-Met-OH
    Catalog Number:
    02623
    CAS Number:
    65-82-7
    Purity Limit:
    ≥ 98%
    MDL NO:
    MFCD00064441
    Molecular Formula:
    C7H13NO3S
    Molecular Weight:
    191.2
  • Acetyl-D-alanine

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Ac-D-Ala-OH
    Catalog Number:
    02605
    CAS Number:
    19436-52-3
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00063133
    Molecular Formula:
    C5H9NO3
    Molecular Weight:
    131.1
  • Acetyl-glycine 4-nitrophenyl ester

    Purity:
    ≥ 99% (assay)
    Synonym:
    Ac-Gly-ONp
    Catalog Number:
    02613
    CAS Number:
    3304-61-8
    Purity Limit:
    ≥ 99% (assay)
    MDL NO:
    MFCD00127756
    Molecular Formula:
    C10H10N2O5
    Molecular Weight:
    238.2
  • Acetyl-L-alanine amide

    Purity:
    ≥ 99% (Assay)
    Synonym:
    Ac-L-Ala-NH2
    Catalog Number:
    02606
    CAS Number:
    15962-47-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00080821
    Molecular Formula:
    C5H10N2O2
    Molecular Weight:
    130.1
  • Acetyl-L-alanine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Acetyl-L-alanine methyl ester
    Catalog Number:
    02607
    CAS Number:
    3619-02-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00038239
    Molecular Formula:
    C6H11NO3
    Molecular Weight:
    145.16
  • Acetyl-D-alanine methyl ester

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Ac-D-Ala-OMe
    Catalog Number:
    02608
    CAS Number:
    19914-36-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00080822
    Molecular Formula:
    C6H11NO3
    Molecular Weight:
    145.16
  • N-Hydroxyphthalimide

    Purity:
    ≥ 99% (Assay)
    Synonym:
    2-Hydroxy-1H-isoindole-1,3(2H-dione
    Catalog Number:
    02322
    CAS Number:
    524-38-9
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005891
    Molecular Formula:
    C8H5NO3
    Molecular Weight:
    163.13
  • L-Thiaproline

    Hazmat
    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Thz-OH
    Hazmat
    Catalog Number:
    02603
    CAS Number:
    34592-47-7
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00005212
    Molecular Formula:
    C4H7NO2S
    Molecular Weight:
    133.2
  • Acetyl-L-alanine

    Purity:
    ≥ 98% (Assay by Titration)
    Synonym:
    Ac-L-Ala-OH
    Catalog Number:
    02604
    CAS Number:
    97-69-8
    Purity Limit:
    ≥ 98% (Assay by Titration)
    MDL NO:
    MFCD00063132
    Molecular Formula:
    C5H9NO3
    Molecular Weight:
    131.1
  • Boc-(3R-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Boc-D-Tic-OH
    Catalog Number:
    02600
    CAS Number:
    115962-35-1
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00143818
    Molecular Formula:
    C15H19NO4
    Molecular Weight:
    277.3
  • (3S)-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    L-Tic-OH
    Catalog Number:
    02597
    CAS Number:
    74163-81-8
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00144533
    Molecular Formula:
    C10H11NO2
    Molecular Weight:
    177.2
  • 3R-1,2,3,4-Tetrahydroisoquinoline-3-carboxylic acid

    Purity:
    ≥ 99% (assay)
    Synonym:
    D-Tic-OH
    Catalog Number:
    02598
    CAS Number:
    103733-65-9
    Purity Limit:
    ≥ 99% (assay)
    MDL NO:
    MFCD00144038
    Molecular Formula:
    C10H11NO2
    Molecular Weight:
    177.2
  • Trityl-L- homoserine

    Purity:
    98+%
    Synonym:
    Trt-L-HomoSer-OH
    Catalog Number:
    02595
    CAS Number:
    83427-79-6
    Purity Limit:
    98+%
    MDL NO:
    MFCD00235909
    Molecular Formula:
    C23H23NO3
    Molecular Weight:
    361.44
  • D-Penicillamine

    Grade:
    USP
    Purity:
    98 - 101% (Assay on dried basis)
    Synonym:
    D-Pen-OH
    Catalog Number:
    02591
    Grade:
    USP
    CAS Number:
    52-67-5
    Purity Limit:
    98 - 101% (Assay on dried basis)
    MDL NO:
    MFCD00064302
    Molecular Formula:
    C5H11NO2S
    Molecular Weight:
    149.2
  • Boc-S-4-methylbenzyl-L-penicillamine

    Purity:
    99%
    Synonym:
    Boc-L-Pen(pMeBzl)-OH
    Catalog Number:
    02592
    CAS Number:
    198474-61-2
    Purity Limit:
    99%
    MDL NO:
    MFCD00671677
    Molecular Formula:
    C18H27NO4S
    Molecular Weight:
    353.4
  • Boc-S-4-methylbenzyl-D-penicillamine dicyclohexylammonium salt

    Purity:
    ≥ 98
    Synonym:
    Boc-D-Pen(pMeBzl)-OH·DCHA
    Catalog Number:
    02593
    CAS Number:
    198470-36-9
    Purity Limit:
    ≥ 98
    MDL NO:
    MFCD00235908
    Molecular Formula:
    C18H27NO4S·C12H23N
    Molecular Weight:
    534.7
  • L-Penicillamine

    Purity:
    ≥ 99% (Assay)
    Synonym:
    L-Pen-OH
    Catalog Number:
    02590
    CAS Number:
    1113-41-3
    Purity Limit:
    ≥ 99% (Assay)
    MDL NO:
    MFCD00064303
    Molecular Formula:
    C5H11NO2S
    Molecular Weight:
    149.2
  • Boc-3-(2-naphthyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Ala(2-naphthyl)-OH
    Catalog Number:
    02587
    CAS Number:
    76985-10-9
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00076900
    Molecular Formula:
    C18H21NO4
    Molecular Weight:
    315.2
  • Boc-3-(1-naphthyl)-D-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Ala(1-naphthyl)-OH
    Catalog Number:
    02583
    CAS Number:
    76932-48-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079668
    Molecular Formula:
    C18H21NO4
    Molecular Weight:
    315.2
  • Fmoc-3-(1-naphthyl)-D-alanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-D-Ala(1-naphthyl)-OH
    Catalog Number:
    02585
    CAS Number:
    138774-93-3
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00191200
    Molecular Formula:
    C28H23NO4
    Molecular Weight:
    437.5
  • Boc-3-(2-naphthyl)-L-alanine

    Purity:
    ≥ 99.5% (Chiral HPLC)
    Synonym:
    Boc-L-Ala(2-naphthyl)-OH
    Catalog Number:
    02586
    CAS Number:
    58438-04-3
    Purity Limit:
    ≥ 99.5% (Chiral HPLC)
    MDL NO:
    MFCD00079671
    Molecular Formula:
    C18H21NO4
    Molecular Weight:
    315.2
  • Boc-3-(1-naphthyl)-L-alanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Ala(1-naphthyl)-OH
    Catalog Number:
    02582
    CAS Number:
    55447-00-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00085377
    Molecular Formula:
    C18H21NO4
    Molecular Weight:
    315.2
  • D-Homophenylalanine

    Purity:
    ≥ 99%
    Synonym:
    D-HomoPhe-OH
    Catalog Number:
    02578
    CAS Number:
    82795-51-5
    Purity Limit:
    ≥ 99%
    MDL NO:
    MFCD00063091
    Molecular Formula:
    C10H13NO2
    Molecular Weight:
    179.22
  • L-Homophenylalanine

    Purity:
    ≥ 99% (HPLC, Chiral purity)
    Synonym:
    L-HomoPhe-OH
    Catalog Number:
    02577
    CAS Number:
    943-73-7
    Purity Limit:
    ≥ 99% (HPLC, Chiral purity)
    MDL NO:
    MFCD00002619
    Molecular Formula:
    C10H13NO2
    Molecular Weight:
    179.22
  • Boc-4-fluoro-D-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-D-Phe(4-F)-OH
    Catalog Number:
    02574
    CAS Number:
    57292-45-2
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079669
    Molecular Formula:
    C14H18FNO4
    Molecular Weight:
    283.2
  • Fmoc-L-homophenylalanine

    Purity:
    ≥ 98% (HPLC)
    Synonym:
    Fmoc-L-HomoPhe-OH
    Catalog Number:
    02579
    CAS Number:
    132684-59-4
    Purity Limit:
    ≥ 98% (HPLC)
    MDL NO:
    MFCD00077046
    Molecular Formula:
    C25H23NO4
    Molecular Weight:
    401.45
  • Boc-4-fluoro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    Boc-L-Phe(4-F)-OH
    Catalog Number:
    02573
    CAS Number:
    41153-30-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00079672
    Molecular Formula:
    C14H18FNO4
    Molecular Weight:
    283.2
  • 2-Fluoro-L-phenylalanine

    Purity:
    ≥ 99% (HPLC)
    Synonym:
    L-Phe(2-F)-OH
    Catalog Number:
    02570
    CAS Number:
    19883-78-4
    Purity Limit:
    ≥ 99% (HPLC)
    MDL NO:
    MFCD00066448
    Molecular Formula:
    C9H10FNO2
    Molecular Weight:
    183.2