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Chiral Building Blocks

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  • (S)-(-)-α-Methylbenzyl isocyanide

    Hazmat
    Purity:
    ≥ 95.5% (GC)
    Synonym:
    [(1S)-1-Isocyanoethyl]benzene
    Hazmat
    Catalog Number:
    41372
    CAS Number:
    21872-32-2
    Purity Limit:
    ≥ 95.5% (GC)
    MDL NO:
    MFCD02683482
    Molecular Formula:
    C9H9N
    Molecular Weight:
    0
  • (R)-(+)-3-Methylcyclopentanone

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Synonym:
    (3R)-3-Methylcyclopentan-1-one
    Hazmat
    Catalog Number:
    41373
    CAS Number:
    6672-30-6
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00064147
    Molecular Formula:
    C6H10O
    Molecular Weight:
    0
  • (S)-4-[(1-Methylheptyloxy)carbonyl]phenyl 4′-octyloxy-4-biphenylcarboxylate

    Purity:
    ≥ 98.5% (HPLC)
    Synonym:
    (S)-4-[(1-Methylheptyloxy)carbonyl]phenyl-4'-octyloxy-4-biphenylcarboxylate
    Catalog Number:
    41368
    CAS Number:
    112901-67-4
    Purity Limit:
    ≥ 98.5% (HPLC)
    MDL NO:
    MFCD00192300
    Molecular Formula:
    C36H46O5
    Molecular Weight:
    558.75
  • N-Boc-cis-4-Fluoro-L-proline methyl ester

    Purity:
    ≥ 96.5% (HPLC)
    Synonym:
    (2S,4S)-1-tert-Butyl-2-methyl-4-fluoropyrrolidine-1,2-dicarboxylate
    Catalog Number:
    41350
    CAS Number:
    203866-16-4
    Purity Limit:
    ≥ 96.5% (HPLC)
    MDL NO:
    MFCD11054130
    Molecular Formula:
    C11H18FNO
    Molecular Weight:
    247.26
  • (R)-(+)-1,1,2-Triphenyl-1,2-ethanediol 2-acetate

    Purity:
    ≥ 96.5% (HPLC)
    Synonym:
    (1R)-2-Hydroxy-1,2,2-triphenylethyl acetate
    Catalog Number:
    41364
    CAS Number:
    95061-47-5
    Purity Limit:
    ≥ 96.5% (HPLC)
    MDL NO:
    MFCD00066242
    Molecular Formula:
    C22H20O3
    Molecular Weight:
    332.39
  • Benzyl (R)-(-)-mandelate

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Benzyl D-(-)-mandelate
    Catalog Number:
    41357
    CAS Number:
    97415-09-3
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00674031
    Molecular Formula:
    C15H14O3
    Molecular Weight:
    242.27
  • (1R,2S,5R)-(+)-5-Methyl-2-(1-methyl-1-phenylethyl)cyclohexyl chloroacetate

    Purity:
    98.5 - 101.5% (Assay by titration)
    Synonym:
    (1R)-2-Hydroxy-1,2,2-triphenylethyl acetate
    Catalog Number:
    41363
    CAS Number:
    71804-27-8
    Purity Limit:
    98.5 - 101.5% (Assay by titration)
    MDL NO:
    MFCD00040610
    Molecular Formula:
    C18H25ClO2
    Molecular Weight:
    308.84
  • (-)-Dimenthyl fumarate

    Purity:
    ≥ 94.5% (GC)
    Synonym:
    (-)-Di[(1R)-menthyl] fumarate
    Catalog Number:
    41365
    CAS Number:
    34675-24-6
    Purity Limit:
    ≥ 94.5% (GC)
    MDL NO:
    MFCD00075423
    Molecular Formula:
    C24H40O4
    Molecular Weight:
    392.57
  • 1R,2R-trans-1-Hydroxy-1,2,3,4-tetrahydro-2-naphthyl benzoate

    Purity:
    ≥ 97% (Chiral purity)
    Synonym:
    (1R,2R-1,2,3,4-Tetrahydro-1,2-naphthalenediol2-benzoate
    Catalog Number:
    41361
    CAS Number:
    904316-40-1
    Purity Limit:
    ≥ 97% (Chiral purity)
    Molecular Formula:
    C17H16O3
    Molecular Weight:
    268.31
  • 1S,2S-trans-1-Hydroxy-1,2,3,4-tetrahydro-2-naphthyl benzoate

    Purity:
    ≥ 97% (Chiral purity)
    Synonym:
    (1S,2S-1,2,3,4-Tetrahydro-1,2-naphthalenediol2-benzoate
    Catalog Number:
    41362
    CAS Number:
    904316-37-6
    Purity Limit:
    ≥ 97% (Chiral purity)
    MDL NO:
    MFCD16621430
    Molecular Formula:
    C17H16O3
    Molecular Weight:
    268.31
  • Benzyl (R)-(+)-2-hydroxy-3-phenylpropionate

    Purity:
    ≥ 96.5% (GC)
    Synonym:
    (R)-Benzyl 2-hydroxy-3-phenylpropanoate
    Catalog Number:
    41359
    CAS Number:
    7622-22-2
    Purity Limit:
    ≥ 96.5% (GC)
    MDL NO:
    MFCD00674062
    Molecular Formula:
    C16H16O3
    Molecular Weight:
    256.3
  • Ethyl (R)-(-)-2-hydroxy-4-phenylbutyrate

    Purity:
    ≥ 97.5% (GC)
    Synonym:
    (R)-2-Hydroxy-4-phenylbutyric acid
    Catalog Number:
    41353
    CAS Number:
    90315-82-5
    Purity Limit:
    ≥ 97.5% (GC)
    MDL NO:
    MFCD00077794
    Molecular Formula:
    C12H16O3
    Molecular Weight:
    208.25
  • (+)-Di-tert-butyl L-tartrate

    Purity:
    ≥ 98.5% (Chiral purity)
    Synonym:
    L-(+)-Tartaric Acid Di-tert-Butyl Ester
    Catalog Number:
    41355
    CAS Number:
    117384-45-9
    Purity Limit:
    ≥ 98.5% (Chiral purity)
    MDL NO:
    MFCD00192000
    Molecular Formula:
    C12H22O6
    Molecular Weight:
    262.3
  • (1S,2S)-trans-1-Hydroxy-1,2-dihydro-2-naphthyl benzoate

    Purity:
    ≥ 97% (Chiral purity)
    Synonym:
    (1S,2S)-1,2-Dihydro-1,2-naphthalenediol2-benzoate
    Catalog Number:
    41360
    CAS Number:
    359820-45-4
    Purity Limit:
    ≥ 97% (Chiral purity)
    MDL NO:
    MFCD16621428
    Molecular Formula:
    C17H14O3
    Molecular Weight:
    266.29
  • Ethyl (S)-(-)-2-(tert-butyldimethylsilyloxy)propionate

    Hazmat
    Purity:
    ≥ 97.5% (GC)
    Synonym:
    (S)-2-(tert-Butyldimethylsilanyloxy)propionic acid ethyl ester
    Hazmat
    Catalog Number:
    41352
    CAS Number:
    106513-42-2
    Purity Limit:
    ≥ 97.5% (GC)
    MDL NO:
    MFCD00192135
    Molecular Formula:
    C11H24O3Si
    Molecular Weight:
    0
  • Ethyl (R)-(-)-mandelate

    Purity:
    ≥ 98.5% (Chiral purity)
    Synonym:
    Ethyl D-(-)-Mandelate
    Catalog Number:
    41341
    CAS Number:
    10606-72-1
    Purity Limit:
    ≥ 98.5% (Chiral purity)
    MDL NO:
    MFCD00064248
    Molecular Formula:
    C10H12O3
    Molecular Weight:
    180.2
  • Methyl (S)-(-)-3-hydroxy-5-oxo-1-cyclopentene-1-heptanoate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    Methyl7-[(3S)-3-hydroxy-5-oxocycloopenten-1-yl]heptanoate
    Catalog Number:
    41356
    CAS Number:
    42038-75-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00799562
    Molecular Formula:
    C13H20O4
    Molecular Weight:
    240.3
  • +)-Methyl (R-3-(1-methyl-2-oxocyclohexyl)propionate

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    (R-(+)-2-(2'-Carbomethoxyethyl)-2-methylcyclohexanone
    Catalog Number:
    41351
    CAS Number:
    94089-47-1
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00012177
    Molecular Formula:
    C11H18O3
    Molecular Weight:
    198.26
  • Dimethyl (2R,3R,5R,6R-dimethoxy-5,6-dimethyl-1,4-dioxane-2,3-dicarboxylate

    Purity:
    ≥ 97.5% (GC)
    Synonym:
    (2R,3R,5R,6R-Dimethoxy-5,6-dimethyl-1,4-dioxane-2,3-dicarboxylicacid dimethyl ester
    Catalog Number:
    41354
    CAS Number:
    181586-74-3
    Purity Limit:
    ≥ 97.5% (GC)
    MDL NO:
    MFCD03427179
    Molecular Formula:
    C12H20O8
    Molecular Weight:
    292.28
  • Diisopropyl (S)-(−)-malate

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    L-Malic acid diisopropyl ester
    Catalog Number:
    41349
    CAS Number:
    83541-68-8
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00274300
    Molecular Formula:
    C10H18O5
    Molecular Weight:
    218.25
  • Methyl (2R,3S)-(+)-2,3-dihydroxy-3-phenylpropionate

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    (2R,3S)-2,3-Dihydroxy-3-phenylpropoionic acidmethyl ester
    Catalog Number:
    41343
    CAS Number:
    122743-18-4
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD01321380
    Molecular Formula:
    C10H12O4
    Molecular Weight:
    196.2
  • Ethyl (S)-(+)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-2-propenoate,predominantly trans

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    Ethyl(S)-trans-3-(2,2-dimethyl-1,3-dioxolan-4-yl)propenoate
    Catalog Number:
    41348
    CAS Number:
    64520-58-7
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00075367
    Molecular Formula:
    C10H16O4
    Molecular Weight:
    200.23
  • Methyl (R)-(+)-2-(4-hydroxyphenoxy)propionate

    Purity:
    ≥ 98% (Assay)
    Synonym:
    (R)-(+)-2-(4-Hydroxyphenoxy)propionic Acid Methyl Ester
    Catalog Number:
    41345
    CAS Number:
    96562-58-2
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00274087
    Molecular Formula:
    C10H12O4
    Molecular Weight:
    196.2
  • Ethyl (R)-(-)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)-trans-2-propenoate

    Purity:
    ≥ 96.5% (GC)
    Synonym:
    Ethyl(R)-trans-3-(2,2-dimethyl-1,3-dioxolan-4-yl)propenoate
    Catalog Number:
    41346
    CAS Number:
    104321-62-2
    Purity Limit:
    ≥ 96.5% (GC)
    MDL NO:
    MFCD00082585
    Molecular Formula:
    C10H16O4
    Molecular Weight:
    200.23
  • Ethyl (R)-cis-3-(2,2-dimethyl-1,3-dioxolan-4-yl)propenoate

    Purity:
    ≥ 97% (Chiral purity)
    Synonym:
    Ethyl(R)-cis-4,5-O-isopropylidene-4,5-dihydroxy-2-pentenoate
    Catalog Number:
    41347
    CAS Number:
    104321-63-3
    Purity Limit:
    ≥ 97% (Chiral purity)
    MDL NO:
    MFCD00075540
    Molecular Formula:
    C10H16O4
    Molecular Weight:
    200.23
  • Methyl (2S,3R)-(-)-2,3-dihydroxy-3-phenylpropionate

    Purity:
    ≥ 98.5% (GC)
    Synonym:
    (2S,3R)-(-)-2,3-Dihydroxy-3-phenylpropionic acidmethy ester
    Catalog Number:
    41344
    CAS Number:
    124649-67-8
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD09865001
    Molecular Formula:
    C10H12O4
    Molecular Weight:
    196.2
  • (+)-tert-Butyl D-lactate

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    tert-Butyl (R)-(+)-lactate
    Catalog Number:
    41338
    CAS Number:
    68166-83-6
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00191884
    Molecular Formula:
    C7H14O3
    Molecular Weight:
    146.18
  • (-)-Methyl (S)-2,2-dimethyl-1,3-dioxolane-4-carboxylate

    Hazmat
    Purity:
    ≥ 96% (Chiral purity)
    Synonym:
    Methyl 2,3-O-isopropylidene-L-glycerate
    Hazmat
    Catalog Number:
    41336
    CAS Number:
    60456-21-5
    Purity Limit:
    ≥ 96% (Chiral purity)
    MDL NO:
    MFCD00066526
    Molecular Formula:
    C7H12O4
    Molecular Weight:
    0
  • Ethyl (S)-(+)-mandelate

    Purity:
    ≥ 98.5% (Chiral purity)
    Synonym:
    Ethyl L-(+)-Mandelate
    Catalog Number:
    41342
    CAS Number:
    13704-09-1
    Purity Limit:
    ≥ 98.5% (Chiral purity)
    MDL NO:
    MFCD00064249
    Molecular Formula:
    C10H12O3
    Molecular Weight:
    180.2
  • Dimethyl (4R,5R)-1,3,2-dioxathiolane-4,5-dicarboxylate 2,2-dioxide

    Purity:
    ≥ 97% (Assay)
    Synonym:
    (-)-Dimethyl 2,3-O-sulfonyl-L-tartrate
    Catalog Number:
    41329
    CAS Number:
    117470-90-3
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00077752
    Molecular Formula:
    C6H8O8S
    Molecular Weight:
    240.19
  • Isobutyl (R)-(+)-lactate

    Hazmat
    Purity:
    ≥ 96.5% (GC)
    Synonym:
    (+)-Isobutyl D-lactate
    Hazmat
    Catalog Number:
    41340
    CAS Number:
    61597-96-4
    Purity Limit:
    ≥ 96.5% (GC)
    MDL NO:
    MFCD00012307
    Molecular Formula:
    C7H14O3
    Molecular Weight:
    0
  • Dimethyl (S)-(-)-malate

    Hazmat
    Purity:
    ≥ 98% (GC)
    Synonym:
    Dimethyl (S)-2-hydroxysuccinate
    Hazmat
    Catalog Number:
    41332
    CAS Number:
    617-55-0
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00066215
    Molecular Formula:
    C6H10O5
    Molecular Weight:
    0
  • (-)-Methyl (R)-3-hydroxyvalerate

    Purity:
    ≥ 98% (GC)
    Synonym:
    (-)-Methyl (R)-3-hydroxypentanoate
    Catalog Number:
    41335
    CAS Number:
    60793-22-8
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00077796
    Molecular Formula:
    C6H12O3
    Molecular Weight:
    132.16
  • Dimethyl (R)-(+)-malate

    Purity:
    ≥ 98% (GC)
    Synonym:
    Dimethyl (R)-2-hydroxysuccinate
    Catalog Number:
    41331
    CAS Number:
    70681-41-3
    Purity Limit:
    ≥ 98% (GC)
    MDL NO:
    MFCD00066216
    Molecular Formula:
    C6H10O5
    Molecular Weight:
    162.14
  • (-)-Butyl L-lactate

    Purity:
    ≥ 97% (Chiral purity)
    Synonym:
    Butyl (2S)-2-hydroxypropanoate
    Catalog Number:
    41339
    CAS Number:
    34451-19-9
    Purity Limit:
    ≥ 97% (Chiral purity)
    MDL NO:
    MFCD00066454
    Molecular Formula:
    C7H14O3
    Molecular Weight:
    146.18
  • Dimethyl (R)-(+)-methylsuccinate

    Hazmat
    Purity:
    ≥ 98.5% (GC)
    Synonym:
    (R)-Dimethyl-2-methylsuccinate
    Hazmat
    Catalog Number:
    41337
    CAS Number:
    22644-27-5
    Purity Limit:
    ≥ 98.5% (GC)
    MDL NO:
    MFCD00134573
    Molecular Formula:
    C7H12O4
    Molecular Weight:
    0
  • Ethyl (S)-2-(trifluoromethylsulfonyloxy)propionate

    Hazmat
    Purity:
    ≥ 96% (GC)
    Synonym:
    Ethyl O-trifluoromethanesulfonyl-L-lactate
    Hazmat
    Catalog Number:
    41330
    CAS Number:
    84028-88-6
    Purity Limit:
    ≥ 96% (GC)
    MDL NO:
    MFCD00134396
    Molecular Formula:
    C6H9F3O5S
    Molecular Weight:
    0
  • (S)-(-)-N-(1-Phenylethyl)maleimide

    Purity:
    ≥ 97% (Assay)
    Synonym:
    (S)-(-)-N-(1-Phenylethyl)maleimide
    Catalog Number:
    41319
    CAS Number:
    60925-76-0
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00674055
    Molecular Formula:
    C12H11NO2
    Molecular Weight:
    201.22
  • Ethyl (R)-(+)-4-bromo-3-hydroxybutyrate

    Purity:
    ≥ 83% (Assay by titration)
    Synonym:
    (R)-4-Bromo-3-hydroxybutyric acid ethyl ester
    Catalog Number:
    41333
    CAS Number:
    95310-94-4
    Purity Limit:
    ≥ 83% (Assay by titration)
    MDL NO:
    MFCD02262043
    Molecular Formula:
    C6H11BrO3
    Molecular Weight:
    211.05
  • Ethyl (R)-(+)-4-chloro-3-hydroxybutyrate

    Purity:
    ≥ 96.5% (Chiral purity)
    Synonym:
    (R)-4-Chloro-3-hydroxybutyric acid ethyl ester
    Catalog Number:
    41334
    CAS Number:
    90866-33-4
    Purity Limit:
    ≥ 96.5% (Chiral purity)
    MDL NO:
    MFCD00211242
    Molecular Formula:
    C6H11ClO3
    Molecular Weight:
    166.6
  • R-(+)-Aminoglutethimide

    Purity:
    ≥ 97% (Assay)
    Synonym:
    (R-3-(4-Aminophenyl)-3-ethylpiperidine-2,6-dione
    Catalog Number:
    41320
    CAS Number:
    55511-44-9
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD03094025
    Molecular Formula:
    C13H16N2O2
    Molecular Weight:
    232.28
  • Methyl (R)-(-)-3-hydroxy-2-methylpropionate

    Hazmat
    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    (-)-Methyl D-β-hydroxyisobutyrate
    Hazmat
    Catalog Number:
    41327
    CAS Number:
    72657-23-9
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00063450
    Molecular Formula:
    C5H10O3
    Molecular Weight:
    0
  • Methyl (S)-(+)-3-hydroxy-2-methylpropionate

    Hazmat
    Purity:
    ≥ 99.5% (GC)
    Synonym:
    (+)-Methyl L-β-hydroxyisobutyrate
    Hazmat
    Catalog Number:
    41328
    CAS Number:
    80657-57-4
    Purity Limit:
    ≥ 99.5% (GC)
    MDL NO:
    MFCD00064520
    Molecular Formula:
    C5H10O3
    Molecular Weight:
    0
  • (R)-(+)-N-(1-Phenylethyl)maleimide

    Purity:
    ≥ 97% (Assay)
    Synonym:
    1-[(1R)-1-Phenylethyl]-2,5-dihydro-1H-pyrrole-2,5-dione
    Catalog Number:
    41318
    CAS Number:
    6129-15-3
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD00674054
    Molecular Formula:
    C12H11NO2
    Molecular Weight:
    201.22
  • Methyl (R)-(+)-3-bromo-2-methylpropionate

    Purity:
    ≥ 98.5% (Chiral purity)
    Synonym:
    Methyl (R)-(+)-β-bromoisobutyrate
    Catalog Number:
    41326
    CAS Number:
    110556-33-7
    Purity Limit:
    ≥ 98.5% (Chiral purity)
    MDL NO:
    MFCD00010639
    Molecular Formula:
    110556-33-7
    Molecular Weight:
    181.03
  • (+)-Methyl D-lactate

    Hazmat
    Purity:
    ≥ 98% (Assay)
    Synonym:
    D-Lactic acid methyl ester
    Hazmat
    Catalog Number:
    41324
    CAS Number:
    17392-83-5
    Purity Limit:
    ≥ 98% (Assay)
    MDL NO:
    MFCD00004517
    Molecular Formula:
    C4H8O3
    Molecular Weight:
    0
  • (+)-Methyl (R)-2-chloropropionate

    Hazmat
    Purity:
    ≥ 95% (Chiral purity)
    Synonym:
    (R)-(+)-2-Chloropropionic acid methyl ester
    Hazmat
    Catalog Number:
    41322
    CAS Number:
    77287-29-7
    Purity Limit:
    ≥ 95% (Chiral purity)
    MDL NO:
    MFCD00062940
    Molecular Formula:
    C4H7ClO2
    Molecular Weight:
    0
  • (-)-Methyl (S)-2-chloropropionate

    Hazmat
    Purity:
    ≥ 96.5% (Chiral purity)
    Synonym:
    (S)-(-)-2-Chloropropionic acid methyl ester
    Hazmat
    Catalog Number:
    41323
    CAS Number:
    73246-45-4
    Purity Limit:
    ≥ 96.5% (Chiral purity)
    MDL NO:
    MFCD00062941
    Molecular Formula:
    C4H7ClO2
    Molecular Weight:
    0
  • (S)-(-)-Aminoglutethimide

    Purity:
    ≥ 97% (Assay)
    Synonym:
    (S)-3-(4-Aminophenyl)-3-ethylpiperidine-2,6-dione
    Catalog Number:
    41321
    CAS Number:
    57288-03-6
    Purity Limit:
    ≥ 97% (Assay)
    MDL NO:
    MFCD03094024
    Molecular Formula:
    C13H16N2O2
    Molecular Weight:
    232.28
  • Methyl (S)-(-)-3-bromo-2-methylpropionate

    Purity:
    ≥ 99% (Chiral purity)
    Synonym:
    Methyl (S)-(-)-β-bromoisobutyrate
    Catalog Number:
    41325
    CAS Number:
    98190-85-3
    Purity Limit:
    ≥ 99% (Chiral purity)
    MDL NO:
    MFCD00064487
    Molecular Formula:
    C5H9BrO2
    Molecular Weight:
    181.03