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508228 L- Buthionine Sulfoximine - CAS 83730-53-4 - Calbiochem

Overview

Key Spec Table

CAS #Empirical Formula
83730-53-4C₈H₁₈N₂O₃S

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5.08228.0001
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      Glass bottle 100 mg
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      Description
      OverviewA cell-permeable, sulfoximine based compound that acts a potent, fast acting, irreversible inhibitor of g-glutamylcysteine synthetase and depletes cellular glutathione levels. Closely resembles the structure of g-glutamylphosphate cysteine adduct. The inhibition follows the first order kinetics with t1/2 = ~ 11 sec at saturating inhibitor concentration. Does not affect the activity of glutamine synthetase. Shown to improve the outcome of chemotherapy by lowering the levels of glutathione in cancer cells (IC50 = 1.9, 8.6, and 29 µM in melanoma, breast, and ovarian tumor cells, respectively).
      Catalogue Number508228
      Brand Family Calbiochem®
      References
      ReferencesFruehauf, J.P., et al. 1997. Pigment Cell Res. 10, 236.
      OʹDwyer, P.J., et al. 1996. J. Clin. Oncol.14, 249.
      Griffith, O. W., 1982. J. Biol. Chem. 257, 13704.
      Griffith, O. W., et al. 1979. J. Biol. Chem. 254, 7558.
      Product Information
      CAS number83730-53-4
      FormWhite powder
      Hill FormulaC₈H₁₈N₂O₃S
      Chemical formulaC₈H₁₈N₂O₃S
      Structure formula ImageStructure formula Image
      Quality LevelMQ100
      Biological Information
      Primary Targetgamma-glutamylcysteine synthetase
      Purity≥97% by TLC
      Storage and Shipping Information
      Ship Code Shipped at Ambient Temperature or with Blue Ice or with Dry Ice
      Toxicity Standard Handling
      Storage +2°C to +8°C
      Protect from Light Protect from light
      Do not freeze Ok to freeze
      Special InstructionsFollowing reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
      Packaging Information
      Packaged under inert gas Packaged under inert gas
      Global Trade Item Number
      Catalogue Number GTIN
      5.08228.0001 04055977261790