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533717 GLS1 Inhibitor III, CB-839 - CAS 1439399-58-2 - Calbiochem

Cell-permeable, orally available, potent, selective & non-competitive GLS1 inhibitor. Reduces glutamine consumption & glutamate secretion, and induces apoptosis.

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Synonyme: N-(6-(4-(5-((2-Pyridin-2-ylacetyl)amino)-1,3,4-thiadiazol-2-yl)butyl)pyridazin-3-yl)-2-(3-(trifluoromethoxy)phenyl)acetamide, KGA Inhibitor III, 2-(Pyridin-2-yl)-N-(5-(4-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)butyl)-1,3,4-thiadiazol-2-yl)acetamide, GAC Inhibitor III, Kidney-Type Glutaminase Inhibitor III

Primary Target: GLS1
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533717
Preis & Verfügbarkeit

Übersicht

Replacement Information

Key Spec Table

CAS #Empirical Formula
1439399-58-2C₂₆H₂₄F₃N₇O₃S

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      Description
      OverviewA cell-permeable, orally available thiadiazolyl-butyl-pyridazinyl compound that acts as a potent, selective, time-dependent, and slowly-reversible (t1/2 = 45 min at 25 °C) inhibitor of glutaminase (IC50 = 45, 23 and 28 nM for rec hu-GAC, KGA and GAC, respectively). The inhibition appears to be non-competitive and allosteric. Exhibits anti-proliferative effects in HCC1806 and MDA-MB-231 triple-negative breast cancer cell lines (IC50 = 49 and 26 nM, respectively), but does not affect the viability of ER+/HER2-T47D cell line. Shown to reduce glutamine consumption (IC50 = 17 nM) and glutamate production (IC50 = 15 nM) rates in HCC1806 cells. Inhibits the growth of HCC1806 xenografts in mice (~200 mg/kg, p.o., b.i.d) and of JIMT-1 xenografts (200 mg/kg p.o., b.i.d), either alone or in combination with paclitaxel (10 mg/kg , 5 doses alternate days).

      Please note that the molecular weight for this compound is batch-specific due to variable water content. Please refer to the vial label or the certificate of analysis for the batch-specific molecular weight. The molecular weight provided represents the baseline molecular weight without water.
      Catalogue Number533717
      Brand Family Calbiochem®
      SynonymsN-(6-(4-(5-((2-Pyridin-2-ylacetyl)amino)-1,3,4-thiadiazol-2-yl)butyl)pyridazin-3-yl)-2-(3-(trifluoromethoxy)phenyl)acetamide, KGA Inhibitor III, 2-(Pyridin-2-yl)-N-(5-(4-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)butyl)-1,3,4-thiadiazol-2-yl)acetamide, GAC Inhibitor III, Kidney-Type Glutaminase Inhibitor III
      DescriptionGLS1 Inhibitor III, CB-839
      References
      ReferencesGross, M.I., et al. 2014. Mol. Cancer Ther. 13, 890.
      Product Information
      CAS number1439399-58-2
      FormYellow to brown solid
      Hill FormulaC₂₆H₂₄F₃N₇O₃S
      Chemical formulaC₂₆H₂₄F₃N₇O₃S
      ReversibleY
      Quality LevelMQ100
      Applications
      Biological Information
      Primary TargetGLS1
      Primary Target IC<sub>50</sub>23 nM & 28 nM, respectively, using murine kidney and brain homogenates
      Purity≥97% by HPLC
      Physicochemical Information
      Cell permeableY
      Dimensions
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Storage and Shipping Information
      Ship Code Ambient Temperature Only
      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
      Transport Information
      Supplemental Information
      Specifications
      Global Trade Item Number
      Bestellnummer GTIN
      5337170001 04055977286656

      Documentation

      GLS1 Inhibitor III, CB-839 - CAS 1439399-58-2 - Calbiochem SDB

      Titel

      Sicherheitsdatenblatt (SDB) 

      GLS1 Inhibitor III, CB-839 - CAS 1439399-58-2 - Calbiochem Analysenzertifikate

      TitelChargennummer
      533717

      Literatur

      Übersicht
      Gross, M.I., et al. 2014. Mol. Cancer Ther. 13, 890.
      Datenblatt

      Note that this data sheet is not lot-specific and is representative of the current specifications for this product. Please consult the vial label and the certificate of analysis for information on specific lots. Also note that shipping conditions may differ from storage conditions.

      Revision26-August-2024 JSW
      SynonymsN-(6-(4-(5-((2-Pyridin-2-ylacetyl)amino)-1,3,4-thiadiazol-2-yl)butyl)pyridazin-3-yl)-2-(3-(trifluoromethoxy)phenyl)acetamide, KGA Inhibitor III, 2-(Pyridin-2-yl)-N-(5-(4-(6-(2-(3-(trifluoromethoxy)phenyl)acetamido)pyridazin-3-yl)butyl)-1,3,4-thiadiazol-2-yl)acetamide, GAC Inhibitor III, Kidney-Type Glutaminase Inhibitor III
      DescriptionA cell-permeable thiadiazolyl-butyl-pyridazinyl compound that selectively inhibits GLS1 (IC50 = 23 nM & 28 nM, respectively, using murine kidney and brain homogenates), but not GLS2/LGA (up to 5 µM using murine liver homogenates), glutaminase activity in a non-competitive manner, being more potent than the uncompetitive GLS1 inhibitor BPTES, but with much slower inhibition kinetics (IC50/preincubation time ~300 nM/1 min & & 50 nM/1 h for CB-839; 630 nM/1 min & 700 nM/1 h for BPTES; 2 nM rhGAC aa 126-598) & reversibility (Activity recovery t1/2 after free drug removal = 45 min/CB-839 & <3 min/BPTES). CB-839 also displays higher antiproliferation potency than BPTES against triple negative breast cancer (TNBC) cultures (GI50 against MDA-MB-231 in 72 h = 19 nM vs. 2.4 µM with BPTES; GI50 against HCC1806 in 72 h = 55 nM vs. 2.0 µM with BPTES), while neither drug is effective against GLS1-independent growth of estrogen receptor-positive T47D even at 1 µM concentration. Despite a fast clearance in mice (Plasma t1/2 <2 h post 50 mg/kg p.o.), good drug exposure is reported in tumor and major organs (>1 nmol/g) 4 h post single 200 mg/10 mL/kg oral dosage among HCC1806 xenograft mice (Drug conc. = 2.1 µM in Plasma & 1.5 nmol/g in 500 mm3 tumor) except brain (~0.2 nmol/g) with most pronounced Glutamine buildup observed in tumor (5-fold) when compared to normal tissues (1- to 2.28-fold of of no treatment controls). Twice daily oral administration (200 mg/kg/12 h) is efficacious in suppressing the expansion of established tumor derived from HIMT-1 (by 54% in 35 d) and patient TNBC (by 59% in 28 d) and complete suppression of JIMT-1 tumor is seen when combined with 5 daily doses of Paclitaxel (10 mg/kg i.v.; Cat. Nos. 580555 & 580556) in the first 5 d of the treatment period.
      FormYellow to brown solid
      Intert gas (Yes/No) Packaged under inert gas
      CAS number1439399-58-2
      Chemical formulaC₂₆H₂₄F₃N₇O₃S
      Purity≥97% by HPLC
      SolubilityDMSO (25 mg/ml)
      Storage Protect from light
      +2°C to +8°C
      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.
      Toxicity Standard Handling
      ReferencesGross, M.I., et al. 2014. Mol. Cancer Ther. 13, 890.