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Cat. No. M5135
Ro-46-2005 Structure
Size Price Availability Quantity
10mM*1mL In DMSO USD 420 In stock
5mg USD 380 In stock
10mg USD 550 In stock
50mg USD 1680 In stock
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Quality Control
  • Current batch:
  • Purity >98%
  • COA
  • MSDS
Biological Activity

Ro 46-2005 proves to be equipotent (IC50 200-500 nM) for inhibition of [125I]ET-1 binding on the two known ET receptor subtypes (ETA and ETB). Ro 46-2005 also inhibits the functional consequences of ET-1 stimulation: the ET-l-induced release of arachidonic acid from rat mesangial cells was inhibited with an IC50 of 1.8 μM.

Conversion of different model animals based on BSA (Value based on data from FDA Draft Guidelines)
Species Mouse Rat Rabbit Guinea pig Hamster Dog
Weight (kg) 0.02 0.15 1.8 0.4 0.08 10
Body Surface Area (m2) 0.007 0.025 0.15 0.05 0.02 0.5
Km factor 3 6 12 8 5 20
Animal A (mg/kg) = Animal B (mg/kg) multiplied by  Animal B Km
Animal A Km

For example, to modify the dose of resveratrol used for a mouse (22.4 mg/kg) to a dose based on the BSA for a rat, multiply 22.4 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for resveratrol of 11.2 mg/kg.

Chemical Information
Molecular Weight 473.54
Formula C23H27N3O6S
CAS Number 150725-87-4
Purity >98%
Solubility DMSO 28mg/mL
Storage at -20°C

In vitro characterization of Ro 46-2005, a novel synthetic non-peptide endothelin antagonist of ETA and ETB receptors.
Breu V, FEBS Lett. 1993 Nov 15;210-4. PMID: 8224248.


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Keywords: Ro-46-2005 supplier, Endothelin Receptor, inhibitors

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