1. GPCR/G Protein
  2. Prostaglandin Receptor

PF-04418948 

Cat. No.: HY-18966 Purity: 99.60%
Data Sheet SDS Handling Instructions

PF-04418948 is a novel, potent and selective prostaglandin EP2 receptor antagonist with IC50 of 16 nM, displays >2000-fold functional selectivity for the human EP2 receptor over antagonist activity against the human EP1, EP3, EP4, DP1 and CRTH2 receptors.

For research use only. We do not sell to patients.
PF-04418948 Chemical Structure

PF-04418948 Chemical Structure

CAS No. : 1078166-57-0

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Free Sample (0.5-1 mg)   Apply now  
10 mM * 1 mL in DMSO $77 In-stock
5 mg $70 In-stock
10 mg $110 In-stock
50 mg $440 In-stock
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200 mg   Get quote  

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  • Biological Activity

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  • Technical Information

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Description

PF-04418948 is a novel, potent and selective prostaglandin EP2 receptor antagonist with IC50 of 16 nM, displays >2000-fold functional selectivity for the human EP2 receptor over antagonist activity against the human EP1, EP3, EP4, DP1 and CRTH2 receptors. IC50 value: 16 nM Target: EP2 in vitro: PF-04418948 inhibits prostaglandin E2 (PGE2)-induced increase in cAMP in cells expressing EP2 receptors with a functional KB value of 1.8 nM. In human myometrium, PF-04418948 produced a parallel, rightward shift of the butaprost-induced inhibition of the contractions induced by electrical field stimulation with an apparent KB of 5.4 nM. [1] in vivo: In dog bronchiole and mouse trachea, PF-04418948 produced parallel rightward shifts of the PGE2-induced relaxation curve with a KB of 2.5 nM and an apparent KB of 1.3 nM respectively. Reversal of the PGE2-induced relaxation in the mouse trachea by PF-04418948 produced an IC50 value of 2.7 nM. Given orally, PF-04418948 attenuated the butaprost-induced cutaneous blood flow response in rats. [1] PF-04418948 competitively inhibits relaxations of murine and guinea pig trachea induced by ONO-AE1-259 and PGE2 respectively.[2]

Clinical Trial
NCT Number Sponsor Condition Start Date Phase
NCT01002963 Pfizer Healthy September 2009 Phase 1
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References
Molecular Weight

409.41

Formula

C₂₃H₂₀FNO₅

CAS No.

1078166-57-0

Storage
Powder -20°C 3 years
  4°C 2 years
In solvent -80°C 6 months
  -20°C 1 month
Shipping

Room temperature in continental US; may vary elsewhere

Solvent & Solubility

10 mM in DMSO

* "<1 mg/mL" means slightly soluble or insoluble. "≥" means soluble, but saturation unknown.

Purity: 99.60%

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PF-04418948
Cat. No.:
HY-18966
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