Efaproxiral


CAS No. : 131179-95-8

(Synonyms: RSR13)

131179-95-8
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Cat. No. : HY-13619
M.Wt: 341.40
Formula: C20H23NO4
Purity: >98 %
Solubility: DMSO : ≥ 150 mg/mL
Introduction of 131179-95-8 :

Efaproxiral is a haemoglobin (Hb) synthetic allosteric modifier, decreases Hb-oxygen (O2) binding affinity and enhances oxygenation of hypoxic tumours during radiation therapy [1]. IC50 & Target: haemoglobin (Hb)[1] In Vitro: Efaproxiral binds to only one pair of symmetry-related sites in the Hb central water cavity[2].
Efaproxiral readily crosses the red cell membrane in the presence of serum albumin solutions[2].
Efaproxiral is not inhibited from entering erythrocytes in the presence of an anion-channel blocking agent (DIDS)[2].
In Vivo: Efaproxiral (150 mg/kg, i.p.) increase tumor oxygenation,and increase the tumor growth inhibition of radiotherapy over 5 days of treatment[3].
Efaproxiral reduces hemoglobin-oxygen binding affinity, which facilitates oxygen release from hemoglobin into surrounding tissues and potentially increases the pO(2) of the tumors[4]

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