Ethylhydrocupreine hydrochloride (Optochin hydrochloride) 是一种具有抗菌作用的奎宁衍生物，具有抗肺炎链球菌 (S. pneumoniae) 的活性。Ethylhydrocupreine hydrochloride 还具有抗 Plasmodium falciparum 的抗疟活性，IC₅₀ 为 25.75 nM。Ethylhydrocupreine hydrochloride 是一种 Gallus gallus 2 受体 (ggTas2r1，ggTas2r2 和 ggTas2r7) 激动剂。

Ethylhydrocupreine hydrochloride (Optochin hydrochloride) is a quinine derivate with antimicrobial activity against S. pneumoniae. Ethylhydrocupreine hydrochloride also possesses antimalarial activity against Plasmodium falciparum, with an IC 50 of 25.75 nM. Ethylhydrocupreine hydrochloride is a Gallus gallus taste 2 receptors (ggTas2r1, ggTas2r2 and ggTas2r7) agonist.

Solid

S. pneumoniae
IC50: 25.75 nM (Plasmodium falciparum)
ggTas2r1, ggTas2r2 and ggTas2r7

The mutation rate to Ethylhydrocupreine (Optochin) resistance is estimated using fluctuation analysis in three capsulated S. pneumoniae strains ( S. pneumoniae D39 NCTC 7466, S. pneumoniae R6 ATCC BAA-255 and S. pneumoniae ATCC 49619). The exposure to subinhibitory concentrations of penicillin increased the mutation rate (expressed as mutation per cell division) to Ethylhydrocupreine (Optochin) resistance between 2.1- and 3.1-fold for all three strains studied. has not independently confirmed the accuracy of these methods. They are for reference only.

The injection of 1 cc. of a 24 hour dextrose blood broth culture of virulent Type I pneumococci into the right pleural cavity of guinea pigs produces acute suppurative pleuritis on both sides associated with suppurative pericarditis. The injection of 1 cc. of 1:500 solutions of Ethylhydrocupreine hydrochloride into each pleural cavity of guinea pigs at varying intervals up to 24 hours after pleural infection has usually shown a marked curative influence. Similar results are observed with dogs. has not independently confirmed the accuracy of these methods. They are for reference only.

Room temperature in continental US; may vary elsewhere.

4°C, sealed storage, away from moisture and light In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)

[1]. J A Kolmer, et al. CHEMOTHERAPEUTIC STUDIES WITH ETHYLHYDROCUPREINE HYDROCHLORIDE IN EXPERIMENTAL PNEUMOCOCCUS PLEURITIS. J Exp Med. 1921 May 31;33(6):693-711.
[2]. Paulo R Cortes, et al. Subinhibitory Concentrations of Penicillin Increase the Mutation Rate to Optochin Resistance in Streptococcus Pneumoniae. J Antimicrob Chemother. 2008 Nov;62(5):973-7.

In Vitro: DMSO : 125 mg/mL (331.64 mM; Need ultrasonic)H₂O : 50 mg/mL (132.65 mM; Need ultrasonic)配制储备液