Optochin

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Optochin
IUPAC name (6-ethoxy-4-quinolyl)- 5-ethyl-2-quinuclidinyl)methanol
Identifiers
CAS number
PubChem 71542
MeSH Optochin
Properties
Molecular formula C21H28N2O2
Molar mass 340.459
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Optochin (or ethylhydrocupreine) is a chemical used for the presumptive identification of Streptococcus pneumoniae, which is optochin-sensitive, from other α-haemolytic streptococci (such as Streptococcus viridans) which are resistant.

Bacteria that are optochin sensitive will be inhibited to grow around optonin disc, while bacteria that are optochin resistant will be unaffected.