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1 day ago · Dextromethorphan is the dextrorotatory enantiomer of levomethorphan, which is the methyl ether of levorphanol, both opioid analgesics. It is named according to IUPAC rules as (+)-3-methoxy-17-methyl-9α,13α,14α- morphinan. As its pure form, dextromethorphan occurs as an odorless, opalescent white powder.
1 day ago · Chemistry. Nicotine is a hygroscopic, colorless to yellow-brown, oily liquid, that is readily soluble in alcohol, ether or light petroleum. It is miscible with water in its neutral amine base form between 60 °C and 210 °C. It is a dibasic nitrogenous base, having K b1 =1×10 −6, K b2 =1×10 −11. [160]
1 day ago · In “Parthenope” (Paolo’s Version), the mythic beauty is born to a wealthy family who own a stunning villa at the water’s edge, and — in a lighter and more effervescent twist on ...
