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| ECHA InfoCard | 100.164.234 |
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| Formula | C9H13NO |
| Molar mass | 151.209 g·mol−1 |
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L-Norpseudoephedrine, or(−)-norpseudoephedrine, is apsychostimulantdrug of theamphetamine family. It is one of the fouroptical isomers ofphenylpropanolamine, the other three beingcathine ((+)-norpseudoephedrine),(−)-norephedrine, and(+)-norephedrine; as well as one of the twoenantiomers ofnorpseudoephedrine (the other being cathine).[1] Similarly to cathine,L-norpseudoephedrine acts as areleasing agent ofnorepinephrine (EC50 = 30 nM) and to a lesser extent ofdopamine (EC50 = 294 nM).[2] Due to the 10-fold difference in itspotency for inducing the release of the twoneurotransmitters however,L-norpseudoephedrine could be called a modestlyselective or preferential norepinephrine releasing agent, similarly to related compounds likeephedrine andpseudoephedrine.
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