Norpseudoephedrine Stats & Data
PubChem
MW151.21
FormulaC9H13NO
LogP0.8
IUPAC(1S,2S)-2-amino-1-phenylpropan-1-ol
SMILES
CC(C(C1=CC=CC=C1)O)NInChIKey
DLNKOYKMWOXYQA-IONNQARKSA-N
Psychoactive Class
Stimulant
Pharmacology
DrugBank
Half-life 5.2 hours
Effect Profile
Curated
Stimulant
6.5
Strong euphoria and anxiety/jitters with moderate focus and stimulation
Stimulation / Energy×3
6
Euphoria / Mood Lift×2
10
Focus / Productivity×2
7
Anxiety / Jitters×1
10
Based on reports from:
Tolerance & Pharmacokinetics
drugs.wikiTolerance Decay
Full tolerance
1d
Half tolerance
10d
Baseline
~18d
Acute tolerance: develops within a single session — the reset numbers above apply after sustained heavy use, not after one binge. Within-session tachyphylaxis usually resets largely overnight.