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Systematic (IUPAC) name
Clinical data
Legal status
CAS number 1445751-38-1 N
ATC code ?
ChemSpider 32078885
Chemical data
Formula C21H31NO2 
Mol. mass 329.48 g/mol
 N (what is this?)

4-HTMPIPO is a synthetic cannabinoid drug first identified in smoking products purchased from online vendors in 2012.[1] 4-HTMPIPO is the product resulting from the electrophilic addition of water to the cyclopropane moiety of synthetic cannabinoid UR-144.[1] Nothing is known about the in vitro or in vivo pharmacology of 4-HTMPIPO.

See also[edit]


  1. ^ a b Kavanagh, P.; Grigoryev, A.; Savchuk, S.; Mikhura, I.; Formanovsky, A. (2013). "UR-144 in products soldviathe Internet: Identification of related compounds and characterization of pyrolysis products". Drug Testing and Analysis: n/a. doi:10.1002/dta.1456.  edit