Formulation: A crystalline solid
Formal Name: (αE,2S,3R,12bS)-3-ethenyl-1,2,3,4,6,7,12,12b-octahydro-8-methoxy-α-(methoxymethylene)-indolo[2,3-a]quinolizine-2-acetic acid, methyl ester
Purity: ≥98%
Formula Markup: C23H28N2O4
Formula Weight: 396,5
Shelf life (days): 730
CAS Number: 4697-66-9
Notes: Paynantheine (Item No. 21841) is an analytical reference standard that is structurally similar to known opioids. Paynantheine is an alkaloid found in M. speciosa (Kratom in Thai).{20201} It has antinociceptive activity and reduces alcohol intake in rats.{51355,51354} This product is intended for research and forensic applications.