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Sigmodal: Wikis


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Systematic (IUPAC) name
5-(2-bromoprop-2-en-1-yl)-5-(1-methylbutyl)pyrimidine-2,4,6(1 H,3H,5H)-trione
CAS number 1216-40-6
ATC code  ?
PubChem 14630
Chemical data
Formula C 12H17BrN2O3  
Mol. mass 317.179 g/mol
Pharmacokinetic data
Bioavailability  ?
Metabolism  ?
Half life  ?
Excretion  ?
Therapeutic considerations
Pregnancy cat.  ?
Legal status
Routes  ?

Sigmodal (Rectidon) is a barbiturate derivative. It has sedative, hypnotic and anticonvulsant properties, and was used in surgical anaesthesia in the 1950s, plus the frequent appearances in drug mixtures in the 60's[1][2] although it was never widely used compared to better known barbiturates such as thiopental, and has now been replaced by newer drugs with a better safety profile.


  1. ^ Meder F. Our experiences with rectidon basal anesthesia. Zentralblatt fur Gynakologie. (German) 1952;74(48):1895-6.
  2. ^ Frommolt G. On rectidon basis narcosis. Die Medizinische. (German) 1952 Nov 22;20(47):1503-4.


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