CAS Number 495-70-5
PubChem (CID) 4065
ChemSpider 3925
Chemical and physical data
Formula C14H21NO2
Molar mass 235.33 g·mol−1
3D model (Jmol) Interactive image

Meprylcaine (also known as Epirocaine and Oracaine) is a local anesthetic with stimulant properties that is structurally related to dimethocaine.[1]

Meprylcaine has a relatively potent inhibitory action on the monoamine transporter and inhibits the reuptake of dopamine, norepinephrine and serotonin.[2][3]


  1. T. Sato; S. Kitayama; C. Mitsuhata; T. Ikeda; K. Morita; T. Dohi (February 2000). "Selective inhibition of monoamine neurotransmitter transporters by synthetic local anesthetics". Naunyn-Schmiedeberg's Archives of Pharmacology. 361 (2): 214–220. doi:10.1007/s002109900184. PMID 10685879.
  2. Shigeaki Arai; Katsuya Morita; Shigeo Kitayama; Kei Kumagai; Michio Kumagai; Kenji Kihira; Toshihiro Dohi (February 2003). "Chronic inhibition of the norepinephrine transporter in the brain participates in seizure sensitization to cocaine and local anesthetics". Brain Research. 964 (1): 83–90. doi:10.1016/S0006-8993(02)04068-4. PMID 12573515.
  3. Katsuya Morita; Masahiro Hamamoto; Shigeaki Arai; Shigeo Kitayama; Masahiro Irifune; Michio Kawahara; Kenji Kihira; Toshihiro Dohi (September 2005). "Inhibition of serotonin transporters by cocaine and meprylcaine through 5-HT2C receptor stimulation facilitates their seizure activities". Brain Research. 1057 (1–2): 153–160. doi:10.1016/j.brainres.2005.07.049. PMID 16125150.

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