1STATUS DECISION OF CONTROLLED
AND NON-CONTROLLED SUBSTANCE(S)
Substance: 11Tricaine methanesulfonate
Based on the current information available to the Office of Controlled Substances, it appears that the above substance is:
Not Controlled X
under the schedules of the Controlled Drugs and Substances Act (CDSA) for the following reason(s):
1The substance is not structurally similar to any of those included in the schedules to the CDSA.
Prepared by: _______________________________________ Date: _______________
Verified by: _______________________________________ Date: ________________
Approved by: _______________________________________ Date: ________________
DIRECTOR, OFFICE OF CONTROLLED SUBSTANCES
This status was requested by: “third party information removed as per agreement with applicant”
Drug Status Report
1 Tricaine methanesulfonate
1Drug Name Status
: 1 Tricaine methanesulfonate is the common name.
: Ethyl 3-aminobenzoate methanesulfonate
MS-22; Metacaine; TS 222; Tricaine-S; TMS; Tricaine mesylate; Ethyl-m-amino-benzoate
; m-Aminobenzoic acid ethyl ester methanesulfonate.
Pharmacological class / Application: Anaesthetic
US: 1 Tricaine methanesulfonate is not listed specifically in the Schedules to the US Controlled Substances Act and is not mentioned anywhere on the DEA website.
United Nations: The substance is not listed on the Yellow List - List of Narcotic Drugs under International Control
, the Green List - List of Psychotropic Substances under International Control, nor the Red List - List of Precursors and Chemicals Frequently Used in the Illicit Manufacture of Narcotic Drugs and Psychotropic Substances under International Control.
Canadian Status: 11 Tricaine methanesulfonate is not listed in the Schedules to the CDSA. 1The substance is a benzocaine derivative1 and a widely used anaesthetic agent for poikilotherms such as fish2. Tricaine methansulfonate is not structurally similar to any of the substances listed in the Schedules to the CDSA.
1 Tricaine methanesulfonate is not included in the schedules to the CDSA and is not a controlled substance.