MN 18 is an
indazole
Indazole, also called isoindazole, is a heterocyclic aromatic organic compound. This bicyclic compound consists of the fusion of benzene and pyrazole.
Indazole is an amphoteric molecule which can be protonated to an indazolium cation or deproton ...
-based
synthetic cannabinoid
Synthetic cannabinoids are a class of designer drug molecules that bind to the same receptors to which cannabinoids (THC, CBD and many others) in cannabis plants attach. These novel psychoactive substances should not be confused with synthetic ...
that is an
agonist
An agonist is a chemical that activates a receptor to produce a biological response. Receptors are cellular proteins whose activation causes the cell to modify what it is currently doing. In contrast, an antagonist blocks the action of the ago ...
for the
cannabinoid receptor
Cannabinoid receptors, located throughout the body, are part of the endocannabinoid system a class of cell membrane receptors in the G protein-coupled receptor superfamily. As is typical of G protein-coupled receptors, the cannabinoid recepto ...
s, with
''K''i values of 45.72 nM at
CB1 and 11.098 nM at
CB2 and
EC50 values of 2.028 nM at CB
1 and 1.233 nM at CB
2, and has been sold online as a
designer drug
A designer drug is a structural or functional analog of a controlled substance that has been designed to mimic the pharmacological effects of the original drug, while avoiding classification as illegal and/or detection in standard drug tests. Des ...
.
It is the indazole core analogue of
NNE1
NNE1 (also known as NNEI, MN-24 and AM-6527) is an indole-based synthetic cannabinoid, representing a molecular hybrid of APICA and JWH-018 that is an agonist for the cannabinoid receptors, with ''K''i values of 60.09 nM at CB1 and 45 ...
. Given the known metabolic liberation (and presence as an impurity) of
amantadine
Amantadine, sold under the brand name Gocovri among others, is a medication used to treat dyskinesia associated with parkinsonism and influenza caused by type A influenzavirus, though its use for the latter is no longer recommended due to wid ...
in the related compound
APINACA
APINACA (AKB48, ''N''-(1-adamantyl)-1-pentyl-1''H''-indazole-3-carboxamide) is a drug that acts as a reasonably potent agonist for the cannabinoid receptors, with a Ki of 304.5nM and an EC50 of 585nM at CB1. It had never previously been report ...
, it is suspected that metabolic hydrolysis of the amide group of MN-18 may release
1-naphthylamine
1-Naphthylamine is an aromatic amine derived from naphthalene. It can cause bladder cancer (transitional cell carcinoma). It crystallizes in colorless needles which melt at 50 °C. It possesses a disagreeable odor, sublimes readily, and turn ...
, a known
carcinogen
A carcinogen is any substance, radionuclide, or radiation that promotes carcinogenesis (the formation of cancer). This may be due to the ability to damage the genome or to the disruption of cellular metabolic processes. Several radioactive substan ...
. MN-18 metabolism has been described in literature.
Legal status
MN-18 is banned in Sweden.
On 15 September 2014 the Turkey government banned the sale of MN-18.
See also
*
5F-NNE1
*
5F-PB-22
*
AM-2201
AM-2201 (1-(5-fluoropentyl)-3-(1-naphthoyl)indole) is a recreational designer drug that acts as a potent but nonselective full agonist for the cannabinoid receptor. It is part of the AM series of cannabinoids discovered by Alexandros Makriyanni ...
*
BB-22
*
FUB-JWH-018
*
AB-FUBINACA
AB-FUBINACA is a drug that acts as a potent agonist for the cannabinoid receptors, with ''K''i values of 0.9 nM at CB1 and 23.2 nM at CB2 and EC50 values of 1.8 nM at CB1 and 3.2 nM at CB2. It was originally developed by P ...
*
ADB-FUBINACA
ADB-FUBINACA is a designer drug identified in synthetic cannabis blends in Japan in 2013. In 2018, it was the third-most common synthetic cannabinoid identified in drugs seized by the Drug Enforcement Administration.
The (''S'')-enantiomer of A ...
*
AMB-FUBINACA
AMB-FUBINACA (also known as FUB-AMB and MMB-FUBINACA) is an indazole-based synthetic cannabinoid that is a potent agonist for the cannabinoid receptors, with ''K''i values of 10.04 nM at CB1 and 0.786 nM at CB2 and EC50 values of 0. ...
*
FDU-PB-22
FDU-PB-22 is a derivative of JWH-018 that is presumed to be a potent agonist of the CB1 receptor, and has been sold online as a designer drug.
Pharmacology
FDU-PB-22 acts as a full agonist with a binding affinity of 1.19nM at CB1 and 2.43nM at ...
*
FUB-144
FUB-144 (also known as FUB-UR-144) is an indole-based synthetic cannabinoid that is presumed to be a potent agonist of the CB1 receptor and has been sold online as a designer drug. It is an analogue of UR-144 and XLR-11 where the pentyl chain ...
*
FUB-APINACA
FUB-APINACA (also known as AFUBINACA and FUB-AKB48) is an indazole-based synthetic cannabinoid that is presumed to be a potent agonist of the CB1 receptor and has been sold online as a designer drug. It is an analog of APINACA and 5F-APINACA whe ...
*
FUB-PB-22
FUB-PB-22 (QUFUBIC) is an indole-based synthetic cannabinoid that is a potent agonist of the CB1 receptor and has been sold online as a designer drug.
Pharmacology
FUB-PB-22 acts as a full agonist with a binding affinity of 0.386nM at CB1 and ...
*
MDMB-FUBICA
MDMB-FUBICA is an indole-based synthetic cannabinoid that is presumed to be a potent agonist of the CB1 receptor and has been sold online as a designer drug.
It was first detected by the EMCDDA in Sweden in February 2015. It is often sold in e- ...
*
MDMB-FUBINACA
MDMB-FUBINACA (also known as MDMB(N)-Bz-F and FUB-MDMB) is an indazole-based synthetic cannabinoid that is a potent agonist for the cannabinoid receptors, with ''K''i values of 1.14 nM at CB1 and 0.1228 nM at CB2 and EC50 values ...
*
PB-22
PB-22 (QUPIC, SGT-21 or 1-pentyl-1''H''-indole-3-carboxylic acid 8-quinolinyl ester) is a designer drug offered by online vendors as a cannabimimetic agent, and detected being sold in synthetic cannabis products in Japan in 2013. PB-22 represent ...
References
Cannabinoids
Designer drugs
Indazolecarboxamides
Naphthoylindazoles
{{cannabinoid-stub