AM281

Modify Date: 2024-01-11 19:37:18

AM281 Structure
AM281 structure
Common Name AM281
CAS Number 202463-68-1 Molecular Weight 557.212
Density 1.7±0.1 g/cm3 Boiling Point N/A
Molecular Formula C21H19Cl2IN4O2 Melting Point N/A
MSDS Chinese USA Flash Point N/A
Symbol GHS06
GHS06
Signal Word Danger

 Use of AM281


AM281 is a selective CB1 receptor antagonist with an IC50 of 9.91 nM. AM281 inhibits CB2 receptor with an IC50 of 13000 nM[1].

 Names

Name 1-(2,4-dichlorophenyl)-5-(4-iodophenyl)-4-methyl-N-morpholin-4-ylpyrazole-3-carboxamide
Synonym More Synonyms

 AM281 Biological Activity

Description AM281 is a selective CB1 receptor antagonist with an IC50 of 9.91 nM. AM281 inhibits CB2 receptor with an IC50 of 13000 nM[1].
Related Catalog
Target

CB1:9.91 nM (IC50)

CB2:13000 nM (IC50)

In Vitro AM281 (0.01-10 μM) promotes a concentration dependent increase in 10 μM Aβ 25-35 induced neurotoxicity in SH-SY5Y cells in the presence of 10 μM KSO 1-6[2].
In Vivo Acute administration (2.5, 5 and 10 mg/kg) of AM281 shortens exploration time and improves memory performance, as does chronic administration (0.62, 1.25 and 2.5 mg/kg) of AM281[3]. Chronic administration of AM281 at 2.5 mg/kg improves recognition index to the 22.1±4.8 and single dose of AM281 at 5 mg/kg improves the memory impairment to the 8.5±4, as compared with vehicle-treated which is 4.8±2.5. Administration of AM281 at a dose of 2.5 mg/kg in chronic form and 5 mg/kg in acute dose improve memory[3]. Animal Model: Male NMRI mice with the weight of 25-30 g[3] Dosage: 0.62, 1.25 and 2.5 mg/kg (chronic administration); 2.5, 5 and 10 mg/kg (acute administration) Administration: Administrated i.p. every day concurrently with morphine except the day of experiment (chronic administration); Singly injected 40 min before second trial (acute administration) Result: The simultaneous daily administration of AM281 with morphine significantly shortened the exploration time, as compared with morphine-dependent mice receiving vehicle. Acute administration at a dose of 5 mg/kg, significantly augmented recognition index.
References

[1]. K S S Dossou, et al. Development and preliminary validation of a plate-based CB1/CB2 receptor functional assay. Anal Biochem. 2013 Jun 15;437(2):138-43.

[2]. Milton, NG, et al. Effects of the CB1 cannabinoid receptor antagonist AM281 on kissorphin protection against amyloid-β neurotoxicity.

[3]. G Vaseghi, et al. The effect of AM281, a cannabinoid antagonist, on memory performance during spontaneous morphine withdrawal in mice. Res Pharm Sci. 2013 Jan;8(1):59-64.

 Chemical & Physical Properties

Density 1.7±0.1 g/cm3
Molecular Formula C21H19Cl2IN4O2
Molecular Weight 557.212
Exact Mass 555.992981
PSA 59.39000
LogP 4.90
Index of Refraction 1.706
Storage condition 2-8C

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H300-H315-H319-H335
Precautionary Statements P261-P264-P301 + P310-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes T: Toxic;
Risk Phrases R25
Safety Phrases 26-36/37/39-45
RIDADR UN 2811 6

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 Synonyms

AM 281
1H-Pyrazole-3-carboxamide, 1-(2,4-dichlorophenyl)-5-(4-iodophenyl)-4-methyl-N-4-morpholinyl-
Tocris-1115
S1595_Selleck
1-(2,4-Dichlorophenyl)-5-(4-iodophenyl)-4-methyl-N-(morpholin-4-yl)-1H-pyrazole-3-carboxamide
MFCD01861180
1-(2,4-Dichlorophenyl)-5-(4-iodophenyl)-4-methyl-N-(4-morpholinyl)-1H-pyrazole-3-carboxamide
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