CGP 39551

Modify Date: 2025-08-25 09:10:32

CGP 39551 Structure
CGP 39551 structure
Common Name CGP 39551
CAS Number 127910-32-1 Molecular Weight 237.19
Density 1.312 g/cm3 Boiling Point 434.1ºC at 760 mmHg
Molecular Formula C8H16NO5P Melting Point 236-239ºC
MSDS USA Flash Point 216.3ºC
Symbol GHS06
GHS06
Signal Word Danger

 Use of CGP 39551


CGP 39551 is a potent, orally active, competitive N-methyl-D-aspartate (NMDA) receptor antagonist with potent anticonvulsant activity[1]. CGP 39551 shows measurable inhibitory activity at both L-[3H]-glutamate (Ki=8.4 μM)[2].

 Names

Name [(E)-4-amino-5-ethoxy-2-methyl-5-oxopent-2-enyl]phosphonic acid
Synonym More Synonyms

 CGP 39551 Biological Activity

Description CGP 39551 is a potent, orally active, competitive N-methyl-D-aspartate (NMDA) receptor antagonist with potent anticonvulsant activity[1]. CGP 39551 shows measurable inhibitory activity at both L-[3H]-glutamate (Ki=8.4 μM)[2].
Related Catalog
In Vitro CGP 39551 inhibits the binding of the selective NMDA receptor antagonist, [3H]-CPP to rat brain postsynaptic densities (PSDs) with a Ki of 310 nM[2].
In Vivo CGP 39551 exhibits maximal electroshock-induced seizures in mice with the ED50 of 4 mg/kg (p.o.)[2]. Following chronic neonatal treatment with CGP 39551, adult rats show increased behavioral responses to the D2 dopamine receptor stimulation[3].
References

[1]. G E Fagg,et al. CGP 37849 and CGP 39551: novel competitive N-methyl-D-aspartate receptor antagonists with potent oral anticonvulsant activity. Prog Clin Biol Res. 1990;361:421-7.

[2]. G E Fagg, et al. CGP 37849 and CGP 39551: novel and potent competitive N-methyl-D-aspartate receptor antagonists with oral activity. Br J Pharmacol. 1990 Apr;99(4):791-7.

[3]. R Dall'Olio, et al. Chronic neonatal blockade of N-methyl-D-aspartate receptor by CGP 39551 increases dopaminergic function in adult rat. Neuroscience. 1994 Nov;63(2):451-5.

 Chemical & Physical Properties

Density 1.312 g/cm3
Boiling Point 434.1ºC at 760 mmHg
Melting Point 236-239ºC
Molecular Formula C8H16NO5P
Molecular Weight 237.19
Flash Point 216.3ºC
Exact Mass 237.07700
PSA 119.66000
LogP 0.70110
Vapour Pressure 9.46E-09mmHg at 25°C
Index of Refraction 1.512

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301
Precautionary Statements P301 + P310
RIDADR UN 2811 6.1 / PGIII

 Articles25

More Articles
Competitive NMDA receptor antagonists and agonists: effects on spontaneous alternation in mice exposed to cerebral oligemia.

Pol. J. Pharmacol. 56(1) , 59-66, (2004)

The purpose of the present study was to investigate the effects of competitive NMDA receptor antagonists,D,L-(E)-2-amino-4-methyl-5-phosphono-3-pentenoic acid (CGP 37849) and its ethyl ester (CGP 3955...

NMDA receptor antagonists acting at the glycineB site in rat models for antipsychotic-like activity.

J. Neural Transm. Gen. Sect. 106(11-12) , 1189-204, (1999)

Several partial agonist and full antagonists acting at the glycine site of the NMDA receptors were tested for potential antipsychotic-like properties in rats. As models, amphetamine- and phencyclidine...

Effects of competitive NMDA receptor antagonists on excitatory amino acid-evoked currents in mouse spinal cord neurones.

Fundam. Clin. Pharmacol. 13(1) , 67-74, (1999)

The effects of CGP 37849 [DL-(E)-2-amino-4-methyl-5-phosphono-3-pentenoate] and its ethylester CGP 39551 on whole-cell currents evoked by the endogenous excitatory amino acids, L-glutamate and L-aspar...

 Synonyms

2-Amino-4-methyl-5-phosphono-3 pentenoic acid carboxyethyl ester
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