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Key Documents

SML0376

Sigma-Aldrich

CGS 9895

≥98% (HPLC)

Synonym(s):

2,5-Dihydro-2-(4-methoxyphenyl)-3H-pyrazolo[4,3-c]quinolin-3-one, NSC 373970

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5 MG
$106.00

About This Item

Empirical Formula (Hill Notation):
C17H13N3O2
CAS Number:
Molecular Weight:
291.30
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77

$106.00


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Quality Level

assay

≥98% (HPLC)

form

powder

storage condition

desiccated

color

light yellow to light brown

solubility

DMSO: >2 mg/mL (warmed)

storage temp.

2-8°C

SMILES string

COc1ccc(cc1)N2N=C3C(=CNc4ccccc34)C2=O

InChI

1S/C17H13N3O2/c1-22-12-8-6-11(7-9-12)20-17(21)14-10-18-15-5-3-2-4-13(15)16(14)19-20/h2-10,18H,1H3

InChI key

KSKRJZMRHSNRBX-UHFFFAOYSA-N

Biochem/physiol Actions

CGS 9895 is a GABA antagonist that acts via the benzodiazepine binding site of ag containing GABA receptors. CGS 9895 is the only known compound that can specifically enhance GABA-induced currents in ab subunit containing receptors, and acts at the extracellular a1+b3- subunit interface.
CGS 9895 is a GABA antagonist; GABAA receptor selective enhancer.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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C Brown et al.
European journal of pharmacology, 103(1-2), 139-143 (1984-08-03)
The pyrazoloquinolinones CGS 9896, CGS 9895 and CGS 8216 potently displace the benzodiazepines from their CNS binding site in vitro but have been reported to display agonist, partial agonist and antagonist activity respectively in a number of in vivo tests
S J Cooper et al.
Psychopharmacology, 89(4), 462-466 (1986-01-01)
Non-deprived male rats were familiarized with a highly palatable diet until baseline consumption in a 30-min daily access period had stabilised. Stereospecificity of the hyperphagic effect of benzodiazepine receptor agonists was demonstrated using two enantiomers, the (S)-enantiomer being Ro11-3128 (methylclonazepam)
C L Brown et al.
European journal of pharmacology, 106(1), 167-173 (1984-10-30)
A series of pyrazoloquinolinones CGS 9896, CGS 9895 and CGS 8216 have been reported to exhibit agonist, partial agonist and antagonist properties, respectively, at the benzodiazepine receptor. We have examined the effects of these compounds and of diazepam on pentylenetetrazole
P Loo et al.
Neuropharmacology, 26(7A), 775-778 (1987-07-01)
Benzodiazepine receptor ligands are known to modulate the binding of [35S]TBPS to the chloride channel via an allosteric action. In the cases of diazepam, zopiclone and CGS 9895, the enhanced binding of [35S]TBPS induced by these benzodiazepine agonists was antagonized
H E Shannon et al.
Pharmacology, biochemistry, and behavior, 23(2), 317-323 (1985-08-01)
The effects of diazepam and the pyrazoloquinoline benzodiazepine receptor ligands CGS8216, CGS9896, and CGS9895 on schedule-controlled responding were studied in dogs. Responding was maintained under a multiple fixed-interval (FI) 5-min fixed-ratio (FR) 30 response schedule of food presentation. Diazepam (PO)

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