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Key Documents

E1896

Sigma-Aldrich

Etazolate hydrochloride

solid

Synonym(s):

1-Ethyl-4-[(1-methylethylidene)hydrazino]1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid ethyl ester hydrochloride, SQ 20009

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About This Item

Empirical Formula (Hill Notation):
C14H18N5O2 · HCl
CAS Number:
Molecular Weight:
324.79
MDL number:
UNSPSC Code:
41106305
PubChem Substance ID:

Assay

≥98% (TLC)

form

solid

color

white

mp

193-194  °C

solubility

H2O: >20 mg/mL (Solutions should be freshly prepared.)

storage temp.

room temp

SMILES string

Cl.CCOC(=O)c1cnc2n(CC)ncc2c1N\N=C(\C)C

InChI

1S/C14H19N5O2.ClH/c1-5-19-13-10(8-16-19)12(18-17-9(3)4)11(7-15-13)14(20)21-6-2;/h7-8H,5-6H2,1-4H3,(H,15,18);1H

InChI key

GQJUGJHJUZSJLZ-UHFFFAOYSA-N

Biochem/physiol Actions

Selective inhibitor of cAMP-specific phosphodiesterase.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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P L Wood et al.
The Journal of pharmacology and experimental therapeutics, 231(3), 572-576 (1984-12-01)
Using an extensively washed membrane preparation and standardized incubation conditions, the actions of benzodiazepine (BZ) receptor ligands were evaluated on [3H]flunitrazepam [+/- 10 microM gamma-aminobutyric acid (GABA)], [3H]muscimol (+/- 2.5 microM etazolate) and [35S]butyl bicyclophosphorothionate (TBPS) binding. Classical BZ receptor
Anxioselective anxiolytics.
M Williams
Journal of medicinal chemistry, 26(5), 619-628 (1983-05-01)
[Pharmacologic value of cyclic nucleotide phosphodiesterase inhibitors].
G Nemoz et al.
Annales pharmaceutiques francaises, 42(2), 99-112 (1984-01-01)
P L Wood et al.
Progress in neuro-psychopharmacology & biological psychiatry, 8(4-6), 785-788 (1984-01-01)
The efficacy of coupling between the benzodiazepine receptor and chloride channel as well as the coupling to the GABA receptor is differentially affected by different benzodiazepine ligands. In general, the order of efficacy with regard to allosteric effects of benzodiazepine
B Vellas et al.
Current Alzheimer research, 8(2), 203-212 (2011-01-13)
EHT0202 (etazolate hydrochloride) is a new compound exhibiting both potential disease-modifying and symptomatic treatment properties in Alzheimer's Disease increasing alpha-secretase activity and sAPP alpha secretion, as well as acting as a GABA-A receptor modulator and as a PDE-4 inhibitor. This

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