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3-Ethyl-4,5-dihydro-1H-pyrazole is an organic compound with the chemical formula C5H10N2. It is a colorless liquid with a molecular weight of 98.15 g/mol. This heterocyclic compound features a pyrazole ring, which consists of a five-membered ring with two nitrogen atoms and three carbon atoms, and an additional carbon atom attached to the third nitrogen atom, forming a dihydro structure. The ethyl group is attached to the third carbon atom of the pyrazole ring. 3-Ethyl-4,5-dihydro-1H-pyrazole is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals, particularly in the production of herbicides and insecticides. It is also known for its potential applications in the development of new materials and as a building block in organic synthesis.

5920-29-6

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5920-29-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5920-29-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,2 and 0 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 5920-29:
(6*5)+(5*9)+(4*2)+(3*0)+(2*2)+(1*9)=96
96 % 10 = 6
So 5920-29-6 is a valid CAS Registry Number.

5920-29-6SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 14, 2017

Revision Date: Aug 14, 2017

1.Identification

1.1 GHS Product identifier

Product name 3-ethyl-4,5-dihydro-1H-pyrazole

1.2 Other means of identification

Product number -
Other names 1H-Pyrazole,3-ethyl-4,5-dihydro

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:5920-29-6 SDS

5920-29-6Relevant academic research and scientific papers

SULFONYLPYRAZOLE AND SULFONYLPYRAZOLINE CARBOXAMIDINE DERIVATIVES AS 5-HT6 ANTAGONISTS

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Page/Page column 19, (2008/06/13)

This invention concerns sulfonylpyrazoline carboxamidine derivatives as antagonists of 5-HT6 receptors, to methods for the preparation of these compounds and to novel intermediates useful for their synthesis. The invention also relates to the uses of such compounds and compositions, particularly their use in administering them to patients to achieve a therapeutic effect in Parkinson's disease, Huntington's chorea, schizophrenia, anxiety, depression, manic depression, psychoses, epilepsy, obsessive compulsive disorders, mood disorders, migraine, Alzheimer's disease, age related cognitive decline, mild cognitive impairment, sleep disorders, eating disorders, anorexia, bulimia, binge eating disorders, panic attacks, akathisia, attention deficit hyperactivity disorder, attention deficit disorder, withdrawal from abuse of cocaine, ethanol, nicotine or benzodiazepines, pain, disorders associated with spinal trauma or head injury, hydrocephalus, functional bowel disorder, Irritable Bowel Syndrome, obesity and type-2 diabetes. The compounds have the general formula (1), wherein the symbols have the meanings given in the description.

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