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224789-26-8

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  • 4-Ethoxy-3-(5-methyl-4-oxo-7-propyl-3,4-dihydro-imidazo[5,1-f][1,2,4]-triazin-2-yl)benzene-sulfonyl Chloride

    Cas No: 224789-26-8

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224789-26-8 Usage

Chemical Properties

White Solid

Uses

Vardenafil Intermediate.

Check Digit Verification of cas no

The CAS Registry Mumber 224789-26-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,4,7,8 and 9 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 224789-26:
(8*2)+(7*2)+(6*4)+(5*7)+(4*8)+(3*9)+(2*2)+(1*6)=158
158 % 10 = 8
So 224789-26-8 is a valid CAS Registry Number.

224789-26-8SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 4-ethoxy-3-(5-methyl-4-oxo-7-propyl-1H-imidazo[5,1-f][1,2,4]triazin-2-yl)benzenesulfonyl chloride

1.2 Other means of identification

Product number -
Other names 5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

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:224789-26-8 SDS

224789-26-8Relevant articles and documents

Vardenafil hydrochloride related substance, preparation method and applications thereof

-

, (2020/03/06)

The invention provides a vardenafil hydrochloride related substance, a preparation method and applications thereof, wherein the vardenafil hydrochloride related substance has a structural formula represented by a formula I. According to the invention, the

Discovery of in Vivo Chemical Probes for Treating Alzheimer's Disease: Dual Phosphodiesterase 5 (PDE5) and Class i Histone Deacetylase Selective Inhibitors

Rabal, Obdulia,Sánchez-Arias, Juan A.,Cuadrado-Tejedor, Mar,De Miguel, Irene,Pérez-González, Marta,García-Barroso, Carolina,Ugarte, Ana,Estella-Hermoso De Mendoza, Ander,Sáez, Elena,Espelosin, Maria,Ursua, Susana,Haizhong, Tan,Wei, Wu,Musheng, Xu,Garcia-Osta, Ana,Oyarzabal, Julen

, p. 1765 - 1782 (2019/01/08)

In order to determine the contributions of histone deacetylase (HDAC) isoforms to the beneficial effects of dual phosphodiesterase 5 (PDE5) and pan-HDAC inhibitors on in vivo models of Alzheimer's disease (AD), we have designed, synthesized, and tested novel chemical probes with the desired target compound profile of PDE5 and class I HDAC selective inhibitors. Compared to previous hydroxamate-based series, these molecules exhibit longer residence times on HDACs. In this scenario, shorter or longer preincubation times may have a significant impact on the IC50 values of these compounds and therefore on their corresponding selectivity profiles on the different HDAC isoforms. On the other hand, different chemical series have been explored and, as expected, some pairwise comparisons show a clear impact of the scaffold on biological responses (e.g., 35a vs 40a). The lead identification process led to compound 29a, which shows an adequate ADME-Tox profile and in vivo target engagement (histone acetylation and cAMP/cGMP response element-binding (CREB) phosphorylation) in the central nervous system (CNS), suggesting that this compound represents an optimized chemical probe; thus, 29a has been assayed in a mouse model of AD (Tg2576).

NOVEL COMPOUNDS FOR USE IN COGNITION IMPROVEMENT

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Page/Page column 51; 71, (2016/04/19)

Novel compounds for use in cognition improvement It relates to certain compounds having a polycyclic structure and a -(C=O)NRaRb moiety, wherein the polycyclic structure comprises at least three ring systems, wherein one ring system is a polycyclic ring system comprising from 2 to 4 rings; at least one ring is an aromatic ring; and wherein the structure comprises at least 3 nitrogen atoms and 1 oxygen atom. It also relates to pharmaceutical compositions containing them, and to their use in medicine, in particular in the treatment and/or prevention of neurological disorders coursing with a cognition deficit or impairment, or neurodegenerative diseases.

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