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189506-47-6

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189506-47-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189506-47-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,5,0 and 6 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 189506-47:
(8*1)+(7*8)+(6*9)+(5*5)+(4*0)+(3*6)+(2*4)+(1*7)=176
176 % 10 = 6
So 189506-47-6 is a valid CAS Registry Number.

189506-47-6Relevant articles and documents

BENZOPYRAZOLE COMPOUND USED AS RHO KINASE INHIBITOR

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Paragraph 0394-0395; 0397, (2021/02/25)

The invention relates to a benzopyrazole compound used as RHO kinase inhibitor, a pharmaceutical composition and uses thereof for preparing an RHO kinase inhibiting drug, and more specifically to said compound of formula (I-1), a pharmaceutically acceptable salt and isomer thereof.

Antifungal benzo[b]thiophene 1,1-dioxide IMPDH inhibitors exhibit pan-assay interference (PAINS) profiles

Kummari, Lalith K.,Butler, Mark S.,Furlong, Emily,Blundell, Ross,Nouwens, Amanda,Silva, Alberto B.,Kappler, Ulrike,Fraser, James A.,Kobe, Bostjan,Cooper, Matthew A.,Robertson, Avril A.B.

, p. 5408 - 5419 (2018/10/20)

Fungi cause serious life-threatening infections in immunocompromised individuals and current treatments are now complicated by toxicity issues and the emergence of drug resistant strains. Consequently, there is a need for development of new antifungal drugs. Inosine monophosphate dehydrogenase (IMPDH), a key component of the de novo purine biosynthetic pathway, is essential for growth and virulence of fungi and is a potential drug target. In this study, a high-throughput screen of 114,000 drug-like compounds against Cryptococcus neoformans IMPDH was performed. We identified three 3-((5-substituted)-1,3,4-oxadiazol-2-yl)thio benzo[b]thiophene 1,1-dioxides that inhibited Cryptococcus IMPDH and also possessed whole cell antifungal activity. Analogs were synthesized to explore the SAR of these hits. Modification of the fifth substituent on the 1,3,4-oxadiazole ring yielded compounds with nanomolar in vitro activity, but with associated cytotoxicity. In contrast, two analogs generated by substituting the 1,3,4-oxadiazole ring with imidazole and 1,2,4-triazole gave reduced IMPDH inhibition in vitro, but were not cytotoxic. During enzyme kinetic studies in the presence of DTT, nucleophilic attack of a free thiol occurred with the benzo[b]thiophene 1,1-dioxide. Two representative compounds with substitution at the 5 position of the 1,3,4-oxadiazole ring, showed mixed inhibition in the absence of DTT. Incubation of these compounds with Cryptococcus IMPDH followed by mass spectrometry analysis showed non-specific and covalent binding with IMPDH at multiple cysteine residues. These results support recent reports that the benzo[b]thiophene 1,1-dioxides moiety as PAINS (pan-assay interference compounds) contributor.

7-alkyl- and 7-cycloalkyl-5-aryl-pyrrolo[2,3-d]pyrimidines - Potent inhibitors of the tyrosine kinase c-Src

Widler, Leo,Green, Jonathan,Missbach, Martin,Susa, Mira,Altmann, Eva

, p. 849 - 852 (2007/10/03)

7-Substituted-5-aryl-pyrrolo[2,3-d]pyrimidines have been prepared starting from α-bromoacetophenones. These compounds represent a novel class of potent inhibitors of the tyrosine kinase pp60c-Src with good specificity towards other tyrosine kinases (EGF-R, v-Abl).

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