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20509-83-5

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20509-83-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20509-83-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,5,0 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 20509-83:
(7*2)+(6*0)+(5*5)+(4*0)+(3*9)+(2*8)+(1*3)=85
85 % 10 = 5
So 20509-83-5 is a valid CAS Registry Number.

20509-83-5Relevant articles and documents

Synthesis and anticonvulsant activity of phenoxyacetyl derivatives of amines, including aminoalkanols and amino acids

Pańczyk, Katarzyna,Zelaszczyk, Dorota,Koczurkiewicz, Paulina,S?oczyńska, Karolina,P?kala, El?bieta,Zes?awska, Ewa,Nitek, Wojciech,Zmudzki, Pawe?,Marona, Henryk,Waszkielewicz, Anna

, p. 1933 - 1948 (2018/11/24)

A series of 17 new phenoxyacetamides has been prepared via multistep chemical synthesis as a continuation of the research carried out by our group on di- and tri-substituted phenoxyalkyl and phenoxyacetyl derivatives of amines. The obtained compounds vary in an amide component, for example aminoalkanol or (un)modified amino acid moieties were introduced. The structures of selected products were confirmed by means of crystallographic methods. All 17 compounds were the subject of preliminary screening for potential anticonvulsant activity (MES, 6 Hz and/or scMET tests) and neurotoxicity (rotarod) in mice after intraperitoneal administration, while several active compounds were subsequently examined in additional models (e.g. MES and rotarod-rats, p.o. or i.p., hippocampal kindling-rats, i.p.). Finally, safety studies (cytotoxicity and cell proliferation assays on astrocytes, metabolic stability assessment, mutagenicity evaluation) were performed for several active compounds, including the most promising one (R-(?)-2-(2,6-dimethylphenoxy)-N-(1-hydroxypropan-2-yl)acetamide, MES ED50 = 12.00 mg per kg b.w., rats, p.o.).

Basic amides of 2,4,5 trichlorophenoxyacetic, 2,4,6 trimethylphenoxyacetic and 4 bromo 3,5 dimethylphenoxyacetic acid and some related compounds; synthesis and pharmacological screening

Valenta,Nemec,Protiva

, p. 1089 - 1096 (2007/10/02)

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