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254973-56-3

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254973-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 254973-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,9,7 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 254973-56:
(8*2)+(7*5)+(6*4)+(5*9)+(4*7)+(3*3)+(2*5)+(1*6)=173
173 % 10 = 3
So 254973-56-3 is a valid CAS Registry Number.

254973-56-3Relevant articles and documents

Oxidative [1,2]-Brook Rearrangements Exploiting Single-Electron Transfer: Photoredox-Catalyzed Alkylations and Arylations

Deng, Yifan,Liu, Qi,Smith, Amos B.

, p. 9487 - 9490 (2017/07/24)

Oxidative [1,2]-Brook rearrangements via hypervalent silicon intermediates induced by photoredox-catalyzed single-electron transfer have been achieved, permitting the formation of reactive radical species that can engage in alkylations and arylations.

Enantioselective synthesis of a-hydroxysilanes by bioreduction of aroyltrimcthylsilanes

Patrocinio, Amauri F.,Correa Jr., Ivan R.,Moran, Paulo J. S.

, p. 3133 - 3137 (2007/10/03)

Aromatic acylsilanes [Ar-CO-SiMe3; Ar = C6H5,4-ClC6H4, 2-, 3- and 4-OMeC6H4, 3,4-(OMe)2C6H3 and 3,4-OCH2OC6H3] were reduced by baker's yeast to optically active a-silyl alcohols in 20-70% yield and 43-88% ee. Comments are made on the influence of silicon in this bioreduction reaction. The Royal Society of Chemistry 1999.

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