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1195263-64-9

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1195263-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1195263-64-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,5,2,6 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1195263-64:
(9*1)+(8*1)+(7*9)+(6*5)+(5*2)+(4*6)+(3*3)+(2*6)+(1*4)=169
169 % 10 = 9
So 1195263-64-9 is a valid CAS Registry Number.

1195263-64-9Downstream Products

1195263-64-9Relevant articles and documents

Development of a robust and practical process for the Darzens condensation and α,β-epoxide rearrangement: Scope and limitations of the methodology

Zimbron, Jeremy Malcolm,Seeger-Weibel, Manuela,Hirt, Hans,Gallou, Fabrice

, p. 1221 - 1226 (2008/12/22)

A practical and robust process for the Darzens condensation of substituted benzaldehydes and subsequent α,β-epoxy rearrangement is reported. The process developed is both amenable to large scale and parallel synthesis. While electron-poor benzaldehydes gave mixtures of aryl ketones and 2-substituted aryl ketones in mediocre to low yields, electron-rich benzaldehydes were found to react in high yields with complete regioselectivity to form 2-substituted aryl ketones. Georg Thieme Verlag Stuttgart.

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