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219793-23-4

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219793-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 219793-23-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,7,9 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 219793-23:
(8*2)+(7*1)+(6*9)+(5*7)+(4*9)+(3*3)+(2*2)+(1*3)=164
164 % 10 = 4
So 219793-23-4 is a valid CAS Registry Number.

219793-23-4Relevant articles and documents

Mechanistic studies of fluoride-promoted silicon elimination in β-benzotriazolyl-β-aryl-γ-ketosilanes

Katritzky, Alan R.,Voronkov, Michael V.,Toader, Dorin

, p. 2515 - 2518 (2007/10/03)

Vicinal elimination of trimethylsilyl and benzotriazolyl groups from 2-benzotriazolyl-2-aryl-3-ketopropylsilanes forms, along with the expected 1,1-disubstituted ethylenes, significant amounts of the corresponding chalcones. A study of this transformation

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