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95469-40-2

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95469-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 95469-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,5,4,6 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 95469-40:
(7*9)+(6*5)+(5*4)+(4*6)+(3*9)+(2*4)+(1*0)=172
172 % 10 = 2
So 95469-40-2 is a valid CAS Registry Number.

95469-40-2Relevant articles and documents

Selection of a Sommelet-Hauser or a Stevens Rearrangement Pathway of N,N-Dimethyl(substituted benzyl)ammonium N-Alkylides

Tanaka, Tetsuya,Shirai, Naohiro,Sugimori, Junji,Sato, Yoshiro

, p. 5034 - 5036 (2007/10/02)

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Rearrangement of (Substituted benzyl)trimethylammonium Ylides in a Nonbasic Medium: The Improved Sommelet-Hauser Rearrangement

Nakano, Mitsuji,Sato, Yoshiro

, p. 1844 - 1847 (2007/10/02)

Benzyl quaternary ammonium ylide formation in a nonbasic medium was accomplished by fluoride anion induced desilylation of benzyldimethylammonium bromide (3a) and ortho- or para-substituted benzyl analogues 3b-k.Treatment of 3 with CsF in HMPA at room temperature gives high yields of the Sommelet-Hauser rearrangement products 7 from 3a and methyl-, acetoxy-, and chloro-substituted analogues 3b-f.However, formation of the Stevens rearrangement products 8 is competitive for the reaction of compounds 3g-k having strong electron-withdrawing substituents such as acetyl, cyano, and nitrogen groups.From the o-cyano-substituted analogue 3h, a considerable amount of para Sommelet-Hauser rearrangement product is isolated.

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