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343598-12-9

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343598-12-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 343598-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,5,9 and 8 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 343598-12:
(8*3)+(7*4)+(6*3)+(5*5)+(4*9)+(3*8)+(2*1)+(1*2)=159
159 % 10 = 9
So 343598-12-9 is a valid CAS Registry Number.

343598-12-9Relevant articles and documents

Clay Montmorillonite-Catalyzed Aldol Reactions of Silyl Ketene Acetals with Carbonyl Compounds

Onaka, Makoto,Ohno, Ryosuke,Kawai, Motomitsu,Izumi, Yusuke

, p. 2689 - 2691 (1987)

Al3+ ion-exchanged montmorillonite efficiently catalyzes the aldol reactions of silyl ketene acetals with carbonyl compounds and acetals.The optimum preparation of the effective montmorillonite catalyst is described.

ALDOL REACTIONS, CONJUGATE ADDITIONS, AND ALKYLATION REACTIONS OF O-SILYLATED KETENE ACETALS UNDER NEUTRAL CONDITIONS

Yamamoto, Yoshinori,Maruyama, Kazuhiro,Matsumoto, Kiyoshi

, p. 1075 - 1078 (2007/10/02)

Aldol reactions, conjugate additions, and alkylation reactions of O-silylated ketene acetals take place under neutral conditions by using a high pressure technique.

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