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134792-21-5

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134792-21-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134792-21-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,7,9 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134792-21:
(8*1)+(7*3)+(6*4)+(5*7)+(4*9)+(3*2)+(2*2)+(1*1)=135
135 % 10 = 5
So 134792-21-5 is a valid CAS Registry Number.

134792-21-5Downstream Products

134792-21-5Relevant articles and documents

Practical synthesis of β-oxo benzo[d]thiazolyl sulfones: Scope and limitations

Pospiil, Jii,Robiette, Raphael,Sato, Hitoshi,Debrus, Kevin

, p. 1225 - 1234 (2012/03/07)

In this paper, we discuss our new synthetic approach towards functionalized benzo[d]thiazolyl (BT) sulfones, based on the reunion of alkyl BT sulfones and various electrophiles (e.g. R-CO-X, RO-CO-X, RS-CO-X, Ts-X...). All important aspects of this coupling reaction, including relevant and undesirable side reactions, are evaluated by means of calculations and competitive experiments. The scope and limitations of this method are established. The Royal Society of Chemistry 2012.

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