Cas 135654-02-3,3-((E)-2-p-Tolyl-ethenesulfonylmethyl)-benzoic acid ethyl ester

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Check Digit Verification of cas no

The CAS Registry Mumber 135654-02-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,6,5 and 4 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 135654-02:
(8*1)+(7*3)+(6*5)+(5*6)+(4*5)+(3*4)+(2*0)+(1*2)=123
123 % 10 = 3
So 135654-02-3 is a valid CAS Registry Number.

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135654-02-3Relevant academic research and scientific papers

SYNTHESIS OF SOME NOVEL α,β-ETHYLENIC SULFONES

Reddy, M. V. Ramana,Vijayalakshmi, S.,Reddy, D. Bhaskar,Reddy, P. V. Ramana

, p. 209 - 214 (2007/10/02)

Novel unsaturated sulfones E-alkoxy/carbamoyl benzyl styryl sulfones (VI) and E-4(N-benzylcarbamoyl)benzyl styryl sulfones (IX) have been prepared by the Knoevenagel condensation of alkoxy/carbamoyl benzylsulfonylacetic acid (V) and 4-carboxybenzylsulfonylacetic acid (VIII) with araldehydes.The E-geometry of these compounds has been assigned based on IR and 1H NMR spectral data. Key words: Configuration, Knoevenagel condensation, sulfonylacetic acids, unsaturated sulfones.

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