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148871-73-2

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148871-73-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148871-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,7 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 148871-73:
(8*1)+(7*4)+(6*8)+(5*8)+(4*7)+(3*1)+(2*7)+(1*3)=172
172 % 10 = 2
So 148871-73-2 is a valid CAS Registry Number.

148871-73-2Relevant articles and documents

Benzyl Methyl (S)-2-(p-Tolylsulfinyl)maleate, an Efficient Dienophile in Asymmetric Diels-Alder Reactions

Alonso, Ines,Carretero, Juan C.,Ruano, Jose L. Garcia

, p. 1499 - 1508 (2007/10/02)

The enantiomerically pure dienophile 3 was readily prepared in a three-step sequence from benzyl acetate and (-)-(S)-menthyl p-toluenesulfinate (46percent overall yield).This vinyl sulfoxide reacted in high

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