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299188-59-3

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299188-59-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 299188-59-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,9,1,8 and 8 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 299188-59:
(8*2)+(7*9)+(6*9)+(5*1)+(4*8)+(3*8)+(2*5)+(1*9)=213
213 % 10 = 3
So 299188-59-3 is a valid CAS Registry Number.

299188-59-3Downstream Products

299188-59-3Relevant articles and documents

Absolute configuration of 2-methoxy-2-(2-naphthyl)propionic acid as determined by the 1H NMR anisotropy method

Ichikawa, Akio,Hiradate, Syuntaro,Sugio, Akinori,Kuwahara, Shunsuke,Watanabe, Masataka,Harada, Nobuyuki

, p. 2669 - 2675 (2007/10/03)

2-Methoxy-2-(2-naphthyl)propionic acid 1 and 2-hydroxy-2-(2-naphthyl)propionic acid 2 were prepared by the Grignard reaction of 2-naphthylmagnesium bromide with (1R,2S,5R)-(-)-menthyl pyruvate. The absolute configurations of (+)-1 and (+)-2 were determined to be S by the 1H NMR anisotropy method. Copyright (C) 2000 Elsevier Science Ltd.

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