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Z 3-oxazolidinecarboxylic acid, 2-(3-methoxy-1-methyl-3-oxo-1-propenyl)-4-methyl-5-phenyl methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

138921-41-2

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138921-41-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138921-41-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,2 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138921-41:
(8*1)+(7*3)+(6*8)+(5*9)+(4*2)+(3*1)+(2*4)+(1*1)=142
142 % 10 = 2
So 138921-41-2 is a valid CAS Registry Number.

138921-41-2Relevant academic research and scientific papers

Asymmetric hydrogenation of 3-methyl-fumaric and maleic ester monoaldehydes protected as neph-derived oxazolidines

Bernardi, Anna,Carugo, Oliviero,Pasquarello, Alessandra,Sidjimov, Atanas,Poli, Giovanni

, p. 7357 - 7362 (1991)

The hydrogenation of 3-methyl-fumaric and maleic ester mono aldehydes protected as oxazolidines of nor-ephedrine (NEPH) derivation has been studied. This transformation takes place with moderate to good π-face stereodifferentiation and allows the preparat

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