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344238-72-8

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344238-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 344238-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,4,2,3 and 8 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 344238-72:
(8*3)+(7*4)+(6*4)+(5*2)+(4*3)+(3*8)+(2*7)+(1*2)=138
138 % 10 = 8
So 344238-72-8 is a valid CAS Registry Number.

344238-72-8Downstream Products

344238-72-8Relevant academic research and scientific papers

Michael Additions to α,β-Unsatirated Sulphoximides in Two-phase Systems. Kinetic Resolution by Means of Chiral Phase-transfer Catalysts

Annunziata, Rita,Cinquini, Mauro,Colonna, Stefano

, p. 2422 - 2424 (2007/10/02)

Addition of nucleophiles to α,β-unsaturated sulphoximides is a facile reaction in two-phase systems.The chiral phase-transfer catalyst N-benzylquininium chloride is capable of asymmetric selection in the reaction of the α,β-unsaturated sulphoximides with

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