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345269-78-5

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345269-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 345269-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,5,2,6 and 9 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 345269-78:
(8*3)+(7*4)+(6*5)+(5*2)+(4*6)+(3*9)+(2*7)+(1*8)=165
165 % 10 = 5
So 345269-78-5 is a valid CAS Registry Number.

345269-78-5Relevant articles and documents

Sequential stereoselective catalysis: Two single-flask reactions of a substrate in the presence of a bifunctional chiral ligand and different transition metals

Annunziata, Rita,Benaglia, Maurizio,Cinquini, Mauro,Cozzi, Franco,Puglisi, Alessandra

, p. 1428 - 1432 (2003)

A new bifunctional ligand capable of promoting different stereoselective catalytic transformations in combination with different transition metals has been prepared by connecting with a spacer a bis(oxazoline) to dihydroquinidine; this ligand was employed in a one-flask procedure in which methyl (E)-3-(4-vinylphenyl)propenoate underwent first cyclopropanation at the electron-rich double bond and then dihydroxylation at the electron-poor alkene to afford a product containing four stereocenters with complete regiocontrol and high stereoselectivity. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.

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