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533929-34-9

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533929-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 533929-34-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,3,9,2 and 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 533929-34:
(8*5)+(7*3)+(6*3)+(5*9)+(4*2)+(3*9)+(2*3)+(1*4)=169
169 % 10 = 9
So 533929-34-9 is a valid CAS Registry Number.

533929-34-9Relevant articles and documents

An expedient, stereoselective synthesis of highly functionalized cyclic compounds

Krawczyk, Ewa,Owsianik, Krzysztof,Skowronska, Aleksandra,Wieczorek, Michal,Majzner, Wieslaw

, p. 1753 - 1767 (2007/10/03)

New thiophosphates containing functionalized cyclic ketone derivatives as ligands have been stereoselectively (prepared from readily available starting materials. Full axial stereoselectivity of the NaBH)4 (reduction) of the carbonyl group in thiophosphates providing the corresponding thiols or sulfides has been demonstrated. The sulfides have been transformed into new functionalized cyclic Baylis-Hillman type adducts of defined configuration. The prospects for the useful synthetic application of these adducts appear to be very promising.

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