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56282-28-1

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56282-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56282-28-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,2,8 and 2 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 56282-28:
(7*5)+(6*6)+(5*2)+(4*8)+(3*2)+(2*2)+(1*8)=131
131 % 10 = 1
So 56282-28-1 is a valid CAS Registry Number.

56282-28-1Upstream product

56282-28-1Relevant articles and documents

Preparation of an A-ring building block for the total synthesis of 1α,25-dihydroxy vitamin D3 and structurally related congeners: Lipase-catalyzed stereoselective esterification of a suitable epoxyalcohol

Ferraboschi, Patrizia,Reza-Elahi, Shahrzad,Scotti, Luca,Santaniello, Enzo

, p. 2665 - 2668 (2007/10/03)

An useful A-ring building block for the total synthesis of vitamin D3 congeners, compound 7, has been prepared starting from vitamin D2 by a chemo-enzymatic approach that relies on lipase-catalyzed acylation in an organic solvent for the stereoselective step. Copyright (C) 2000 Elsevier Science Ltd.

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