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161687-28-1

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161687-28-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161687-28-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,6,8 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 161687-28:
(8*1)+(7*6)+(6*1)+(5*6)+(4*8)+(3*7)+(2*2)+(1*8)=151
151 % 10 = 1
So 161687-28-1 is a valid CAS Registry Number.

161687-28-1Relevant articles and documents

Highly Regio- and Stereo-specific Preparation of a New Carbohydrate-based 1,3-Oxazin-2-one by the INIR Method and its Applications in Some Asymmetric Transformations

Banks, Malcolm R.,Cadogan, J. I. G.,Gosney, Ian,Gaur, Suneel,Hodgson, Philip K. G.

, p. 2447 - 2458 (2007/10/02)

Preliminary experiments show that a new gulonic acid-derived 1,3-oxazin-2-one, prepared by an intramolecular nitrene insertion reaction (INIR) method, serves to control both asymmetric aldol and Diels-Alder reactions with excellent stereo-selection.

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