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169139-95-1

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169139-95-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 169139-95-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,1,3 and 9 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 169139-95:
(8*1)+(7*6)+(6*9)+(5*1)+(4*3)+(3*9)+(2*9)+(1*5)=171
171 % 10 = 1
So 169139-95-1 is a valid CAS Registry Number.

169139-95-1Upstream product

169139-95-1Downstream Products

169139-95-1Relevant articles and documents

Approaches to carbocyclic analogues of the potent neuraminidase inhibitor 4-guanidino-Neu5Ac2en. X-Ray molecular structure of N-acetamide

Chandler, Malcolm,Conroy, Richard,Cooper, Anthony W. J.,Lamont, R. Brian,Scicinski, Jan J.,et al.

, p. 1189 - 1198 (2007/10/02)

Various approaches using Diels-Alder chemistry have been established for the synthesis of truncated carbocyclic analogues 4 and 6 of 4-guanidino-Neu5Ac2en.In the case of compound 4, elaboration of an initial adduct from Danishefsky's diene and the dienophile 7 allowed access to the key enone 26.Methylenation of the carbonyl group and azide-induced opening of an intermediate oxazoline established the required framework regio- and stereo-specifically.Compounds 4 and 6 were found to retain intetresting levels of antiviral activity comparable to those shown by their oxygen-containing counterparts.

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