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52260-49-8

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52260-49-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 52260-49-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,2,6 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 52260-49:
(7*5)+(6*2)+(5*2)+(4*6)+(3*0)+(2*4)+(1*9)=98
98 % 10 = 8
So 52260-49-8 is a valid CAS Registry Number.

52260-49-8Relevant articles and documents

Noteworthy observations accompanying synthesis of the apoptolidin disaccharide

Srinivasarao, Madduri,Park, Taesik,Chen, Yuzhong,Fuchs, Philip L.

, p. 5858 - 5860 (2011/07/08)

A stereoselective synthesis of the apoptolidin disaccharide is reported. The key chemistry features a new transformation utilizing a highly selective tetramethylalkoxyalanate[v]-directed syn-methylation of a vinylogous ester, isolation of a hydrate of a 2-keto sugar, an eco-friendly radical cleavage of a bromomethyl group, and an efficient preparation of a fluorodisaccharide via the use of XtalFluor-E.

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