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172987-06-3

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172987-06-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172987-06-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,9,8 and 7 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 172987-06:
(8*1)+(7*7)+(6*2)+(5*9)+(4*8)+(3*7)+(2*0)+(1*6)=173
173 % 10 = 3
So 172987-06-3 is a valid CAS Registry Number.

172987-06-3Relevant articles and documents

Carbopeptoids: Peptides and diketopiperazines incorporating the anomeric centre of mannopyranose

Long, Daniel D.,Tennant-Eyles, Richard J.,Estevez, Juan C.,Wormald, Mark R.,Dwek, Raymond A.,Smith, Martin D.,Fleet, George W.J.

, p. 807 - 813 (2007/10/03)

An approach to the synthesis of D-mannopyranose derivatives incorporating an anomeric α-amino acid component is described. An N-acylated bicyclic [2.2.2] lactone, formed via an oxidative ring closure, provides access to a new class of glycopeptide analogues of D-mannopyranose and determines the anomeric configuration of compounds derived therefrom. The mannopyranose diketopiperazine may be equilibrated to the more stable furanose form under basic conditions; in general, mannopyranose derivatives containing an α-amino acid moiety at the anomeric position are less stable than the mannofuranose isomers.

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