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172987-07-4

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172987-07-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172987-07-4 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 7 respectively.
Calculate Digit Verification of CAS Registry Number 172987-07:
(8*1)+(7*7)+(6*2)+(5*9)+(4*8)+(3*7)+(2*0)+(1*7)=174
174 % 10 = 4
So 172987-07-4 is a valid CAS Registry Number.

172987-07-4Relevant articles and documents

Spirodiketopiperazines at the anomeric position of mannopyranose: Novel N-linked glycopeptides incorporating an α-amino acid at the anomeric position of mannopyranose

Estevez, Juan C.,Long, Daniel D.,Wormald, Mark R.,Dwek, Raymond A.,Fleet, George W. J.

, p. 8287 - 8290 (1995)

The first synthesis of a spirodiketopiperazine at the anomeric carbon of a pyranose sugar is described; an N-acylated bicyclic amino [2.2.2.] lactone provides access to a new class of glycopeptide analogues of pyranoses and determines the anomeric configuration of the spirodiketopiperazine. The mannopyranose may be equilibrated to the more stable furanose form.

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