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218607-58-0

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218607-58-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 218607-58-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,8,6,0 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 218607-58:
(8*2)+(7*1)+(6*8)+(5*6)+(4*0)+(3*7)+(2*5)+(1*8)=140
140 % 10 = 0
So 218607-58-0 is a valid CAS Registry Number.

218607-58-0Downstream Products

218607-58-0Relevant articles and documents

Capsular polysaccharide of Streptococcus pneumoniae type 19F: Synthesis of the repeating unit

Bousquet, Ennio,Khitri, Malika,Lay, Luigi,Nicotra, Francesco,Panza, Luigi,Russo, Giovanni

, p. 171 - 181 (2007/10/03)

A new and more versatile synthesis of β-d-ManpNAc-(1→4)-α-d-Glcp-(1→2)-α-l-Rhap, the trisaccharide repeating unit of the Streptococcus pneumoniae type 19F capsular polysaccharide, is described. The present approach allows a simple access to different fragments containing the trisaccharide and the conjugation of the product(s) to a protein through the selective manipulation of the anomeric position at the reducing end and of the HO-4 function at the nonreducing end. The synthetic scheme shows an efficient application of the sulfoxide method for the stereoselective and high yielding formation of the glycosidic linkages. Copyright (C) 1998 Elsevier Science Ltd. A new and more versatile synthesis of β-D-ManpNAc-(1→4)-α-D-Glcp-(1→2)-α-L-Rhap, the trisaccharide repeating unit of the Streptococcus pneumoniae type 19F capsular polysaccharide, is described. The present approach allows a simple access to different fragments containing the trisaccharide and the conjugation of the product(s) to a protein through the selective manipulation of the anomeric position at the reducing end and of the HO-4 function at the nonreducing end. The synthetic scheme shows an efficient application of the sulfoxide method for the stereoselective and high yielding formation of the glycosidic linkages.

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