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Benzoic acid (2R,4aR,6R,7R,8S,8aS)-6-(5-benzyloxycarbonylamino-pentyloxy)-8-hydroxy-2-phenyl-hexahydro-pyrano[3,2-d][1,3]dioxin-7-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

183239-92-1

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183239-92-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183239-92-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,2,3 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 183239-92:
(8*1)+(7*8)+(6*3)+(5*2)+(4*3)+(3*9)+(2*9)+(1*2)=151
151 % 10 = 1
So 183239-92-1 is a valid CAS Registry Number.

183239-92-1Upstream product

183239-92-1Downstream Products

183239-92-1Relevant academic research and scientific papers

Prearranged glycosides, 4: Synthesis via prearranged glycosides of a tetrasaccharide fragment related to the capsular polysaccharide of Streptococcus pneumoniae type 27

Schuele, Gunter,Ziegler, Thomas

, p. 1599 - 1607 (1996)

The blockwise synthesis of the pyruvated tetrasaccharide 4,6-(S)-pyruvic-acetal-β-D-GlcNAcp-(1→3)-α-D-Gal p-(1→4)-β-L-Rhap-(1→4)-β-D-Glc p-O(CH2)5NH2 (32), related to the repeating unit of the capsular polysaccharide of Streptococcus pneumonias type 27, by coupling of the suitably protected disaccharide blocks 4,6-(S)-pyruvic-acetal-β-D-GlcNAcp-(1→3)-α-D-Gal p-trichloroacetimidate (13) and β-L-Rhap-(1→4)-β-D-Glcp-O(CH 2)5NHZ (29β) is described. The latter disaccharide acceptor was prepared via prearranged glycosides by intramolecular glycosylation of a protected 5-aminopentyl β-D-glucopyranoside linked by a succinyl bridge at C-3 to C-2 of ethyl 1-thio-α-L-rhamnopyranoside. The dependence of the anomeric selectivity of the coupling on the nature of the protecting group at C-4 of the rhamnosyl moiety is studied. VCH Verlagsgesellschaft mbH, 1996.

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