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87735-52-2

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87735-52-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87735-52-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,3 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87735-52:
(7*8)+(6*7)+(5*7)+(4*3)+(3*5)+(2*5)+(1*2)=172
172 % 10 = 2
So 87735-52-2 is a valid CAS Registry Number.

87735-52-2Downstream Products

87735-52-2Relevant articles and documents

SYNTHESIS OF OLIGOSACCHARIDES OF L-FUCOSE CONTAINING α- AND β-ANOMERIC CONFIGURATIONS IN THE SAME MOLECULE

Flowers, Harold M.

, p. 75 - 84 (2007/10/02)

Some L-fucopyranosyl di-, tri-, and tetra-saccharides containing D-glucose and D-galactose have been synthesised.The use of mercuric cyanide and 2-O-benzyl-3,4-di-O-p-nitrobenzoyl-α-L-fucopyranosyl bromide gave α-L-fucopyranosides stereospecifically, but 2,3,4-tri-O-acetyl-α-L-fucopyranosyl bromide gave mixtures with selectivity favouring the β anomer.A tetrasaccharide was prepared containing both α- and β-L-fucopyranosyl residues in the same molecule, as part of a structure occuring in some extracellular bacterial polysaccharides.The configuration and positions of substitution of fucopyranosyl residues were clearly shown by 1H- and 13C-n.m.r. data.

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