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329771-55-3

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329771-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 329771-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,9,7,7 and 1 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 329771-55:
(8*3)+(7*2)+(6*9)+(5*7)+(4*7)+(3*1)+(2*5)+(1*5)=173
173 % 10 = 3
So 329771-55-3 is a valid CAS Registry Number.

329771-55-3Relevant articles and documents

Carbohydrate-based receptors with multiple thiourea binding sites. Multipoint hydrogen bond recognition of dicarboxylates and monosaccharides

Benito,Gomez-Garcia,Jimenez Blanco,Mellet,Garcia Fernandez

, p. 1366 - 1372 (2001)

The binding properties of multitopic sugar thiourea receptors toward dicarboxylate and monosaccharide guests have been examined taking glutarate and octyl β-D-glucopyranoside as model ligands. For the anionic hydrogen bond acceptor, both the complex stoichiometry and the association constants (Kas) were found to be strongly dependent on the relative disposition of recognition elements in the host. In contrast, for the glucoside guest a 1:1 stoichiometry was observed in all cases, the Kas values being largely independent of the unbound state provided that geometrically equivalent supramolecular topologies can be achieved.

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