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13035-12-6

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13035-12-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13035-12-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,0,3 and 5 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 13035-12:
(7*1)+(6*3)+(5*0)+(4*3)+(3*5)+(2*1)+(1*2)=56
56 % 10 = 6
So 13035-12-6 is a valid CAS Registry Number.

13035-12-6Upstream product

13035-12-6Relevant articles and documents

Synthesis and reactivity of halogenated 1,2,4-triazole nucleoside analogues with high potential for chemical modifications

Libnow, Stefanie,Wille, Susanne,Christiansen, Andrea,Hein, Martin,Reinke, Helmut,Koeckerling, Martin,Miethchen, Ralf

, p. 496 - 508 (2007/10/03)

1,2,4-Triazole nucleoside analogues bonded at N-1 of the base were synthesized by addition of N-halo-3,5-dibromo-1,2,4-triazoles to 1,2-unsaturated carbohydrate derivatives (glycals). Examples are given for 1,5-anhydro-3,4,6- tri-O-acetyl-2-deoxy-D-arabino-hex-1-enitol (tri-O-acetyl-D-glucal), and 1,5-anhydro-3,4,6-tri-O-benzyl-2-deoxy-D-arabino-hex-1-enitol (tri-O-benzyl-D-glucal), respectively. The graduated reactivity of the three halogens [C-5 (triazole) > C-2 (sugar) > C-3 (triazole)] in the addition products allows subsequent regioselective replacement and deprotection reactions like hydrodehalogenations, nucleophilic substitutions (by methoxide, hydrazine, benzylamine, thiophenolate), deacetylations, and debenzylations, respectively. Thus, the paper opens a new synthetic approach to triazole nucleoside analogues of 2-deoxy-sugars. X-ray analyses support the structures of nine products. Georg Thieme Verlag Stuttgart.

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