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58538-06-0

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58538-06-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58538-06-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,5,3 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 58538-06:
(7*5)+(6*8)+(5*5)+(4*3)+(3*8)+(2*0)+(1*6)=150
150 % 10 = 0
So 58538-06-0 is a valid CAS Registry Number.

58538-06-0Relevant articles and documents

PREPARATION OF THE 1-(2,5-ANHYDRO-β-D-ARABINOFURANOSYL) DERIVATIVE OF CYTOSINE AND URACIL AND THEIR CLEAVAGE WITH HYDROGEN BROMIDE

Hrebabecky, Hubert,Brokes, Josef,Beranek, Jiri

, p. 2961 - 2968 (2007/10/02)

Anhydronucleoside Ia was prepared from chloroarabinofuranoxylcytosine IIIc or from 2,2'-anhydro-1-(5-chloro-5-deoxy-β-D-arabinofuranosyl)cytosine by the action of a strongly basic ion exchanger.The anhydro derivative IIa was prepared from 2,2'-anhydro-1-(5-chloro-5-deoxy-β-D-arabinofuranosyl)uracil by treatment with aqueous solution of sodium hydroxide.The action of hydrogen bromide in dimethylformamide on 2',5'-anhydronucleosides Ia and IIa leads both to the cleavage of the anhydro bond under formation of the 5'-bromo derivatives IIIa and IVa and to the cleavage of nucleosidic bond.In case of uracil derivative IIa, the α-arabinofuranosyl derivative V was also isolated after preceding acetylation.For unambiguous proof of the structure, an alternative synthesis of compound V was performed.

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