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132722-95-3

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132722-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132722-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,7,2 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 132722-95:
(8*1)+(7*3)+(6*2)+(5*7)+(4*2)+(3*2)+(2*9)+(1*5)=113
113 % 10 = 3
So 132722-95-3 is a valid CAS Registry Number.

132722-95-3Relevant articles and documents

A concise synthesis of anti-viral agent F-ddA, starting from (S)-dihydro-5-(hydroxymethyl)-2(3H)-furanone

Choudhury, Anusuya,Jin, Fuqiang,Wang, Dengjin,Wang, Zhe,Xu, Guoyou,Nguyen, Dieu,Castoro, John,Pierce, Michael E.,Confalone, Pat N.

, p. 247 - 250 (2007/10/03)

Anti-HIV agent β-F-ddA (1) has been synthesized starting from readily available non-sugar, (S)-(+)-Dihydro-5-(hydroxymethyl)-2-(3H)-furanone (4). A highly syn-stereoselective fluorination of the hydroxy lactone 2 generates the key intermediate fluorolactone 5 in a short and concise synthetic sequence. Reduction of 5 followed by bromination generates the aglycon which is glycosylated to generate F-ddA by amination and deprotection. Steric bulk of the 5-protecting group has minimal effect on the steric course of glycosylation.

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