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221121-33-1

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221121-33-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221121-33-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,1,2 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 221121-33:
(8*2)+(7*2)+(6*1)+(5*1)+(4*2)+(3*1)+(2*3)+(1*3)=61
61 % 10 = 1
So 221121-33-1 is a valid CAS Registry Number.

221121-33-1Relevant articles and documents

Parallel solution-phase and microwave-assisted synthesis of new S-DABO derivatives endowed with subnanomolar anti-HIV-1 activity

Manetti, Fabrizio,Esté, José A.,Clotet-Codina, Imma,Armand-Ugón, Mercedes,Maga, Giovanni,Crespan, Emmanuele,Cancio, Reynel,Mugnaini, Claudia,Bernardini, Cesare,Togninelli, Andrea,Carmi, Caterina,Alongi, Maddalena,Petricci, Elena,Massa, Silvio,Corelli, Federico,Botta, Maurizio

, p. 8000 - 8008 (2005)

A simple and efficient methodology for the parallel solution-phase synthesis has been set up to obtain a series of thiouracils, in turn selectively S-benzylated under microwave irradiation to give new S-DABOs. Biological screening led to the identificatio

Dihydro-alkylthio-benzyl-oxopyrimidines as inhibitors of reverse transcriptase: Synthesis and rationalization of the biological data on both wild-type enzyme and relevant clinical mutants

Mugnaini, Claudia,Alongi, Maddalena,Togninelli, Andrea,Gevariya, Harsukh,Brizzi, Antonella,Manetti, Fabrizio,Bernardini, Cesare,Angeli, Lucilla,Tafi, Andrea,Bellucci, Luca,Corelli, Federico,Massa, Silvio,Maga, Giovanni,Samuele, Alberta,Facchini, Marcella,Clotet-Codina, Imma,Armand-Ugón, Mercedes,Esté, José A.,Botta, Maurizio

, p. 6580 - 6595 (2008/04/12)

A series of novel S-DABO analogues, characterized by different substitution patterns at positions 2, 5, and 6 of the heterocyclic ring, were synthesized in a straightforward fashion by means of parallel synthesis and evaluated as inhibitors of human immun

5-alkyl-2-(alkylthio)-6-(2,6-dihalophenylmethyl)-3,4-dihydropyrimidin- 4(3H)-ones: Novel potent and selective dihydro-alkoxy-benzyl-oxopyrimidine derivatives

Mai, Antonello,Artico, Marino,Sbardella, Gianluca,Massa, Silvio,Novellino, Ettore,Greco, Giovanni,Loi, Anna Giulia,Tramontano, Enzo,Marongiu, Maria Elena,La Colla, Paolo

, p. 619 - 627 (2007/10/03)

Molecular modeling analysis of compounds belonging to the recently published series of dihydro-alkoxy-benzyl-oxopyrimidines (DABOs), such as S- DABOs and DATNOs, gave support to the design of new 2,6-disubstituted benzyl- DABO derivatives as highly potent

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