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221121-43-3

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221121-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221121-43-3 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, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 221121-43:
(8*2)+(7*2)+(6*1)+(5*1)+(4*2)+(3*1)+(2*4)+(1*3)=63
63 % 10 = 3
So 221121-43-3 is a valid CAS Registry Number.

221121-43-3Relevant articles and documents

Synthesis and biological evaluation of novel anti-hepatitis C virus (HCV) agents: 2-hydroxylphenethyl sulfanyl-oxopyrimidines

Wu, Daochun,Feng, Yue,Wang, Hua,Yang, Junfeng,Chen, Xian,Wang, Yueping,Cong Lai, Christopher,Zhang, Yufang,Li, Cong,Xia, Xueshan,He, Yanping

, p. 1388 - 1396 (2017/06/05)

A novel series of dihydro-hydroxyl-phene-thylsulfanyl-ω-cyclohexyl/phenyl-oxopyrimidine derivatives have been synthesized and their in vitro anti-hepatitis C virus activities have been evaluated using Huh 7.5.1 cells. Some of the compounds showed moderate

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 (2007/10/03)

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

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