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20641-27-4

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20641-27-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20641-27-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,4 and 1 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20641-27:
(7*2)+(6*0)+(5*6)+(4*4)+(3*1)+(2*2)+(1*7)=74
74 % 10 = 4
So 20641-27-4 is a valid CAS Registry Number.

20641-27-4Relevant articles and documents

O-allylated pudovik and passerini adducts as versatile scaffolds for product diversification

Arseniyadis, Stellios,El Ka?m, Laurent,Kerim, Mansour Dole,Katsina, Tania,Cattoen, Martin,Fincias, Nicolas

supporting information, p. 12514 - 12525 (2020/11/10)

The palladium-catalyzed O-allylation of α-hydroxyphosphonates and α-hydroxyamides obtained from Pudovik and Passerini multicomponent reactions has allowed interesting and highly straightforward access to a variety of building blocks for product diversific

Copper-catalyzed synthesis of α-hydroxy phosphonates from H-phosphonates and alcohols or ethers

Zhao, Zengxiang,Xue, Wanhua,Gao, Yuxing,Tang, Guo,Zhao, Yufen

supporting information, p. 713 - 716 (2013/05/09)

Easy PC: α-Hydroxy phosphonates were synthesized by copper/tert-butyl hydroperoxide (TBHP)-catalyzed oxidative addition reactions of H-phosphonates with alcohols or ethers. Diverse α-hydroxy phosphonates were obtained from substituted benzyl alcohols or alkyl alcohols and alkyl ethers in moderate to good yields. Copyright

Mercaptophosphonate compounds as broad-spectrum inhibitors of the metallo-β-lactamases

Lassaux, Patricia,Hamel, Matthieu,Gulea, Mihaela,Delbrück, Heinrich,Mercuri, Paola Sandra,Horsfall, Louise,Dehareng, Dominique,Kupper, Micha?l,Frère, Jean-Marie,Hoffmann, Kurt,Galleni, Moreno,Bebrone, Carine

supporting information; experimental part, p. 4862 - 4876 (2010/10/18)

Although commercialized inhibitors of active site serine β-lactamases are currently used in coadministration with antibiotic therapy, no clinically useful inhibitors of metallo-β-lactamases (MBLs) have yet been discovered. In this paper, we investigated t

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