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66323-40-8

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66323-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66323-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,2 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 66323-40:
(7*6)+(6*6)+(5*3)+(4*2)+(3*3)+(2*4)+(1*0)=118
118 % 10 = 8
So 66323-40-8 is a valid CAS Registry Number.

66323-40-8Relevant articles and documents

Synthesis method of (1 beta, 2 alpha, 4 beta) halogenated nucleoside compound

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Paragraph 0094-0096, (2022/01/12)

The invention provides a synthesis method of a (1 beta, 2 alpha, 4 beta) halogenated nucleoside compound, and belongs to the field of organic synthesis. The synthesis method comprises the following steps of dissolving a compound 1 and a chiral phosphoric acid small-molecule catalyst in a solvent to obtain a mixed solution, adding an additive and a halogen source into the mixed solution, and carrying out an olefin asymmetric halogen cyclization reaction to prepare the (1 beta, 2 alpha, 4 beta) halogenated nucleoside compound as shown in a formula I. The synthesis method is simple and convenient in process, suitable for various reaction substrates and wide in application; and the synthesis method has high stereoselectivity on the beta-nucleoside compound and low cost, and the obtained beta-nucleoside compound has the advantages of high yield, high purity and very excellent effect. Meanwhile, the synthesis method is environment-friendly due to no use of a metal catalyst and the like. The synthesis method disclosed by the invention solves the technical problem of preparing the (1 beta, 4 beta) nucleoside compound in the prior art, can be used for efficiently preparing the (1 beta, 4 beta) nucleoside compound, and has a good application prospect.

Potential application of thymidylate kinase in nucleoside analogue activation in Plasmodium falciparum

Cui, Huaqing,Ruiz-Pérez, Luis M.,González-Pacanowska, Dolores,Gilbert, Ian H.

experimental part, p. 7302 - 7309 (2010/11/18)

Plasmodium falciparum thymidylate kinase (PfTMPK) shows a broad range of substrate tolerance when compared to the corresponding human enzyme. Besides 2′-deoxythymidine monophosphate (dTMP), PfTMPK can phosphorylate 3′-azido-2′,3′-dideoxythymidine monophos

A novel synthesis of AZT

Gauthier, Christine,Ramondenc, Yvan,Plé, Gérard

, p. 7513 - 7517 (2007/10/03)

A novel synthesis of AZT has been achieved from two commercial available products acetaldehyde and D-mannitol. The originality of the synthesis consists of using the powerful monovinylogation reagent, the 2-lithio-1-trimethylsiloxyethylene, and to introduce the thymine moiety and to build the furanose ring in the same and last step.

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