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82845-98-5

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82845-98-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82845-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,4 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 82845-98:
(7*8)+(6*2)+(5*8)+(4*4)+(3*5)+(2*9)+(1*8)=165
165 % 10 = 5
So 82845-98-5 is a valid CAS Registry Number.

82845-98-5Downstream Products

82845-98-5Relevant articles and documents

Selenoxide Elimination for the Synthesis of Unsaturated-Sugar Uracil Nucleosides

Haraguchi, Kazuhiro,Tanaka, Hiromichi,Maeda, Hideaki,Itoh, Yoshiharu,Saito, Shigeru,Miyasaka, Tadashi

, p. 5401 - 5408 (1991)

Introduction of a phenylseleno group to the sugar portion of uracil nucleosides and selenoxide elimination reactions of the resulting selenium-containing derivatives are described.A phenylselenide anion prepared by reducing (PhSe)2 with LiAlH4 was found to be highly reactive.By using this selenide as a nucleophile, ring openings of various types of cyclonucleosides and nucleosides having an anhydro structure in the sugar portion were accomplished.The products, which contain a phenylseleno group in the sugar portion, were oxidized with m-CPBA in CH2Cl2, and their susceptibility to the selenoxide elimination and regiochemistry of the reaction was investigated.

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