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31615-98-2

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31615-98-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31615-98-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,6,1 and 5 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 31615-98:
(7*3)+(6*1)+(5*6)+(4*1)+(3*5)+(2*9)+(1*8)=102
102 % 10 = 2
So 31615-98-2 is a valid CAS Registry Number.

31615-98-2Relevant articles and documents

Methods of treating hepatitis delta virus infection with beta-l-2'-deoxy-nucleosides

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, (2008/06/13)

A method and composition for treating a host infected with hepatitis D comprising administering an effective hepatitis D treatment amount of a described 2′-deoxy-β-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof.

β-L-2'-deoxy-nucleosides for the treatment of hepatitis B

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, (2008/06/13)

This invention is directed to a method for treating a host infected with hepatitis B comprising administering an effective amount of an anti-HBV biologically active 2′-deoxy-β-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof, wherein the 2′-deoxy-β-L-erythro-pentofuranonucleoside has the formula: wherein R is selected from the group consisting of H, straight chained, branched or cyclic alkyl, CO-alkyl, CO-aryl, CO-alkoxyalkyl, CO-aryloxyalkyl, CO-substituted aryl, alkylsulfonyl, arylsulfonyl, aralkylsulfonyl, amino acid residue, mono, di, or triphosphate, or a phosphate derivative; and BASE is a purine or pyrimidine base which may be optionally substituted. The 2′-deoxy-β-L-erythro-pentofuranonucleoside or a pharmaceutically acceptable salt or prodrug thereof may be administered either alone or in combination with another 2′-deoxy-β-L-erythro-pentofuranonucleoside or in combination with another anti-hepatitis B agent.

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