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82995-86-6

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82995-86-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82995-86-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,9,9 and 5 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82995-86:
(7*8)+(6*2)+(5*9)+(4*9)+(3*5)+(2*8)+(1*6)=186
186 % 10 = 6
So 82995-86-6 is a valid CAS Registry Number.

82995-86-6Downstream Products

82995-86-6Relevant articles and documents

Synthesis of Benzyl and Benzyloxycarbonyl Base-Blocked 2'-Deoxyribonucleosides

Watkins, Bruce E.,Rapoport, Henry

, p. 4471 - 4477 (2007/10/02)

Acylimidazoles have been alkylated with trialkyloxonium tetrafluoroborates to form acylimidazolium salts.These salts, particularly (benzyloxycarbonyl)imidazolium salts, are shown to be effective agents for the direct, mono-N-protection of deoxynucleosides as their acyl derivatives.These acyl nucleosides are also available via thiocarbamate intermediates.Thus 3',5'-bis(tert-butyldimethylsilyl)-2'-deoxyguanosine (4b), on treatment with phenyl chlorothioformate, gave the 6-thiophenyl-substituted purine 38a.The thiophenyl group of 38a can be replaced by hydrogen, amino, and alkoxy groups to give a variety of substituted purine deoxyribonucleosides.

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