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171877-91-1

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171877-91-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 171877-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,8,7 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 171877-91:
(8*1)+(7*7)+(6*1)+(5*8)+(4*7)+(3*7)+(2*9)+(1*1)=171
171 % 10 = 1
So 171877-91-1 is a valid CAS Registry Number.

171877-91-1Downstream Products

171877-91-1Relevant articles and documents

Synthesis of 3-deoxy-3-nucleobase-2,5-anhydro-D-mannitol: A novel class of hydroxymethyl-branched isonucleosides

Lei,Min,Zhang

, p. 2899 - 2906 (2007/10/03)

A concise synthesis of 3-deoxy-3-nucleobase-2,5-anhydro-D-mannitol 6(a- d) has been achieved, using the deamination of 2-amino-2-deoxy-D-glucose to construct in one step the sugar skeleton with the desired sense of chirality at each asymmetric center. The selective dibenzoylation of 2,5-anhydro-D- mannitol 9 was investigated, and the key epoxide intermediate 13 was obtained in good yield via an intramolecular Mitsunobu reaction. The process of opening of epoxide 13 by nucleobases appeared to be regioselective. (C) 2000 Elsevier Science Ltd.

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