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108818-10-6

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108818-10-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108818-10-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,8,1 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 108818-10:
(8*1)+(7*0)+(6*8)+(5*8)+(4*1)+(3*8)+(2*1)+(1*0)=126
126 % 10 = 6
So 108818-10-6 is a valid CAS Registry Number.

108818-10-6Relevant articles and documents

Total Synthesis of (+)-Nojirimycin and (+)-1-Deoxynojirimycin

Iida, Hideo,Yamazaki, Naoki,Kibayashi, Chihiro

, p. 3337 - 3342 (2007/10/02)

An efficient chiral synthesis of (+)-nojirimycin (1) and (+)-1-deoxynojirimycin (2) has been achieved in optically pure form via the common intermediate 11 derived from the nonsugar chiral pool.The monosilyl derivative 4 of 2,3-O-isopropylidene-L-threitol (3) was converted to the (E)-allyl alcohol 8, which upon asymmetric epoxidation provided the syn epoxide 9.Regio- and stereoselective epoxide opening reaction of 9 followed by methoxymethylation yielded the azide 11, which afforded in five steps (+)-1-deoxynojirimycin (2).The azide 11 could also serve as the intermediate for the synthesis of (+)-nojirimycin (1), which was thus derived from 11 in six steps.

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