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1221793-46-9

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1221793-46-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1221793-46-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,7,9 and 3 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1221793-46:
(9*1)+(8*2)+(7*2)+(6*1)+(5*7)+(4*9)+(3*3)+(2*4)+(1*6)=139
139 % 10 = 9
So 1221793-46-9 is a valid CAS Registry Number.

1221793-46-9Relevant articles and documents

Facile and stereo-controlled synthesis of 2-deoxynojirimycin, Miglustat and Miglitol

Zhang, Zhen-Xing,Wu, Baolin,Wang, Bin,Li, Tie-Hai,Zhang, Peng-Fei,Guo, Li-Na,Wang, Wen-Jun,Zhao, Wei,Wang, Peng George

, p. 3802 - 3804 (2011/08/09)

A novel and facile synthesis of a series of the biologically significant iminosugar derivatives including 2-deoxynojirimycin, Miglustat and Miglitol is reported. The synthesis features a strategic double inversion mechanism for securing the desired stereochemistry at C5 position of such glucose-type carbohydrate mimetics, representing a practical and remarkable improvement on the previously reported method that suffers from the loss of the stereo-control during the reaction process. Crown Copyright

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