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201603-51-2

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201603-51-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 201603-51-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,1,6,0 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 201603-51:
(8*2)+(7*0)+(6*1)+(5*6)+(4*0)+(3*3)+(2*5)+(1*1)=72
72 % 10 = 2
So 201603-51-2 is a valid CAS Registry Number.

201603-51-2Relevant articles and documents

Structurally simplified zaragozic acid (squalestatin): Stereoselective preparation of a 3,4-unsubstituted derivative

Ito, Hisanaka,Matsumoto, Miyoko,Yoshizawa, Takeshi,Takao, Ken-Ichi,Kobayashi, Susumu

, p. 9009 - 9012 (1997)

Stereoselective preparation of a structurally simplified 3,4-unsubstituted zaragozic acid derivative was achieved starting from D-glucose. The present approach involved the stereoselective addition of a vinyl Grignard reagent, selective cleavage of 1,2-diol, and regioselective acylation of the hydroxyl group at C-6.

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