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13401-41-7

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13401-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13401-41-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,0 and 1 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 13401-41:
(7*1)+(6*3)+(5*4)+(4*0)+(3*1)+(2*4)+(1*1)=57
57 % 10 = 7
So 13401-41-7 is a valid CAS Registry Number.

13401-41-7Downstream Products

13401-41-7Relevant articles and documents

SYNTHESIS OF ISOFLAVANES AND INTERMEDIATES THEREOF

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Page/Page column 25, (2016/04/20)

Subject of the invention is a method for enantioselective production of an isoflavane from an isoflavone, comprising the steps: (a) selectively reducing the isoflavone, such that the 4-keto group of the isoflavone is converted to a 4-hydroxy group, and the 2,3-double bond of the isoflavone is converted to a 2,3-single bond, thereby obtaining a 4-hydroxy intermediate, and (b) reacting the 4-hydroxy intermediate with a chiral reagent, such that a chiral group is covalently attached to the C4-position of the 4-hydroxy intermediate, thereby obtaining a chiral intermediate. The invention also relates to intermediates of formulae (IV), (V), (VI) and (VII) obtainable in the inventive process.

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