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1633353-53-3

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1633353-53-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1633353-53-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,3,3,5 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1633353-53:
(9*1)+(8*6)+(7*3)+(6*3)+(5*3)+(4*5)+(3*3)+(2*5)+(1*3)=153
153 % 10 = 3
So 1633353-53-3 is a valid CAS Registry Number.

1633353-53-3Downstream Products

1633353-53-3Relevant articles and documents

Development of an iron(II)-catalyzed aerobic catechol cleavage and biomimetic synthesis of betanidin

Guimond, Nicolas,Mayer, Peter,Trauner, Dirk

, p. 9519 - 9523 (2014)

An aerobic iron(II)-catalyzed cleavage of catechols was developed. This reaction allows for the preparation of 2-methoxy-2H-pyrans that can be employed as versatile building blocks for synthesis. The utility of this biomimetic oxidative cleavage is featured in the synthesis of betanidin, a natural colorant with antioxidant properties. Cut and paste: An aerobic iron(II)-catalyzed oxidative cleavage of catechol was developed. This reaction allows the preparation of 2H-pyrans that can be employed as versatile building blocks for synthesis. The utility of this biomimetic cleavage is featured in the synthesis of betanidin, the aglycone of red beets' principal colorant and itself a valuable antioxidant (see scheme).

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