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33539-22-9

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33539-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33539-22-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,3 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33539-22:
(7*3)+(6*3)+(5*5)+(4*3)+(3*9)+(2*2)+(1*2)=109
109 % 10 = 9
So 33539-22-9 is a valid CAS Registry Number.

33539-22-9Downstream Products

33539-22-9Relevant articles and documents

A New and Facile Iodine(III)-Mediated Approach for the Regioselective Alkoxylation of 2,5-Dihydroxyacetophenone

Prakash, Om,Pundeer, Rashmi,Kaur, Harpreet

, p. 2768 - 2770 (2007/10/03)

Oxidation of 2,5-dihydroxyacetophenone with iodobenzene diacetate (IBD) in different alcohols leads to regioselective alkoxylation, thereby providing a new and convenient route for the synthesis of 6-alkoxy-2,5- dihydroxyacetophenones.

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