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20040-24-8

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20040-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20040-24-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,0,4 and 0 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20040-24:
(7*2)+(6*0)+(5*0)+(4*4)+(3*0)+(2*2)+(1*4)=38
38 % 10 = 8
So 20040-24-8 is a valid CAS Registry Number.

20040-24-8Downstream Products

20040-24-8Relevant articles and documents

Highly regioselective ring opening of epoxides with polymer supported phenoxide and naphthoxide anions

Tamami,Iranpoor,Rezaei

, p. 2789 - 2795 (2004)

Amberlite IRA-400 supported phenoxide and naphthoxide anions are easily prepared. These polymer supported reagents that are highly air stable are used for the regioselective ring opening reactions of different epoxides to give aryl ether alcohols in high yields under mild reaction conditions.

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