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42104-28-9

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42104-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42104-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,0 and 4 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42104-28:
(7*4)+(6*2)+(5*1)+(4*0)+(3*4)+(2*2)+(1*8)=69
69 % 10 = 9
So 42104-28-9 is a valid CAS Registry Number.

42104-28-9Downstream Products

42104-28-9Relevant articles and documents

Synthesis of Allylic Sulfoxides from Alkenes by EtAlCl2-Catalyzed Ene Reaction with p-Toluenesulfinyl Chloride

Snider, Barry B.

, p. 3155 - 3156 (2007/10/02)

Ethylaluminum dichloride (EtAlCl2) catalyzes the ene reaction of alkenes with arylsulfinyl chlorides to give allylic sulfoxides since EtAlCl2 acts as a proton scavenger as well as a Lewis acid, reacting with the hydrogen chloride produced in the reaction to give aluminum trichloride and ethane.

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