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33288-22-1

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33288-22-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 33288-22-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,2,8 and 8 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33288-22:
(7*3)+(6*3)+(5*2)+(4*8)+(3*8)+(2*2)+(1*2)=111
111 % 10 = 1
So 33288-22-1 is a valid CAS Registry Number.

33288-22-1Relevant articles and documents

The organocatalytic synthesis of perfluorophenylsulfides: Via the thiolation of trimethyl(perfluorophenyl)silanes and thiosulfonates

Cai, Zhihua,Du, Guangfen,He, Lin,Lin, Muze,Luo, Jinyun,Wu, Leifang

supporting information, p. 9237 - 9241 (2021/11/13)

The organic superbase t-Bu-P4-catalyzed direct thiolation of trimethyl(perfluorophenyl)silanes and thiosulfonates was developed. Yields of perfluorophenylsulfides of up to 97% under catalysis of 5 mol% t-Bu-P4 were achieved. This method was shown to provide an efficient way to construct the perfluorophenyl-sulfur bond under mild metal-free reaction conditions. This journal is

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