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331463-26-4

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331463-26-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 331463-26-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,1,4,6 and 3 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 331463-26:
(8*3)+(7*3)+(6*1)+(5*4)+(4*6)+(3*3)+(2*2)+(1*6)=114
114 % 10 = 4
So 331463-26-4 is a valid CAS Registry Number.

331463-26-4Downstream Products

331463-26-4Relevant articles and documents

Chemistry of trichlorofluromethane: Synthesis of chlorofluromethyl phenyl sulfone and fluoromethyl phenyl sulfone and some of their reactions

Saikia,Tsuboi

, p. 643 - 647 (2007/10/03)

It was observed that the reaction of CFCl3 with thiophenoxide gave only 10% of the corresponding thioether. On the other hand, these thioethers could be prepared in excellent yield from diaryl disulfides and CFCl3 in the presence of sodium hydroxymethanesulfinate in aqueous DMF at 4 atm pressure of nitrogen. Dechlorination of the thioether (PhSCFCl2) with different reducing agents were studied. Most of the reducing agents eliminated both fluorine and chlorine functionalities or gave the hydrolyzed products. But its sulfone on treatment with Zinc in methanol gave monochlorofluoromethyl and fluoromethyl phenyl sulfone in good yields. Darzens reaction of these compounds was also studied.

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