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1384849-55-1

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1384849-55-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1384849-55-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,8,4,8,4 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1384849-55:
(9*1)+(8*3)+(7*8)+(6*4)+(5*8)+(4*4)+(3*9)+(2*5)+(1*5)=211
211 % 10 = 1
So 1384849-55-1 is a valid CAS Registry Number.

1384849-55-1Relevant articles and documents

Synthesis of 1-alkyl-2-(trifluoromethyl)azetidines and their regiospecific ring opening toward diverse α-(trifluoromethyl)amines via intermediate azetidinium salts

Kenis, Sara,D'Hooghe, Matthias,Verniest, Guido,Dang Thi, Tuyet Anh,Pham The, Chinh,Van Nguyen, Tuyen,De Kimpe, Norbert

experimental part, p. 5982 - 5992 (2012/09/21)

A convenient approach toward nonactivated 1-alkyl-2-(trifluoromethyl) azetidines as a new class of constrained azaheterocycles was developed starting from ethyl 4,4,4-trifluoroacetoacetate via imination, hydride reduction, chlorination, and base-induced ring closure. Furthermore, the reactivity profile of these 2-CF3-azetidines was assessed by means of quaternization and subsequent regiospecific ring opening at C4 of the azetidinium intermediates by oxygen, nitrogen, carbon, sulfur, and halogen nucleophiles, pointing to a clear difference in reactivity compared to azetidines bearing other types of electron-withdrawing groups at C2.

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