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73194-33-9

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73194-33-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73194-33-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,9 and 4 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73194-33:
(7*7)+(6*3)+(5*1)+(4*9)+(3*4)+(2*3)+(1*3)=129
129 % 10 = 9
So 73194-33-9 is a valid CAS Registry Number.

73194-33-9Relevant articles and documents

2-phenylthio-3,3,3-trifluoropropene, its sulfoxide and sulfone : Synthesis and reactivity in 1,3-dipolar cycloadditions

Plancquaert, Marie-Aimee,Redon, Martine,Janousek, Zdenek,Viehe, Heinz G.

, p. 4383 - 4396 (2007/10/03)

Derivatives of 3,3,3-trifluoropropene 1 : α-sulfide 2, sulfoxide 3, sulfone 4 and bromide 6 are useful trifluoromethylated synthons. On reaction with diazo compounds, these derivatives can afford trifluoromethyl substituted pyrazolines, pyrazoles, cyclopropanes or allylsulfones in fair to excellent yields. 1,3-Dipolar cycloaddition of trifluoropropene derivatives 2-4 with N-benzyl-azomethine ylide provides disubstituted 3-trifluoromethyl-pyrrolidines.

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