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74512-41-7

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74512-41-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74512-41-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,1 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74512-41:
(7*7)+(6*4)+(5*5)+(4*1)+(3*2)+(2*4)+(1*1)=117
117 % 10 = 7
So 74512-41-7 is a valid CAS Registry Number.

74512-41-7Downstream Products

74512-41-7Relevant articles and documents

Synthesis of Perfluoroalkyl Trifluoromethanesulfonates from Perfluoroalkyl Halides. Substitutive Electrophilic Dehalogenation with Chlorine(I) and Bromine(I) Trifluoromethanesulfonates

Katsuhara, Yutaka,DesMarteau, Darryl D.

, p. 2681 - 2686 (2007/10/02)

The reactions of chlorine(I) and bromine(I) trifluoromethanesulfonates with a variety of perfluoroalkyl halides are reported.The reactions form Br2, Cl2, or BrCl and the corresponding trifluoromethanesulfonate derivatives of the alkyls in good yields.Twelve new esters are reported and characterized.An SEi-type mechanism for the reactions is proposed with complete retention of configuration by the alkyl on substitution.

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