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138169-68-3

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138169-68-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138169-68-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,1,6 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 138169-68:
(8*1)+(7*3)+(6*8)+(5*1)+(4*6)+(3*9)+(2*6)+(1*8)=153
153 % 10 = 3
So 138169-68-3 is a valid CAS Registry Number.

138169-68-3Upstream product

138169-68-3Downstream Products

138169-68-3Relevant articles and documents

ELECTROCHEMICAL FLUOROSULFATION OF TETRAFLUOROETHYLENE

Rogovik, V. M.,Cherstkov, V. F.,Grinberg, V. A.,Vasil'ev, Yu. B.,Petrleitner, M. G.,et al.

, p. 2071 - 2074 (1991)

Electrooxidation of certain fluoroolefins on platinum and glass-carbon in fluorosulfonic acid has been studied.The large difference in oxidation potential of tetrafluoroethylene and the fluorosulfate anion makes it possible to carry out fluorosulfation via an ECEC mechanism.Potentiostatic preparative electrolysis at limiting-current potentials for oxidation of tetrafluoroethylene (E=1.5 V) yields a mixture of α,ω-bis-fluorosulfates which is almost quantitative with respect to current, the main component being 1,2-bis(fluorosulfato)tetrafluoroethane.

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