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perfluoro-1,1-dimethylindane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

128937-67-7

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128937-67-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128937-67-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,3 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 128937-67:
(8*1)+(7*2)+(6*8)+(5*9)+(4*3)+(3*7)+(2*6)+(1*7)=167
167 % 10 = 7
So 128937-67-7 is a valid CAS Registry Number.

128937-67-7Upstream product

128937-67-7Downstream Products

128937-67-7Relevant academic research and scientific papers

ISOMER CONVERSIONS IN PERFLUORO-1-ETHYLINDANE UNDER THE ACTION OF ANTIMONY PENTAFLUORIDE

Karpov, V. M.,Mezhenkova, T. V.,Platonov, V. E.

, p. 566 - 572 (2007/10/02)

Perfluoro-1-ethylindane on heating with SbF5 is isomerized to perfluoro-1,1-dimethylindane, perfluoro-α,β,o-trimethylstyrene, and perfluoro-1,2-dimethylindane.In the presence of SbF5, the latter two products are converted one into the other.In addition, in SbF5 perfluoro-1,2-dimethylindane is defluorinated to perfluoro-2,3-dimethylindene and fluorinated to perfluoro-2,3-dimethyl-4,5,6,7-tetrahydroindene which is further fluorinated to perfluoro-1,2-dimethyl-4,5,6,7-tetrahydroindane and is converted at 200 deg C to perfluoro-1,7-dimethylindane.The latter is also formed on heating perfluoro-α,β,o-trimethylstyrene with SbF5 at 200 deg C.

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