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(2E,4E)-2,3,4,5-Tetrafluoro-5-(4-trifluoromethyl-phenyl)-penta-2,4-dienoic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98749-18-9

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98749-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98749-18-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,7,4 and 9 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 98749-18:
(7*9)+(6*8)+(5*7)+(4*4)+(3*9)+(2*1)+(1*8)=199
199 % 10 = 9
So 98749-18-9 is a valid CAS Registry Number.

98749-18-9Downstream Products

98749-18-9Relevant academic research and scientific papers

TRANSMISSION OF ELECTRONIC EFFECTS IN CONJUGATED PERFLUOROPOLYENE SYSTEMS. III. 1-ARYL-4-CHLORO-1,2,3,4-TETRAFLUORO-1,3-BUTADIENES AND TRANS,TRANS-5-ARYL-2,3,4,5-TETRAFLUORO-2,4-PENTADIENOIC ACIDS

Kremlev, M. M.,Moklyachuk, L. I.,Fialkov, Yu. A.,Ignat'ev, N. V.,Yagupol'skii, L. M.

, p. 697 - 702 (2007/10/02)

In the reaction of arylmagnesium bromides with 1-chloroperfluoro-1,3-butadiene the corresponding 1-aryl-4-chloro-1,2,3,4-tetrafluoro-1,3-butadienes were synthesized.Their metallation followed by carbonization gave a series of trans,trans-5-aryl-2,3,4,5-te

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