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Propanedioic acid, (4,4-difluoro-3-butenyl)-, bis(phenylmethyl) ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

663618-73-3

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663618-73-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 663618-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,6,3,6,1 and 8 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 663618-73:
(8*6)+(7*6)+(6*3)+(5*6)+(4*1)+(3*8)+(2*7)+(1*3)=183
183 % 10 = 3
So 663618-73-3 is a valid CAS Registry Number.

663618-73-3Upstream product

663618-73-3Relevant academic research and scientific papers

Carbocyclization reactions of terminally difluorinated alkenyl active methine compounds mediated by SnCl4 and amine

Saito, Akio,Okada, Midori,Nakamura, Yuko,Kitagawa, Osamu,Horikawa, Hiroaki,Taguchi, Takeo

, p. 75 - 80 (2003)

Carbocyclization of terminally difluorinated 3-butenyl active methine compounds 1a-1e proceeded through the 5- endo mode, upon treating with SnCl4 and triethylamine to give fluorocyclopentene derivatives 3a-3e. Iodocarbocyclization of dimethyl

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