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3-chloro-3,3-difluoro-2-methylpropene is a halogenated alkene with the chemical formula C4H5ClF2. It is a colorless liquid with a pungent odor, and it is synthesized by the addition of chlorine and fluorine to 2-methylpropene. 3-chloro-3,3-difluoro-2-methylpropene is characterized by its unique structure, which includes a 2-methylpropene backbone with a chlorine atom at the 3-position and two fluorine atoms at the same position. It is an important intermediate in the production of various pharmaceuticals, agrochemicals, and specialty chemicals due to its reactive nature and the presence of multiple functional groups. The compound is sensitive to heat and light, and it should be stored under controlled conditions to maintain its stability.

373-99-9

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373-99-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 373-99-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,7 and 3 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 373-99:
(5*3)+(4*7)+(3*3)+(2*9)+(1*9)=79
79 % 10 = 9
So 373-99-9 is a valid CAS Registry Number.

373-99-9Upstream product

373-99-9Downstream Products

373-99-9Relevant academic research and scientific papers

Aluminum oxide-induced gas-phase ring-opening in methyl substituted gem-difluorocyclopropanes, leading to 2-fluorobuta-1,3-dienes and vinylacetylenes

Volchkov,Lipkind,Novikov,Nefedov

, p. 658 - 663 (2015/11/27)

A gas-phase pyrolysis of methyl-substituted gem-difluorocyclopropanes in a flow-tube reactor in the presence of Al2O3 at 185 - 250 °C gives 2-fluorobuta-1,3-dienes and vinylacetylenes.

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