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Benzenemethanol, 4-bromo-a-(1,1-difluoro-2-propenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189949-30-2

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189949-30-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189949-30-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,9,4 and 9 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 189949-30:
(8*1)+(7*8)+(6*9)+(5*9)+(4*4)+(3*9)+(2*3)+(1*0)=212
212 % 10 = 2
So 189949-30-2 is a valid CAS Registry Number.

189949-30-2Relevant academic research and scientific papers

α,α-Difluoroallyl carbanion: Indium-mediation in its facile coupling with aldehydes

Kirihara, Masayuki,Takuwa, Tomofumi,Takizawa, Shinobu,Momose, Takefumi

, p. 2853 - 2854 (1997)

Indium-mediated coupling of aldehydes with 3-bromo-3,3-difluoropropene gives 1-substituted-2,2-difluorobut-3-en-1-ols in high yields at room temperature. The coupling takes place at the gem-difluorocarbon selectively. Ketones are inert under the condition

Indium-mediated reaction of 3-bromo-3,3-difluoropropene and bromodifluoromethylacetylene derivatives with aldehydes

Kirihara, Masayuki,Takuwa, Tomofumi,Takizawa, Shinobu,Momose, Takefumi,Nemoto, Hideo

, p. 8275 - 8280 (2007/10/03)

Aldehydes reacted with 3-bromo-3,3-difluoropropene at the α-position in the presence of indium to afford 1-substituted-2,2-difluorobut-3-en-1-ols. Ketones and other electrophiles are inert under the examined conditions. The reaction of bromodifluoromethyl

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