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3,3-difluoro-2-phenyl-4-phenylsulfanyl-pent-4-en-2-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

221557-79-5

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221557-79-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 221557-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,5,5 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 221557-79:
(8*2)+(7*2)+(6*1)+(5*5)+(4*5)+(3*7)+(2*7)+(1*9)=125
125 % 10 = 5
So 221557-79-5 is a valid CAS Registry Number.

221557-79-5Downstream Products

221557-79-5Relevant academic research and scientific papers

Allylation of novel β-phenylthio substituted gem-difluoroallylic bromide to carbonyl compounds

Jeong, Howa,Kim, Myong Sang,Kim, Bum Tae

, p. 235 - 241 (1999)

The reaction of β-phenylthio substituted gem-difluoroallylic bromide 3 with aldehydes and ketones in the presence of Zn(Cu) in THF at reflux temperature afforded the corresponding homoallylic alcohols 4 in good yields.

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