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861721-54-2

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861721-54-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 861721-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,7,2 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 861721-54:
(8*8)+(7*6)+(6*1)+(5*7)+(4*2)+(3*1)+(2*5)+(1*4)=172
172 % 10 = 2
So 861721-54-2 is a valid CAS Registry Number.

861721-54-2Relevant articles and documents

Aromatic fluorocopolymers based on α-(difluoromethyl)styrene and styrene: Synthesis, characterization, and thermal and surface properties

Wolska, Joanna,Walkowiak-Kulikowska, Justyna,Szwajca, Anna,Koroniak, Henryk,Améduri, Bruno

, p. 41836 - 41849 (2019/01/03)

A study on the α-(difluoromethyl)styrene (DFMST) reactivity under conventional radical copolymerization conditions is presented. Although the homopolymerization of DFMST failed, its radical bulk copolymerization with styrene (ST) led to the synthesis of f

Syntheses of mono-, di-, and trifluorinated styrenic monomers

Walkowiak, Justyna,Del Campo, Teresa Martinez,Ameduri, Bruno,Gouverneur, Veronique

experimental part, p. 1883 - 1890 (2010/08/20)

Concise syntheses of gram quantities of three fluorinated -methylstyrenic monomers suitable for polymerisation studies are disclosed, all based on the use of reasonably priced commercially available starting materials and reagents. Georg Thieme Verlag Stuttgart New York.

Nucleophilic difluoromethylation of carbonyl compounds using TMSCF 2SO2Ph and Mg0-mediated desulfonylation

Ni, Chuanfa,Hu, Jinbo

, p. 8273 - 8277 (2007/10/03)

A new nucleophilic difluoromethylation chemistry using fluoride-induced (phenylsulfonyl)difluoromethylation with TMSCF2SO2Ph followed by the magnesium-metal-mediated desulfonylation has been achieved. This methodology is compatible w

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