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535975-23-6

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535975-23-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 535975-23-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,3,5,9,7 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 535975-23:
(8*5)+(7*3)+(6*5)+(5*9)+(4*7)+(3*5)+(2*2)+(1*3)=186
186 % 10 = 6
So 535975-23-6 is a valid CAS Registry Number.

535975-23-6Relevant articles and documents

A novel synthesis of functionalized 1,1-difluoro-1-alkenes via isolable 2,2-difluorovinylsilanes

Ichikawa, Junji,Ishibashi, Yuichiro,Fukui, Hiroki

, p. 707 - 710 (2003)

Various 1,1-difluoro-1-alkenes such as monosubstituted 1,1-difluoro-1-alkenes, 2-bromo-1,1-difluoro-1-alkenes, and 1,1-difluoro-3-hydroxy-1-alkenes are prepared in two simple steps from 1-trifluoromethylvinylsilane: (i) its SN2′ reaction with nucleophiles to construct 2,2-difluorovinylsilanes and (ii) the subsequent substitution of electrophiles for the vinylic silyl group.

METHOD FOR PRODUCING SUBSTITUTED OLEFIN COMPOUND

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Paragraph 0076; 0079, (2017/04/27)

PROBLEM TO BE SOLVED: To provide a new method for producing a substituted olefin compound, in particular, a new method for producing a fluorine-containing olefin substituted with a boron-containing group or a silicon-containing group. SOLUTION: There is provided a method for producing a compound represented by the formula (1), which comprises a step of reacting a fluorinated olefin with a compound represented by the formula (3).[R1 to R3 represent H, F, an organic group or the like; RX represents -BX2 or -SiX3; X represents H, a halogen or an organic group; provided that X may form a ring together with adjacent B or Si; Y1 and Y2 each independently represent OH or an alkoxy group; provided that Y1 and Y2 may form a ring together with adjacent B.] SELECTED DRAWING: None COPYRIGHT: (C)2017,JPO&INPIT

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