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Tris(2-tolyl)antimony difluoride, also known as (C6H5CH3)3SbF2, is an organoantimony compound that features a central antimony atom bonded to three 2-tolyl (methylphenyl) groups and two fluorine atoms. tris(2-tolyl)antimony difluoride is a derivative of antimony trifluoride, where one fluorine atom has been replaced by a 2-tolyl group. It is a colorless, crystalline solid that is sensitive to air and moisture, and it is typically used in organic synthesis as a reagent or catalyst. Due to its sensitivity, it is important to handle tris(2-tolyl)antimony difluoride with care, often under an inert atmosphere or in a glove box.

420-76-8

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420-76-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 420-76-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 420-76:
(5*4)+(4*2)+(3*0)+(2*7)+(1*6)=48
48 % 10 = 8
So 420-76-8 is a valid CAS Registry Number.

420-76-8Upstream product

420-76-8Relevant academic research and scientific papers

A versatile synthesis of triarylantimony difluorides by fluorination of triarylstibanes with nitrosyl tetrafluoroborate and their antitumor activity

Kitamura, Yuki,Matsumura, Mio,Murata, Yuki,Yamada, Mizuki,Kakusawa, Naoki,Tanaka, Motohiro,Okabe, Hiroyuki,Naka, Hiroshi,Obata, Tohru,Yasuike, Shuji

, p. 1 - 6 (2017)

Triarylantimony difluorides were synthesized in moderate to excellent yields by oxidative fluorination of triarylstibanes with nitrosyl tetrafluoroborate (NOBF4) under aerobic conditions. This reaction is the first example of fluorination of trivalent organoantimony compounds using NOBF4 as a fluorinating agent. The triarylantimony difluorides exhibited good anti-proliferation activity against tumor cell lines. In particular, the IC50 of p-Tol3SbF2 (2c) was the lowest in each cell lines.

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