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Trifluoromethylmercaptoisocyanate, also known as trifluoromethyl thioisocyanate, is a chemical compound with the formula CF3SCN. It is a colorless liquid that is highly reactive and sensitive to moisture and air. trifluoromethylmercaptoisocyanate is an important intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is typically produced through the reaction of trifluoromethylmercaptan with isocyanates. Due to its reactivity, trifluoromethylmercaptoisocyanate is often used in the preparation of trifluoromethylthio-containing compounds, which are valuable for their unique properties and applications in various industries.

691-03-2

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691-03-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 691-03-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 1 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 691-03:
(5*6)+(4*9)+(3*1)+(2*0)+(1*3)=72
72 % 10 = 2
So 691-03-2 is a valid CAS Registry Number.

691-03-2Upstream product

691-03-2Relevant academic research and scientific papers

Preparation and Properties of Tetrakis(trifluoromethylthiazyl), (CF3SN)4

Bielefeldt, Dietmar,Haas, Alois

, p. 1257 - 1260 (2007/10/02)

Tetrakis(trifluoromethylthiazyl) was prepared from CF3SCl and (CH3)3SiN3.At -30 deg C it is stable for a few days.On standing it oligomerizes and after 7 days at 20 deg C the melting point is above 180 deg C.By addition of F2 to CF3SNCO at -78 deg C CF3S(F)N=C(O)F is formed in good yield.In the presence of HgF2 it decomposes at 25 deg C to (CF3SN)x. - 19F NMR, IR, UV, and mass spectra are given.

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