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156777-76-3

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156777-76-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156777-76-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,7,7 and 7 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 156777-76:
(8*1)+(7*5)+(6*6)+(5*7)+(4*7)+(3*7)+(2*7)+(1*6)=183
183 % 10 = 3
So 156777-76-3 is a valid CAS Registry Number.

156777-76-3Downstream Products

156777-76-3Relevant articles and documents

Reactions of trifluoromethylthiocopper with halomethanes

Munavalli,Rossman,Rohrbaugh,Ferguson,Durst

, p. 7 - 13 (2007/10/03)

The reaction of trifluoromethylthiocopper with halomethanes, namely di-and triiodo-, dibromodichloro-, dibromochlorofluoro-, dibromo-difluoro-, bromochlorofluoro-, phenyltrichloro-, bromocyano-and dibromofluoro-methanes, has been investigated in detail. In addition to the expected compounds, the formation of unusual products such as bis (trifluoromethyl) trithiocarbonate, dimethyl (trifluoromethylthio) benzene, bis (trifluoromethylthio) fluoromethane, (trifluoromethylthio) carbonyl fluoride, carbon disulfide, carbon tetrachloride, trifluoromethylthio-benzoate, etc. was observed. In some cases, bis (trifluoromethylthio) mercury has been used instead of trifluoromethylthiocopper. The mechanism of formation of the various products and their mass spectral fragmentation behavior are described.

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