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403646-54-8

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403646-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 403646-54-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,3,6,4 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 403646-54:
(8*4)+(7*0)+(6*3)+(5*6)+(4*4)+(3*6)+(2*5)+(1*4)=128
128 % 10 = 8
So 403646-54-8 is a valid CAS Registry Number.

403646-54-8Downstream Products

403646-54-8Relevant articles and documents

Versatile application of trifluoromethyl triflate

Kolomeitsev, Alexander A.,Vorobyev, Mikhail,Gillandt, Hartmut

, p. 449 - 454 (2008/09/18)

Hydrolytically stable and easy to handle trifluoromethyl triflate was found to be a liquid reservoir of 'masked' difluorophosgene. Anhydrous F- sources cleave the S-O bond in trifluoromethyl triflate yielding quantitatively the trifluoromethanolate salts, being useful trifluoromethoxy group carriers. Reaction of trifluoromethanolates with in situ generated from o-trimethylsilylphenyl triflate benzyne leads to (trifluoromethoxy)benzene and fluorobenzene (ratio 85:15). Whereas an addition of trifluoromethanethiolate anion across a triple bond of benzyne leads to [(trifluoromethyl)sulfanyl]benzene solely.

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