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140198-76-1

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140198-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140198-76-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,9 and 8 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 140198-76:
(8*1)+(7*4)+(6*0)+(5*1)+(4*9)+(3*8)+(2*7)+(1*6)=121
121 % 10 = 1
So 140198-76-1 is a valid CAS Registry Number.

140198-76-1Downstream Products

140198-76-1Relevant articles and documents

Addition of tetrachloromethane to trifluoroethene catalyzed by copper complexes

Kotora, M.,Hajek, M.

, p. 57 - 62 (1991)

The addition of tetrachloromethane to trifluoroethene catalyzed by copper complexes gives 1:1 adducts in up to 97percent yield under mild reaction conditions.The catalytic activity and the regioselectivity of copper, ruthenium and palladium complexes and dibenzoyl peroxide have been compared.Differeneces in regioselectivity indicate that the copper-coordinated trichloromethyl radical is involved in copper-assisted addition reactions, whilst free-radical species in an uncomplexed form play a role in other cases.

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