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140685-78-5

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140685-78-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140685-78-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,6,8 and 5 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 140685-78:
(8*1)+(7*4)+(6*0)+(5*6)+(4*8)+(3*5)+(2*7)+(1*8)=135
135 % 10 = 5
So 140685-78-5 is a valid CAS Registry Number.

140685-78-5Relevant articles and documents

Selective catalytic synthesis of α-alkylated ketones and β-disubstituted ketones via acceptorless dehydrogenative cross-coupling of alcohols

Bhattacharyya, Dipanjan,Sarmah, Bikash Kumar,Nandi, Sekhar,Srivastava, Hemant Kumar,Das, Animesh

supporting information, p. 869 - 875 (2021/02/06)

Herein, a phosphine-free pincer ruthenium(III) catalyzed β-alkylation of secondary alcohols with primary alcohols to α-alkylated ketones and two different secondary alcohols to β-branched ketones are reported. Notably, this transformation is environmentally benign and atom efficient with H2O and H2 gas as the only byproducts. The protocol is extended to gram-scale reaction and for functionalization of complex vitamin E and cholesterol derivatives.

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