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103204-83-7

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103204-83-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 103204-83-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,0 and 4 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 103204-83:
(8*1)+(7*0)+(6*3)+(5*2)+(4*0)+(3*4)+(2*8)+(1*3)=67
67 % 10 = 7
So 103204-83-7 is a valid CAS Registry Number.

103204-83-7Relevant articles and documents

Copper-catalyzed direct α-ketoesterification of propiophenones with acetophenones via C(sp3)-H oxidative cross-coupling

Du, Juan,Zhang, Xiuli,Sun, Xi,Wang, Lei

, p. 4372 - 4375 (2015)

A novel copper-catalyzed direct α-ketoesterification of propiophenones with acetophenones via C(sp3)-H oxidative cross-coupling was developed. The reaction utilized O2 as a clean oxidant with high atom economy and the starting materials are facile and commercially available.

FUNGICIDAL HETERCYCLIC COMPOUNDS

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Page/Page column 138, (2009/09/05)

Disclosed are compounds of Formula (1), including all geometric and stereoisomers, N-oxides, and salts thereof, formula (1) wherein E, R2, G, Z1, J and n are as defined in the disclosure. Also disclosed are compositions containing th

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