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113057-16-2

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113057-16-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113057-16-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,0,5 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 113057-16:
(8*1)+(7*1)+(6*3)+(5*0)+(4*5)+(3*7)+(2*1)+(1*6)=82
82 % 10 = 2
So 113057-16-2 is a valid CAS Registry Number.

113057-16-2Downstream Products

113057-16-2Relevant articles and documents

Oxidation of 2,3-Dimethyl-quinoxaline and 2,4-Dimethyl-quinazoline with Selenium Dioxide

Kepez, Mustafa

, p. 127 - 130 (1989)

The primary oxidation products of 2,3-dimethylquinoxaline with selenium dioxide are 3-methylquinoxaline-2-carbaldehyde, 1,3-dihydro-1,3-dihydroxyfuroquinoxaline and quinoxaline-2-carboxylic acid. 3-Methylquinoxaline-2-carboxylic acid can be obtained in a second oxidation step only. 2,4-Dimethylquinazoline is dehydrogenated by selenium dioxide to the heterocyclic stilbene derivative 8.Confirmation of structure of 8 is given by NMR spectroscopy. - Keywords: Oxidation of methyl groups; SeO2; Quinoxaline; Quinazoline

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