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98115-19-6

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98115-19-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98115-19-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,1,1 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 98115-19:
(7*9)+(6*8)+(5*1)+(4*1)+(3*5)+(2*1)+(1*9)=146
146 % 10 = 6
So 98115-19-6 is a valid CAS Registry Number.

98115-19-6Downstream Products

98115-19-6Relevant articles and documents

Preparation of 2,3-Dimethylene-2,3-dihydrobenzofuran by the Flash Vacuum Pyrolysis of (2-Methyl-3-benzofuryl)methyl Benzoate

Chou, Chin-Hsing,Trahanovsky, Walter S.

, p. 4208 - 4212 (2007/10/02)

Pyrolysis of (2-methyl-3-benzofuryl)methyl benzoate (7) gives a 30percent yield of two dimers of 2,3-dimethylene-2,3-dihydrobenzofuran (4), a dimer 12 and a dimer (13), in a ratio of 4.1 to 1.It is shown, by low-temperature 1H-NMR spectroscopy, that the primary pyrolysis product from 7 is 4, which forms 12 and 13 upon warming.The structure of the dimer 12 is confirmed by a deuterium-labeling experiment.Compound 4 can be trapped with methyl acrylate to form a 3.0 to 1 ratio of two Diels-Alder adducts.

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