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3-(2,5-dimethyl-phenyl)-2-phenyl-2,3-dihydro-benzo[e][1,3]oxazin-4-one is a complex organic compound with a molecular formula of C21H19NO2. It is characterized by a benzo[e][1,3]oxazine core, which is a fused ring system consisting of a benzene ring and an oxazine ring. The compound features a 2,5-dimethylphenyl group attached to the 3-position of the benzo[e][1,3]oxazine, and a phenyl group at the 2-position. The molecule also contains a 2,3-dihydro structure, indicating the presence of a double bond between carbons 2 and 3, which has been reduced to a single bond, and a carbonyl group (C=O) at the 4-position. This chemical structure is significant in the field of organic chemistry and may have potential applications in pharmaceuticals or materials science due to its unique properties and reactivity.

1697-13-8

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1697-13-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1697-13-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 7 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1697-13:
(6*1)+(5*6)+(4*9)+(3*7)+(2*1)+(1*3)=98
98 % 10 = 8
So 1697-13-8 is a valid CAS Registry Number.

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