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3,11b-dibenzyl-2-phenyl-2,3,7,11b-tetrahydroanthra<1,9-de><1,3>oxazin-7-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

133286-55-2

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133286-55-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133286-55-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,2,8 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 133286-55:
(8*1)+(7*3)+(6*3)+(5*2)+(4*8)+(3*6)+(2*5)+(1*5)=122
122 % 10 = 2
So 133286-55-2 is a valid CAS Registry Number.

133286-55-2Relevant academic research and scientific papers

Synthesis of 2,6-Dihydronaphthindol-6-ones

Arai, Sadao,Yamauchi, Sigeaki,Yamagishi, Takamichi,Hida, Mitsuhiko

, p. 324 - 326 (1991)

The reaction of 1-aminoanthraquinone with benzyl chloride in KOH-DMSO system afforded 3,11b-dibenzyl-2-phenyl-2,3,7,11b-tetrahydroanthraoxazin-7-one (5; 78percent yield), whose structure was determined by single-crystal X-ray diffraction.The reaction of compound 5 with aluminium chloride gave 1-phenyl-2,6-dihydronaphthindol-6-one (52percent yield) having strong fluorescence.

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