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9,9-bis(3-chloro-2-methylphenyl)-10-oxo-9,10-dihydrophenanthrene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

98421-60-4

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98421-60-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98421-60-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,4,2 and 1 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 98421-60:
(7*9)+(6*8)+(5*4)+(4*2)+(3*1)+(2*6)+(1*0)=154
154 % 10 = 4
So 98421-60-4 is a valid CAS Registry Number.

98421-60-4Relevant academic research and scientific papers

Synthesis and Diatropicity of a Phenanthrene-Annelated trans-Dimethyldihydropyrene: A Novel Molecule To Indicate the High ?-Bond Order of the 9,10 bond of Phenanthrene

Lai, Yee-Hing

, p. 6678 - 6683 (2007/10/02)

The trans-phenanthrodimethyldihydropyrene 6 has been synthesized from phenanthraquinone and 2,6-dichlorotoluene in 0.3-0.5percent overall yield by using Stevens or Wittig rearrangements and a Hofmann elimination sequence on the thiacyclophane 8B followed

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