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9-ethyl-9,10-dihydrophenanthrene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

22139-41-9

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22139-41-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22139-41-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,1,3 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 22139-41:
(7*2)+(6*2)+(5*1)+(4*3)+(3*9)+(2*4)+(1*1)=79
79 % 10 = 9
So 22139-41-9 is a valid CAS Registry Number.

22139-41-9Downstream Products

22139-41-9Relevant academic research and scientific papers

SILICON MODIFIED REDUCTION AND REDUCTIVE ALKYLATION - APPLICATION TO THE PHENANTHRENE SYSTEM

Rabideau, Peter W.,Marcinow, Zbigniew

, p. 3761 - 3764 (1988)

A trimethylsilyl (TMS) substituent is used to control the metal-ammonia reduction of phenanthrenes.The TMS group is then removed by tetrabutylammonium fluoride (TBAF) and replaced by either H or R'.

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