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11-(3,5-dimethoxy-phenyl)-3,3,8,9-tetramethyl-2,4-dioxa-spiro[5.5]undec-8-ene-1,5-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

919092-58-3

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919092-58-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 919092-58-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,9,0,9 and 2 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 919092-58:
(8*9)+(7*1)+(6*9)+(5*0)+(4*9)+(3*2)+(2*5)+(1*8)=193
193 % 10 = 3
So 919092-58-3 is a valid CAS Registry Number.

919092-58-3Downstream Products

919092-58-3Relevant academic research and scientific papers

Modular synthesis of tetrahydrofluorenones from 5-alkylidene Meldrum's acids

Fillion, Eric,Dumas, Aaron M.,Hogg, Sylvia A.

, p. 9899 - 9902 (2006)

The one-pot synthesis of tetrahydrofluorenones, the core 6-5-6 tricyclic structural motif found in norditerpenoid natural products, from alkylidene Meldrum's acids via thermal Diels-Alder/BF3·OEt 2-catalyzed Friedel-Crafts acylation

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