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bis(3-p-anisylidene-2-oxocyclopentyl)methane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109918-75-4

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109918-75-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109918-75-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,1 and 8 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 109918-75:
(8*1)+(7*0)+(6*9)+(5*9)+(4*1)+(3*8)+(2*7)+(1*5)=154
154 % 10 = 4
So 109918-75-4 is a valid CAS Registry Number.

109918-75-4Relevant academic research and scientific papers

REACTION OF 1,5-DIKETONES. XLVIII. ALKALINE CONDENSATION OF BIS(2-OXOCYCLOPENTYL)METHANE WITH AROMATIC ALDEHYDES

Tilichenko, M. N.,Koroleva-Vasil'eva, I. A.,Akimova, T. I.

, p. 1725 - 1727 (2007/10/02)

With aromatic aldehydes in an alkaline water-alcohol solution bis(2-oxocyclopentyl)methane readily forms the corresponding bis(3-arylidene-2-oxocyclopentyl)methanes.When heated with ammonium acetate in acetic acid, the products change into 3,5-diarylidene

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