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cis-3a,7a-dihydro-3a-phenyl-1H-inden-1-ol is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

73139-23-8

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73139-23-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73139-23-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,3 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 73139-23:
(7*7)+(6*3)+(5*1)+(4*3)+(3*9)+(2*2)+(1*3)=118
118 % 10 = 8
So 73139-23-8 is a valid CAS Registry Number.

73139-23-8Relevant academic research and scientific papers

Routes to 3aH-Indenes. Deprotonation and Methylation of some Indenones Bearing Ring Junction Substituents

Gilchrist, Thomas L.,Rees, Charles W.,Tuddenham, David

, p. 3221 - 3224 (2007/10/02)

The trienones (1), (2), and (3) have been converted into the corresponding enolate anions by reaction with potassium hydride below -10 deg C.Methyl fluorosulphonate was added to each solution: with the trienones (1) and (3), transient 3aH-indenes (4a) and

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