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8-Hydroxy-9-(4-methoxy-benzoyl)-10-phenyl-11-oxa-tricyclo[6.2.1.02,7]undeca-2,4,6-triene-1-carboxylic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123456-49-5

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123456-49-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123456-49-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,5 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 123456-49:
(8*1)+(7*2)+(6*3)+(5*4)+(4*5)+(3*6)+(2*4)+(1*9)=115
115 % 10 = 5
So 123456-49-5 is a valid CAS Registry Number.

123456-49-5Relevant articles and documents

The Chemistry of Phthalidecarboxylic Acid. IV Michael Additions to Conjugated Ketones

Heisler, Teresa,Janowski, Wit K.,Prager, Rolf, H.,Thompson, Malcolm, J.

, p. 37 - 47 (2007/10/02)

Michael additions of methyl 3-oxo-1,3-dihydroisobenzofuran-1-carboxylate to conjugated ketones are reported.The use of amine catalysts gives only the kinetic product; the use of cinchonine and cinchonidine gives a single diastereoisomer with 67percent ena

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