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497830-82-7

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497830-82-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 497830-82-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,9,7,8,3 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 497830-82:
(8*4)+(7*9)+(6*7)+(5*8)+(4*3)+(3*0)+(2*8)+(1*2)=207
207 % 10 = 7
So 497830-82-7 is a valid CAS Registry Number.

497830-82-7Relevant articles and documents

An intramolecular oxo Diels-Alder approach to 1-oxo-1,2,3,3a,4,7a- hexahydro-pyrano[3,4-c]pyrrole-4-carboxylic acid ethyl esters

Murray, William V.,Mishra, Pranab K.,Turchi, Ignatius J.,Sawicka, Dorota,Maden, Amy,Sun, Sengen

, p. 8955 - 8961 (2007/10/03)

The diastereoselective synthesis of a series of 1-oxo-1,2,3,3a,4,7a- hexahydro-pyrano[3,4-c]pyrrole-4-carboxylic acid ethyl esters via an oxo Diels-Alder reaction is described. Ab initio calculations predicted the products of the exo cycloaddition to be the thermodynamic products while the products resulting from the endo cycloaddition were predicted to be the kinetic products. The calculations were born out by experimental data.

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