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3-Methoxy-17-phenyl-1,3,5(10),14(15),16(17)-estrapentaene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

109900-56-3

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109900-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109900-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,0 and 0 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 109900-56:
(8*1)+(7*0)+(6*9)+(5*9)+(4*0)+(3*0)+(2*5)+(1*6)=123
123 % 10 = 3
So 109900-56-3 is a valid CAS Registry Number.

109900-56-3Relevant academic research and scientific papers

Chiral Cyclopentadienes

Matcheva, Katerina,Beckmann, Marion,Schomburg, Dietmar,Winterfeldt, Ekkehard

, p. 814 - 817 (2007/10/02)

Efficient syntheses of enantiomerically pure cyclopentadienes which undergo stereoselective and regioselective high pressure cycloadditions with nonsymmetric dienophiles are reported.As these compounds show a quite high chemical as well as thermal stabili

DIENES AS CHIRAL TEMPLATES

Schomburg, Dietmar,Thielmann, Marion,Winterfeldt, Ekkehard

, p. 5833 - 5834 (2007/10/02)

Stereoselective and regioselective cycloadditions to the chiral cyclopentadiene 2 are reported.Diastereoselective transformations of the adducts followed by a thermal retroreaction yields pure enantiomers.

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