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119433-11-3

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119433-11-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119433-11-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,4,3 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 119433-11:
(8*1)+(7*1)+(6*9)+(5*4)+(4*3)+(3*3)+(2*1)+(1*1)=113
113 % 10 = 3
So 119433-11-3 is a valid CAS Registry Number.

119433-11-3Relevant articles and documents

Chemistry and Stereochemistry of Iridoids, XVI. - EPC-Synthesis of (-)-Hypnophilin

Weinges, Klaus,Iatridou, Helene,Dietz, Uwe

, p. 893 - 902 (2007/10/02)

The synthesis of enantiomerically pure (-)-hypnophilin (27) from (6R,7R)-(-)-7-hydroxy-3-oxabicyclonon-1-en-9-one (1) is described. 1 was obtained in 93 percent yield from catalpol, which is readily available from the aqueous sodium carbonate extra

SYNTHESIS OF dl-CORIOLIN

Ito, Toshio,Tomiyoshi, Nobuya,Nakamura, Koki,Azuma, Shizuo,Izawa, Makoto,et al.

, p. 241 - 255 (2007/10/02)

The total synthesis of dl-coriolin has been achieved in a stereoselective way.The key tricyclic intermediate was synthesized from dicyclopentadiene through a route which involved an SN2 reaction at a neopentylic position.

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