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179690-96-1

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179690-96-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 179690-96-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,6,9 and 0 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 179690-96:
(8*1)+(7*7)+(6*9)+(5*6)+(4*9)+(3*0)+(2*9)+(1*6)=201
201 % 10 = 1
So 179690-96-1 is a valid CAS Registry Number.

179690-96-1Relevant articles and documents

Model studies related to CP-225,917: Stereocontrolled generation of the quaternary center

Clive, Derrick L. J.,Zhang, Junhu

, p. 12059 - 12068 (1999)

The enolate derived from ester 15 reacts with diketone 10 stereoselectively (10:1), and the major isomer can be converted into lactone 21. This rearranges in boiling 1,2-dichlorobenzene to afford the tricyclic lactone 22, a model compound which shares wit

Diastereoselective synthesis of the C17-C30 fragment of amphidinol 3

Rival, Nicolas,Hazelard, Damien,Hanquet, Gilles,Kreuzer, Thomas,Bensoussan, Charlelie,Reymond, Sébastien,Cossy, Janine,Colobert, Fran?oise

supporting information, p. 9418 - 9428 (2013/01/15)

The diastereoselective synthesis of the C17-C30 fragment of amphidinol 3 (AM3) 1 was achieved from the enantio-enriched aldehyde 20, Weinreb amide 14 and 2-bromo-3-(trimethylsilyl)propene, which was used as a bifunctional conjunctive reagent. The absolute configuration of the stereogenic centers, in both aldehyde 20 and Weinreb amide 14, were efficiently controlled by using (+)-(R)-methyl-p-tolylsulfoxide as the unique source of chirality.

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