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32400-20-7

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32400-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32400-20-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,4,0 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 32400-20:
(7*3)+(6*2)+(5*4)+(4*0)+(3*0)+(2*2)+(1*0)=57
57 % 10 = 7
So 32400-20-7 is a valid CAS Registry Number.

32400-20-7Relevant articles and documents

Sequential hydrozirconation/cyclization of dienes, a new route toward trans 2-substituted vinylcyclopentanes

Clergue, Sebastien,Vasse, Jean-Luc

supporting information, p. 1506 - 1509 (2014/04/03)

The diastereoselective synthesis of trans-2-substituted vinylcyclopentanes is described. The method is based on the intramolecular coupling of 7-methoxy-1,5-dienes involving a sequential activation of the C=C double bonds via hydrozirconation and TMSOTf-promoted allylation.

Detection of hydrogen peroxide with optical indicator chalcogen compounds

-

, (2008/06/13)

Optical indicator chalcogen (selenide or sulfide) compounds responsive to oxidants, e.g., hydrogen peroxide, and a method for using such indicators. Upon oxidation the resulting intermediate undergoes spontaneous elimination of the chalcogen residue to yi

Prostaglandins of the D series, and tranquilizers and soporifics containing the same

-

, (2008/06/13)

The present invention provides novel prostaglandins D, that is, 13,14-dihydro-15-keto-PGDs, which have an excellent sedative and sleep-inducing activity, and so they are useful for tranquilizer and/or soporifics.

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