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5910-32-7

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5910-32-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5910-32-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,1 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 5910-32:
(6*5)+(5*9)+(4*1)+(3*0)+(2*3)+(1*2)=87
87 % 10 = 7
So 5910-32-7 is a valid CAS Registry Number.

5910-32-7Relevant articles and documents

Tetraanthra[2,3-b,g,l,q]porphyrin

Aleshchenkov,Cheprakov,Beletskaya

, p. 212 - 215 (2008/12/22)

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A general synthetic method for 2-substituted anthracenes

Dehaen, Wim,Corens, David,L'Abbe, Gerrit

, p. 201 - 203 (2007/10/03)

Anthracenes bearing a primary alkyl, ω-hydroxyalkyl, aryl or vinyl substituent at the 2-position are conveniently prepared by a copper-catalyzed Grignard reaction on 2,3-epoxy-1,2,3,4-tetrahydroanthracene, followed by dehydration - dehydrogenation of the resulting alcohols with tetrachloro-1,2-benzoquinone (o-chloranil).

Synthesis and Properties of 1,1-Dihalogenocyclopropanthracenes

Mueller, Paul,Rey, Michel

, p. 1157 - 1166 (2007/10/02)

The synthesis of 1,1-difluoro-1H-cyclopropanthracene (3) is described.The key step of the synthesis is the cycloaddition of 1,2-dichloro-3,3-difluorocyclopropene (6) to 2,3-dimethylidene-1,2,3,4-tetrahydronaphthalene (5).The 13C-NMR. spectrum of 3 is assigned on the grounds of C,F-coupling constants, selective H-decoupling and the resulting residual C,H-coupling.The 1,1-dichloro derivative 4 was synthesized by the same route, but could not be isolated pure.Experiments for the reduction to 1H-cyclopropanthracene (2) and for the ionization of 3 or 4 to the cation 16 failed.

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