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146255-82-5

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146255-82-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146255-82-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,2,5 and 5 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 146255-82:
(8*1)+(7*4)+(6*6)+(5*2)+(4*5)+(3*5)+(2*8)+(1*2)=135
135 % 10 = 5
So 146255-82-5 is a valid CAS Registry Number.

146255-82-5Relevant articles and documents

Synthesis of Pyrrolophenanthridones By Aryl-Aryl Coupling Reactions

Black, David St. C.,Keller, Paul A.,Kumar, Naresh

, p. 151 - 164 (2007/10/02)

The N-aroyl-4,6-dimethoxyindoles (15-21), prepared from 4,6-dimethoxyindole (14), were converted by palladium acetate in acetic acid into the pyrrolophenanthridones (22-28) in moderate yields (30-65percent).These products are related to some pyrrolophenanthridone alkaloids, which lack the methoxy groups.Similar aryl-aryl coupling reactions of N-benzylindoles could not be effected.Keywords: Indoles, pyrrolophenanthridones, alkaloids, palladium acetate, aryl-aryl coupling.

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