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144284-93-5

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144284-93-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144284-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,2,8 and 4 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 144284-93:
(8*1)+(7*4)+(6*4)+(5*2)+(4*8)+(3*4)+(2*9)+(1*3)=135
135 % 10 = 5
So 144284-93-5 is a valid CAS Registry Number.

144284-93-5Downstream Products

144284-93-5Relevant articles and documents

New Aspects in the Reaction of Azomethines with Cyclic CH-Acidic Compounds

Hennig, Lothar,Alva-Astudillo, Mario,Mann, Gerhard,Kappe, Thomas

, p. 571 - 580 (2007/10/02)

Treatment of substituted benzylidene anilines 1a - f with cyclic CH-acidic compounds 2a - m in ethanol at room temperature yields in addition/elimination reactions the corresponding arylidene derivatives 4 and the 2:1 adducts 5.The addition products 3, which are formed as intermediates, could not be isolated in any case.The donor/acceptor effect of the substituents on the benzylidene moiety influences to a significant extent the reactivity towards the azomethine carbon. Keywords.Azomethine; CH-Acidic compound; Addition/elimination reaction.

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