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148835-11-4

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148835-11-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 148835-11-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,8,8,3 and 5 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 148835-11:
(8*1)+(7*4)+(6*8)+(5*8)+(4*3)+(3*5)+(2*1)+(1*1)=154
154 % 10 = 4
So 148835-11-4 is a valid CAS Registry Number.

148835-11-4Relevant articles and documents

A diastereoselective tandem metalloenamine alkylation/aza-annulation of β-tetralones expedites the synthesis of benzoquinolinones

Audia, James E.,Droste, James J.,Dunigan, James M.,Bowers, John,Heath, Perry C.,Holme, Dale W.,Eifert, Jill H.,Kay, Harry A.,Miller, Richard D.,Olivares, Jorge M.,Rainey, Thomas F.,Weigel, Leland O.

, p. 4121 - 4124 (2007/10/03)

In one operation, metalloenamines derived from R-phenylethylamine (PEA) and a β-tetralone were treated with an electrophile followed by acrylic anhydride. The unpurified lactams were reduced to give 10b-angular benzoquinolinones (BQs).

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