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1527502-03-9

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1527502-03-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1527502-03-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,2,7,5,0 and 2 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1527502-03:
(9*1)+(8*5)+(7*2)+(6*7)+(5*5)+(4*0)+(3*2)+(2*0)+(1*3)=139
139 % 10 = 9
So 1527502-03-9 is a valid CAS Registry Number.

1527502-03-9Relevant articles and documents

CuI-catalyzed coupling of gem-dibromovinylanilides and sulfonamides: An efficient method for the synthesis of 2-amidoindoles and indolo[1,2-a] quinazolines

Kiruthika, Selvarangam E.,Perumal, Paramasivan Thirumalai

supporting information, p. 484 - 487 (2014/04/03)

A Cu(I)-catalyzed, intermolecular protocol for the synthesis of 2-amidoindoles and tetrahydroindolo[1,2-a]quinazolines in shorter time and high yields is reported. The key highlight of this disclosure is the formation of 2-amidoindole and tetrahydroindolo[1,2-a]quinazoline moieties directly from gem-dibromovinylanilides and sulfonamides in a one-pot fashion through the in situ formation of ynamides followed by a base-promoted intramolecular hydroamidation.

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