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1422528-60-6

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1422528-60-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422528-60-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,5,2 and 8 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1422528-60:
(9*1)+(8*4)+(7*2)+(6*2)+(5*5)+(4*2)+(3*8)+(2*6)+(1*0)=136
136 % 10 = 6
So 1422528-60-6 is a valid CAS Registry Number.

1422528-60-6Downstream Products

1422528-60-6Relevant articles and documents

Synthesis of 2,4-unsubstituted quinoline-3-carboxylic acid ethyl esters from arylmethyl azides via a domino process

Tummatorn, Jumreang,Thongsornkleeb, Charnsak,Ruchirawat, Somsak,Gettongsong, Tanita

supporting information, p. 1463 - 1467 (2013/05/08)

A convenient synthesis of 2,4-unsubstituted quinoline-3-carboxylic acid ethyl esters via a domino process is described. The synthesis employs arylmethyl azides as the precursor which undergoes an acid-promoted rearrangement to give an N-aryl iminium ion. Following the addition with ethyl 3-ethoxyacrylate, intramolecular electrophilic aromatic substitution, elimination and subsequent oxidation, the quinoline products were obtained in moderate to excellent yields.

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