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1005311-28-3

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1005311-28-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1005311-28-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,0,5,3,1 and 1 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1005311-28:
(9*1)+(8*0)+(7*0)+(6*5)+(5*3)+(4*1)+(3*1)+(2*2)+(1*8)=73
73 % 10 = 3
So 1005311-28-3 is a valid CAS Registry Number.

1005311-28-3Downstream Products

1005311-28-3Relevant articles and documents

Novel β-lactam condensed 3-thiaquinolines: an efficient synthesis and structural characterization

Csomós, Péter,Fodor, Lajos,Bernáth, Gábor,Sinkkonen, Jari,Salminen, Jari,Wiinam?ki, Kirsti,Pihlaja, Kalevi

, p. 1002 - 1011 (2008/09/17)

Quinoline analog 2-aryl-4H-3,1-benzothiazine derivatives 8-13, obtained by the condensation of o-aminobenzyl chloride 1 with?substituted thiobenzamides 2-7, were transformed to azeto[2,1-a][3,1]benzothiazin-1-one derivatives 18-23a,b,c and 24d,e by reaction with the corresponding substituted acetyl chlorides 14-17 in the presence of triethylamine. The structures of the new molecules were determined by NMR spectroscopy and electron ionization (EI) mass spectrometry. The typical EI+ mass spectrometric fragmentations of 8-13 and 18-23a,b,c and 24d,e are discussed in detail.

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