115749-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 115749-42-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,5,7,4 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 115749-42:
(8*1)+(7*1)+(6*5)+(5*7)+(4*4)+(3*9)+(2*4)+(1*2)=133
133 % 10 = 3
So 115749-42-3 is a valid CAS Registry Number.
InChI:InChI=1/C10H7N3S/c1-3-9(14-6-1)8-7-13-5-2-4-11-10(13)12-8/h1-7H
115749-42-3Relevant articles and documents
Hypervalent iodine(III) sulfonate mediated synthesis of 2-arylimidazo[1,2-a]pyrimidines in liquid PEG-400
Cheng, Hui-Ting,Hou, Rei-Sheu,Wang, Huey-Min,Kang, Iou-Jiun,Lin, Pei-Ying,Chena, Ling-Ching
, p. 632 - 635 (2009)
PEG-400[poly(ethylene glycol-400)] is used as a "green" recyclable solvent in the one-pot synthesis of 2-arylimidazo[1,2-a]pyrimidines by reaction with ketones, [hydroxyl(2,4-dinitrobenzenesulfonyloxy)-iodo]benzene (HDNIB), and 2-aminopyrimidine. Signific