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22244-95-7

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22244-95-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22244-95-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,2,4 and 4 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22244-95:
(7*2)+(6*2)+(5*2)+(4*4)+(3*4)+(2*9)+(1*5)=87
87 % 10 = 7
So 22244-95-7 is a valid CAS Registry Number.

22244-95-7Relevant articles and documents

Ultrasound-Promoted and Base-Mediated Regioselective Bromination of Imidazo[1,2- a ]pyridines with Pyridinium Tribromide

Jiang, Hongmei,Guo, Dingyi,Zhang, Yixin,Shen, Qin-Peng,Tang, Shiyun,You, Junheng,Huo, Yi,Wang, Huixian,Gui, Qing-Wen

, p. 2713 - 2720 (2020/09/15)

By using pyridinium tribromide as the bromo source, an efficient- and practical protocol for the synthesis of C3-brominated imidazo-[1,2- a ]pyridines through ultrasound-promoted and Na 2CO 3-mediated regioselective bromination of im

Influence of the 2-aryl group on the ipso electrophilic substitution process of 2-arylimidazo[1,2-a]pyridines

Salgado-Zamora, Hector,Velazquez, Manuel,Mejia, Daniel,Campos-Aldrete,Jimenez, Rogelio,Cervantes, Humberto

, p. 27 - 32 (2008/09/19)

A systematic study of electrophilic substitution reactions of 3-nitroso-2-arylimidazo[1,2-a]pyridine confirmed that the nitroso group may be ipso-substituted by bromine (NBS in DMF) and that bromine in turn may be substituted by the nitroso group. Electro

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