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1262992-39-1

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1262992-39-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262992-39-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,9,9 and 2 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1262992-39:
(9*1)+(8*2)+(7*6)+(6*2)+(5*9)+(4*9)+(3*2)+(2*3)+(1*9)=181
181 % 10 = 1
So 1262992-39-1 is a valid CAS Registry Number.

1262992-39-1Relevant articles and documents

Sulfonamide and urea-based anions chemosensors

Hu, Fang,Cao, Meijiao,Huang, Juanyun,Chen, Zhao,Wu, Di,Xu, Zhiqiang,Liu, Sheng Hua,Yin, Jun

, p. 108 - 115 (2015/04/27)

The detection of anions has attracted considerable interest because of their importance in various physiological processes. In this study, two sulfonamide and urea-based compounds (1a and 1b) were successfully developed and their spectroscopic and anion recognition properties were fully investigated. These results showed that: (1) compounds showed high selectivity towards cyanide and fluoride ions in CH3CN; (2) compounds only exhibited a large change in fluorescence in the presence of cyanide ions in CH3CN-H2O (95:5, v/v); and (3) compound 1b could act as a gel in dimethyl sulfoxide that transforms into a homogeneous solution upon exposure to cyanide ions. This research suggests that sulfonamide and urea can act as hydrogen-bond donors and provides an alternative approach to the design of novel anion chemosensors.

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