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1228170-99-7

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1228170-99-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228170-99-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,1,7 and 0 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1228170-99:
(9*1)+(8*2)+(7*2)+(6*8)+(5*1)+(4*7)+(3*0)+(2*9)+(1*9)=147
147 % 10 = 7
So 1228170-99-7 is a valid CAS Registry Number.

1228170-99-7Upstream product

1228170-99-7Downstream Products

1228170-99-7Relevant academic research and scientific papers

Synthesis of Biindole-Diazo conjugates as a colorimetric anion receptor

Lee, Gang Woo,Kim, Nam-Kyun,Jeong, Kyu-Sung

supporting information; experimental part, p. 2634 - 2637 (2010/08/07)

A colorimetric anion receptor based on an indole scaffold has been synthesized by incorporating an azobenzene chromophore to the 5-position of indole. The receptor binds anions by hydrogen bonds which are effectively transmitted through resonance to the chromophore to give rise to color changes. The cyanide ion induced a pronounced color change from light yellow to reddish orange, but less intense or negligible changes were observed with the other anions examined here.

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