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1427772-22-2

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1427772-22-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1427772-22-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,7,7,7 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1427772-22:
(9*1)+(8*4)+(7*2)+(6*7)+(5*7)+(4*7)+(3*2)+(2*2)+(1*2)=172
172 % 10 = 2
So 1427772-22-2 is a valid CAS Registry Number.

1427772-22-2Downstream Products

1427772-22-2Relevant articles and documents

Bronsted acid-surfactant-combined catalyst for the Mannich reaction in water

Chang, Tao,He, Leqin,Bian, Li,Han, Haiyan,Yuan, Mingxia,Gao, Xiaorui

, p. 727 - 731 (2014)

A series of Bronsted acid-surfactant-combined catalysts (BASCs) functionalised with different acids have been synthesized and applied to catalyze the three-component Mannich reaction with aldehyde, acetone and amine at 25 °C in water. The effects of cation tail length and ions of the ionic liquid and the recyclability of the catalysts and BASC acidity (H0) were investigated. The results demonstrated that the 3-(N,N- dimethyloctylammonium) propanesulfonic acid toluene sulfate ([DOPA][Tos]) provide the best catalytic activity because of the formation of emulsions during the reaction. The catalytic procedure was simple and the catalyst could be recycled 9 times by simple separating processes without noticeably decreasing the catalytic activity. The Royal Society of Chemistry 2014.

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