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1217439-22-9

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1217439-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1217439-22-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,7,4,3 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1217439-22:
(9*1)+(8*2)+(7*1)+(6*7)+(5*4)+(4*3)+(3*9)+(2*2)+(1*2)=139
139 % 10 = 9
So 1217439-22-9 is a valid CAS Registry Number.

1217439-22-9Downstream Products

1217439-22-9Relevant academic research and scientific papers

Ultrasound promoted efficient method for the cleavage of 3-aryl-2,3-epoxyl-1-phenyl-1-propanone with indole

Li, Ji-Tai,Sun, Ming-Xuan,Yin, Ying

experimental part, p. 359 - 362 (2010/12/18)

An efficient synthesis of 3-aryl-3-hydroxy-2-(1H-indol-3-yl)-1-phenyl-1-propanone via the cleavage of epoxides with indole promoted by ultrasound irradiation was carried out in good yields by using montmorillonite K10-ZnCl2 within 2-5 h at room

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