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132724-53-9

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132724-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 132724-53-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,7,2 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 132724-53:
(8*1)+(7*3)+(6*2)+(5*7)+(4*2)+(3*4)+(2*5)+(1*3)=109
109 % 10 = 9
So 132724-53-9 is a valid CAS Registry Number.

132724-53-9Relevant articles and documents

1-(Carbazol-9-ylmethyl)benzotriazole Anion: A Formyl Anion Equivalent

Katritzky, Alan R.,Yang, Zhijun,Lam, Jamshed N.

, p. 2143 - 2147 (2007/10/02)

The title anion, readily available as its lithium derivative, smoothly reacts with a wide range of electrophiles to give well-characterized products which are easily hydrolyzed to the corresponding aldehydes in high overall yields.The method is compared with currently available routes.

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