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146512-91-6

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146512-91-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 146512-91-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,5,1 and 2 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 146512-91:
(8*1)+(7*4)+(6*6)+(5*5)+(4*1)+(3*2)+(2*9)+(1*1)=126
126 % 10 = 6
So 146512-91-6 is a valid CAS Registry Number.

146512-91-6Upstream product

146512-91-6Relevant articles and documents

Et2Zn-catalyzed intramolecular hydroamination of alkynyl sulfonamides and the related tandem cyclization/addition reaction

Yin, Yan,Ma, Wenying,Chai, Zhuo,Zhao, Gang

, p. 5731 - 5736 (2008/02/09)

(Chemical Equation Presented) Intramolecular hydroamination of alkynyl amides was effected by a catalytic amount of Et2Zn (20 mol %) to form indole derivatives, and a tandem cyclization/nucleophilic addition procedure involving reaction of the indole zinc salt intermediate with acid chlorides or halides was developed to provide an efficient approach to C3-substituted indole derivatives when an excess of Et2Zn (120 mol %) was used.

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