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91199-17-6

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91199-17-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91199-17-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,9 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 91199-17:
(7*9)+(6*1)+(5*1)+(4*9)+(3*9)+(2*1)+(1*7)=146
146 % 10 = 6
So 91199-17-6 is a valid CAS Registry Number.

91199-17-6Downstream Products

91199-17-6Relevant articles and documents

Studies on the Chemistry of Isoindoles and Isoindolenines, XXIX. - Reactions of 2H-Isoindole with Maleic Imides: A Simple Procedure for the Preparation of 7-Azabicycloheptenes

Kreher, Richard P.,Use, Goetz

, p. 927 - 934 (2007/10/02)

Solutions of 2H-isoindole 1 in ether were prepared by a simple procedure and treated with maleic imides 2. 1,3-Cycloaddition reactions lead to the formation of 1:1 adducts 3 with an 7-azabicycloheptene frame.The endo isomers 3.1 can thermally be isomerized to the more stable exo isomers 3.2.The constitution and configuration of the 1:1 cycloadducts 3 are established by 1H- and 13C-NMR spectroscopy.

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