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91129-13-4

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91129-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91129-13-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,1,2 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 91129-13:
(7*9)+(6*1)+(5*1)+(4*2)+(3*9)+(2*1)+(1*3)=114
114 % 10 = 4
So 91129-13-4 is a valid CAS Registry Number.

91129-13-4Downstream Products

91129-13-4Relevant 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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