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117423-68-4

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117423-68-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 117423-68-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,4,2 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 117423-68:
(8*1)+(7*1)+(6*7)+(5*4)+(4*2)+(3*3)+(2*6)+(1*8)=114
114 % 10 = 4
So 117423-68-4 is a valid CAS Registry Number.

117423-68-4Downstream Products

117423-68-4Relevant articles and documents

Novel synthesis of α-acetylstyrylphosphonates

Sakoda,Matsumoto,Seto

, p. 705 - 713 (2007/10/02)

α-Acetylstyrylphosphonates were conveniently synthesized from 2-oxopropylphosphonates and substituted (dimorpholinomethyl)-benzenes (animals). 4-Benzylidenemorpholinium carboxylates, generated from animals by the action of α-halo acids, reacted with the phosphonates to give the products by elimination of the amine. The yields were influenced by the nature of substituents and their position in the phenyl ring and could be improved by adjustment of the acidities of the reacted acids. α-Acetylstyrylphosphonates containing various substituents on every position (at the 2-, 3-, or 4-position) in the phenyl ring were obtained generally in excellent yields using monochloroacetic acid.

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