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133455-43-3

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133455-43-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 133455-43-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,4,5 and 5 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 133455-43:
(8*1)+(7*3)+(6*3)+(5*4)+(4*5)+(3*5)+(2*4)+(1*3)=113
113 % 10 = 3
So 133455-43-3 is a valid CAS Registry Number.

133455-43-3Relevant articles and documents

Highly efficient Rh-catalyzed asymmetric hydrogenation of α,β-unsaturated nitriles

Yan, Qiaozhi,Kong, Duanyang,Li, Meina,Hou, Guohua,Zi, Guofu

supporting information, p. 10177 - 10181 (2015/09/01)

A highly efficient enantioselective hydrogenation of α,β-unsaturated nitriles catalyzed by Rh-(R,R)-f-spiroPhos complex has been developed. With Rh-(R,R)-f-spiroPhos catalyst and under mild conditions, a wide range of α,β-unsaturated nitriles including the (E)- and (Z)-isomers of 3-alkyl-3-aryl, 3,3-diaryl, and 3,3-dialkyl α,β-unsaturated nitriles were hydrogenated to the corresponding chiral nitriles with excellent enantioselectivities (up to 99.9% ee) and high turnover numbers (TON up to 10,000).

Acyl guanidine sodium/proton exchange inhibitors and method

-

, (2008/06/13)

Acyl guanidines are provided which are sodium/proton exchange (NHE) inhibitors which have the structure STR1 wherein n is 1 to 5; X is N or C--R5 wherein R5 is H, halo, alkenyl, alkynyl, alkoxy, alkyl, aryl or heteroaryl; and R1, R2, R3 and R4 are as defined herein, and where X is N, R1 is preferably aryl or heteroaryl, and are useful as antianginal and cardioprotective agents. In addition, a method is provided for preventing or treating angina pectoris, cardiac dysfunction, myocardial necrosis, and arrhythmia employing the above acyl guanidines.

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