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24621-54-3

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24621-54-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24621-54-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,6,2 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 24621-54:
(7*2)+(6*4)+(5*6)+(4*2)+(3*1)+(2*5)+(1*4)=93
93 % 10 = 3
So 24621-54-3 is a valid CAS Registry Number.

24621-54-3Relevant articles and documents

Novel heterobimetallic catalysts for asymmetric Michael reactions

Velmathi,Swarnalakshmi,Narasimhan

, p. 113 - 117 (2003)

The newly developed chiral catalysts 1 and 2 show opposite enantioselectivity in Michael addition reactions of cyclic enones and malonates resulting in the production of both enantiomers of products in good chemical yield and enantiomeric excess. 27

NOVEL PHOSPHOROUS (V)-BASED REAGENTS, PROCESSES FOR THE PREPARATION THEREOF, AND THEIR USE IN MAKING STEREO-DEFINED ORGANOPHOSHOROUS (V) COMPOUNDS

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Paragraph 0361; 0364, (2019/11/04)

The present invention relates to novel phosphorous (V) (P(V)) reagents, methods for preparing thereof, and methods for preparing organophosphorous (V) compounds by using the novel reagents.

Michael addition reaction of thioacetic acid (AcSH) to conjugated alkenes under solvent- and catalyst-free conditions

Sobhani, Sara,Rezazadeh, Soodabeh

experimental part, p. 2076 - 2084 (2010/12/19)

A new and convenient procedure has been developed for the Michael addition reaction of thioacetic acid (AcSH) to a variety of conjugated alkenes under solvent- and catalyst-free conditions. These reactions proceeded in 5-60 min and produced the desired products in good to high yields. Copyright Taylor & Francis Group, LLC.

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