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144080-42-2

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144080-42-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 144080-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,0,8 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 144080-42:
(8*1)+(7*4)+(6*4)+(5*0)+(4*8)+(3*0)+(2*4)+(1*2)=102
102 % 10 = 2
So 144080-42-2 is a valid CAS Registry Number.

144080-42-2Relevant articles and documents

Preheated fly-ash catalyzed aldol condensation: Efficient synthesis of chalcones and antimicrobial activities of some 3-thienyl chalcones

Arulkumaran, Ranganathan,Vijayakumar, Sambandhamoorthy,Sakthinathan, S. Pazhanivel,Kamalakkannan, Dakshnamoorthy,Ranganathan, Kaliyaperumal,Suresh, Ramamoorthy,Sundararajan, Rajasekaran,Vanangamudi, Ganesan,Thirunarayanan, Ganesamoorthy

, p. 1684 - 1690 (2013/09/24)

In the present study we have prepared a series of some chalcones using solvent - free Aldol - condensation by microwave irradiation. The yields of the ketones are more than 60%. The synthesised chalcones were characterized by their analytical, physical and spectral data. The antimicrobial activities of substituted styryl 3-thienyl ketones have been studied using Bauer-Kirby method.

Preparation of diethyl malonate adducts from chalcone analogs containing A thienyl ring

Budak, Yakup,Burcu Guerdere,Kececi, Meryem,Ceylan, Mustafa

experimental part, p. 85 - 91 (2010/12/19)

Nine chalcone-diethyl malonate derivatives (4a-i) were prepared by the reaction of chalcone derivatives (3a-i) with diethyl malonate in the presence of a catalytic amount of KOt-Bu in CHJCIJ in good to excellent yields. The products were characterized by FTIR, 1H-NMR, 13C-NMR and elemental analyses.

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