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1420904-50-2

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1420904-50-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1420904-50-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,0,9,0 and 4 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1420904-50:
(9*1)+(8*4)+(7*2)+(6*0)+(5*9)+(4*0)+(3*4)+(2*5)+(1*0)=122
122 % 10 = 2
So 1420904-50-2 is a valid CAS Registry Number.

1420904-50-2Downstream Products

1420904-50-2Relevant articles and documents

Ultrasound-based approach to spiro-2,3-dihydroquinazolin-4(1H)-ones: Their in vitro evaluation against chorismate mutase

Rambabu,Kiran Kumar,Yogi Sreenivas,Sandra, Sandhya,Kandale, Ajit,Misra, Parimal,Basaveswara Rao,Pal, Manojit

, p. 495 - 501 (2013)

Amberlyst-15 has been identified as a green and reusable catalyst in the synthesis of spiro 2,3-dihydroquinazolin-4(1H)-ones under ultrasound irradiation at room temperature. The reaction can be performed in an open flask as the conversion was found to be not sensitive to the presence of air or atmospheric moisture. The methodology was found to be general and a wide variety of spiro 2,3-dihydroquinazolin-4(1H)-ones were prepared from 2-aminobenzamides and cyclic ketones within a few minutes in quantitative yields. The products isolated do not require any chromatographic purification. This method provides advantages such as shorter reaction time, high yields of products, and simple operational procedures. Some of the compounds showed chorismate mutase inhibitory properties when tested in vitro.

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