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4-bromobenzaldehyde N-(3-phenyl-4-oxoquinazolin-2-yl)-hydrazone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

304446-57-9

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304446-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 304446-57-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,4,4,4 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 304446-57:
(8*3)+(7*0)+(6*4)+(5*4)+(4*4)+(3*6)+(2*5)+(1*7)=119
119 % 10 = 9
So 304446-57-9 is a valid CAS Registry Number.

304446-57-9Relevant academic research and scientific papers

A new convenient synthesis of 2,4-disubstituted-1,2,4-triazolo[1,5-a] quinazolin-5(4H)-ones

Shawali, Ahmad S.,Hassaneen, Hamdi M.,Shurrab, Nabil Kh.

experimental part, p. 1825 - 1829 (2009/06/08)

(Chemical Equation Presented) A novel series of 2,4 disubstituted-1,2,4- triazolo[1,5-a]quinazolin-5(4H)-ones were prepared by Dimroth rearrangement of their respective isomers namely 1,4-disubstituted-[1,2,4]triazolo[4,3-a]- quinazolin-5(4H)-ones. The la

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