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4H-3,1-Benzoxazin-4-one, 6,8-dibromo-2-(4-nitrophenyl)- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

80306-92-9

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80306-92-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80306-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,3,0 and 6 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 80306-92:
(7*8)+(6*0)+(5*3)+(4*0)+(3*6)+(2*9)+(1*2)=109
109 % 10 = 9
So 80306-92-9 is a valid CAS Registry Number.

80306-92-9Relevant academic research and scientific papers

Synthesis of benzimidazo[1,2-c]quinazolines as possible bronchodilators

Rao, A. Raghu Ram,Bahekar, Rajesh H.

, p. 434 - 439 (2007/10/03)

Synthesis of some 6-aryl-benzimidazo[1,2-c]quinazolines 4 have been critically investigated. The first method, based on the condensation of substituted-1,3-benzoxazin-4-(3H)-one 2 with o-phenylenediamine followed by cyclization of the resulting 2-aryl-3-(

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