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7-phenyl-9H-6-oxa-5,8-diaza-benzocycloheptene-5,8-dicarboxylic acid bis-phenylamide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

819072-85-0

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819072-85-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 819072-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,1,9,0,7 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 819072-85:
(8*8)+(7*1)+(6*9)+(5*0)+(4*7)+(3*2)+(2*8)+(1*5)=180
180 % 10 = 0
So 819072-85-0 is a valid CAS Registry Number.

819072-85-0Downstream Products

819072-85-0Relevant academic research and scientific papers

Synthesis of 2-aryl-1,2,3,4-tetrahydroquinazolin-1-ols and their conversion to 7-aryl-9H-6-oxa-5,8-diaza-benzocycloheptenes

Co?kun, Necdet,?etin, Meliha

, p. 8973 - 8975 (2007/10/03)

Quinazolines 2 were oxidized to give 3, which underwent ring expansion when treated with aryl isocynates. 2-Aminobenzylamine was reacted with corresponding aromatic or heteroaromatic aldehydes to give 1,2,3,4-tetrahydroquinazolines 1 the oxidation of whic

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