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54754-53-9

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54754-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54754-53-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,5 and 4 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54754-53:
(7*5)+(6*4)+(5*7)+(4*5)+(3*4)+(2*5)+(1*3)=139
139 % 10 = 9
So 54754-53-9 is a valid CAS Registry Number.

54754-53-9Downstream Products

54754-53-9Relevant articles and documents

Synthesis, structure, and photoluminescence of 5-phenyl-2-pyridyl-5,6- dihydro[1,2,4]triazolo[1,5-c]quinazolines

Gusev, A. N.,Shulgin, V. F.,Topilova, Z. M.,Meshkova, S. B.

, p. 95 - 98,4 (2020/09/16)

The reactions of salicylaldehyde and benzoic aldehyde with 5-(2-aminophenyl)-3-pyridyl-1?-1,2,4-triazoles were studied. The reaction products are 5-phenyl-2-pyridyl-5,6-dihydro[1,2,4]triazolo[1,5-c]quinazolines. The structures of the synthesized compounds were determined by IR spectroscopy and 1? and 13? NMR spectroscopy. The luminescence properties of solutions and solid samples were studied.

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