Cas 144785-53-5,1,3-Dimethyl-7-methylsulfanyl-5-phenyl-1H-quinazoline-2,4-dione

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Check Digit Verification of cas no

The CAS Registry Mumber 144785-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,7,8 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 144785-53:
(8*1)+(7*4)+(6*4)+(5*7)+(4*8)+(3*5)+(2*5)+(1*3)=155
155 % 10 = 5
So 144785-53-5 is a valid CAS Registry Number.

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144785-53-5Relevant academic research and scientific papers

Cycloaromatization of α-oxoketene dithioacetals with enaminone derived carbanions

Satyanarayana,Reddy,Ila,Junjappa

, p. 6173 - 6176 (2007/10/02)

Lithium enolates 3b and 6b derived from 1,3,6-trimethyluracil (3a) and 3-pyrrolidinocrotonate (6a) undergo regioselective γ-1,4- and γ-1,2-additions respectively with α-oxoketene dithioacetals 7 to yield the corresponding quinazolines and amino substituted aromatic compounds after subsequent cycloaromatization.

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