440323-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 440323-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,4,0,3,2 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 440323-72:
(8*4)+(7*4)+(6*0)+(5*3)+(4*2)+(3*3)+(2*7)+(1*2)=108
108 % 10 = 8
So 440323-72-8 is a valid CAS Registry Number.
440323-72-8Relevant academic research and scientific papers
Synthesis of new 1-phenylthieno[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one derivatives
Song, Yang-Heon,Son, Hoon Young
, p. 597 - 603 (2011/07/07)
A series of novel 1-phenylthieno[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one derivatives 5 and 6 were synthesized by oxidative cyclization of thienopyrimidinonyl hydrazones using iodobenzene diacetate.
