317854-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 317854-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,1,7,8,5 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 317854-20:
(8*3)+(7*1)+(6*7)+(5*8)+(4*5)+(3*4)+(2*2)+(1*0)=149
149 % 10 = 9
So 317854-20-9 is a valid CAS Registry Number.
317854-20-9Relevant articles and documents
Synthesis and biological properties of selected 2-aryl-4(3H)-quinazolinones
Lee, Eung Seok,Son, Jong Keun,Na, Young Hwa,Jahng, Yurngdong
, p. 325 - 330 (2007/10/03)
A series of 2-aryl-4(3H)quinazolinones were prepared as parent systems of rutaecarpine and luoitonin A and their biological properties (cytotoxicity and COX-2 inhibitory activity) were evaluated.
