305834-41-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305834-41-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,8,3 and 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 305834-41:
(8*3)+(7*0)+(6*5)+(5*8)+(4*3)+(3*4)+(2*4)+(1*1)=127
127 % 10 = 7
So 305834-41-7 is a valid CAS Registry Number.
305834-41-7Relevant articles and documents
A convenient method for the synthesis of 3,5,7-trimethoxy-2-phenyl-4-quinolones
Beney,Hadjeri,Mariotte,Boumendjel
, p. 7037 - 7039 (2007/10/03)
The synthesis of 2-aryl-3,5,7-trimethoxy-4-quinolones was accomplished in three steps starting from 3,5-dimethoxyaniline and an aroyl chloride. These structures might be used as potential flavonol analogs. (C) 2000 Elsevier Science Ltd.
