134049-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134049-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,0,4 and 9 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 134049-81:
(8*1)+(7*3)+(6*4)+(5*0)+(4*4)+(3*9)+(2*8)+(1*1)=113
113 % 10 = 3
So 134049-81-3 is a valid CAS Registry Number.
134049-81-3Relevant articles and documents
New bronchodilators. II. 3H-imidazo[4,5-c]quinolin-4(5H)-ones
Suzuki,Kuroda,Hayashi,Nakasato,Manabe,Ohmori,Kitamura
, p. 3245 - 3252 (2007/10/02)
A series of novel 3-substituted imidazo[4,5-c]quinolin-4(5H)-ones (2a-w) was prepared by the reaction of imidazo[4,5-c]quinolin-4(5H)-ones (6) with several electrophiles under basic conditions. The bronchodilatory activity of these compounds was evaluated
