766454-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 766454-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,6,4,5 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 766454-03:
(8*7)+(7*6)+(6*6)+(5*4)+(4*5)+(3*4)+(2*0)+(1*3)=189
189 % 10 = 9
So 766454-03-9 is a valid CAS Registry Number.
766454-03-9Relevant articles and documents
Synthesis and stimulant β-adrenergic activity of o-hydroxyalkyl catecholamines
de Antoni,Eche,Guillemot,et al.
, p. 545 - 552 (2007/10/06)
For new selective bronchodilatators, the phenol function in 3-position of 3,4 and 3,5-dihydroxy phenylethanolamines was replaced by a hydroxy-alcoxy group. From the results, it is apparent that the most favorable O-substitution is a hydroxyethylation, con