719988-27-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 719988-27-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,1,9,9,8 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 719988-27:
(8*7)+(7*1)+(6*9)+(5*9)+(4*8)+(3*8)+(2*2)+(1*7)=229
229 % 10 = 9
So 719988-27-9 is a valid CAS Registry Number.
719988-27-9Relevant 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