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51764-98-8

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51764-98-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51764-98-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,7,6 and 4 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 51764-98:
(7*5)+(6*1)+(5*7)+(4*6)+(3*4)+(2*9)+(1*8)=138
138 % 10 = 8
So 51764-98-8 is a valid CAS Registry Number.

51764-98-8Downstream Products

51764-98-8Relevant articles and documents

β-Adrenergic blocking agents. 20. (3-Hydroxyprop-1-enyl)-substituted 1-(aryloxy)-3-(alkylamino)propan-2-ols

Tucker

, p. 1122 - 1126 (2007/10/02)

The synthesis of a series (3-hydroxyprop-1-enyl)-substituted 1-(aryloxy)-3-(alkylamino)propan-2-ols is described. These compounds were investigated for their β-adrenoreceptor blocking properties and their selectivity of action. Among the o-(hydroxypropenyl)-substituted derivatives the authors have found some potent noncardioselective β-adrenoreceptor blocking agents which have a greater blocking action on the β2 receptor, thus resembling propanolol. The p-(hydroxypropenyl)-substituted analogues were generally less potent and tended to be cardioselective. The structure-activity relationships are discussed in the light of the hypothesis that the cardioselectivity of p-amido-substituted (aryloxy)propanolamines is attributable, in part, to binding of the amide group to some additional site on the β receptor; these findings argue against a similar interaction for the allylic hydroxyl group.

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