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24099-13-6

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24099-13-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 24099-13-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,0,9 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 24099-13:
(7*2)+(6*4)+(5*0)+(4*9)+(3*9)+(2*1)+(1*3)=106
106 % 10 = 6
So 24099-13-6 is a valid CAS Registry Number.

24099-13-6Relevant articles and documents

Synthesis and Structure-Activity Relationships among α-Adrenergic Receptor Agonists of the Phenylethanolamine Type

Leclerc, Gerard,Bizec, Jean Claude,Bieth, Nicole,Schwartz, Jean

, p. 738 - 744 (2007/10/02)

Nineteen arylethanolamine derivatives related to norepinephrine were prepared and tested for α-adrenergic stimulant activity.In one series the analogues possess a p-hydroxy function, while the meta position is substituted by methyl, ethyl, isopropyl, cyclohexyl, fluoro, chloro, iodo, carboxy, carbomethoxy, and methylsulfamido groups.The other series is meta hydroxylated with the para position substituted by the same groups.The influence of these groups upon the α-adrenergic activity is discussed, and the compounds are compared to octopamine, normetanephrine,norepinephrine, and norphenylephrine.It has been found that the introduction of an isopropyl, cyclohexyl, and fluoro group in the meta position of octopamine improves its affinity by three, five, and six times, respectively, whereas when these groups are introduced in the para position of norphenylephrine their effects are always detrimental.The most active compound, α-(aminomethyl)-(4-fluoro-3-hydroxyphenyl)methanol (44), has about one-hundreth the affinity and the same intrinsic activity as norepinephrine.

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