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188690-85-9

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188690-85-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 188690-85-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,8,6,9 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 188690-85:
(8*1)+(7*8)+(6*8)+(5*6)+(4*9)+(3*0)+(2*8)+(1*5)=199
199 % 10 = 9
So 188690-85-9 is a valid CAS Registry Number.

188690-85-9Relevant articles and documents

PREPARATION OF (R,R)-FENOTEROL AND (R,R)- OR (R,S)-FENOTEROL ANALOGUES AND THEIR USE IN TREATING CONGESTIVE HEART FAILURE

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Page/Page column 41-42, (2008/06/13)

This disclosure concerns the discovery of (R,R)- and (R,S)-fenoterol analogues which are highly effective at binding β2-adrenergic receptors. Exemplary chemical structures for these analogues are provided. Also provided are pharmaceutical compositions including the disclosed (R,R)-fenoterol and fenoterol analogues, and methods of using such compounds and compositions for the treatment of cardiac disorders such as congestive heart failure and pulmonary disorders such as asthma or chronic obstructive pulmonary disease.

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