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158863-21-9

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158863-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 158863-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,8,6 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 158863-21:
(8*1)+(7*5)+(6*8)+(5*8)+(4*6)+(3*3)+(2*2)+(1*1)=169
169 % 10 = 9
So 158863-21-9 is a valid CAS Registry Number.

158863-21-9Relevant articles and documents

3-(2-(3-Pyridinyl)thiazolidin-4-oyl)indoles, a Novel Series of Platelet Activating Factor Antagonists

Sheppard, George S.,Pireh, Daisy,Carrera, George M.,Bures, Mark G.,Heyman, H. Robin,et al.

, p. 2011 - 2032 (2007/10/02)

(2RS,4R)-3-(2-(3-pyridinyl)thiazolidin-4-oyl)indoles represent a new class of potent, orally active antagonists of platelet activating factor (PAF). The compounds were prepared by acylation of the magnesium or zinc salts of substituted indoles with (2RS,4R)-2-(3-pyridinyl)-3-(tert-butoxycarbonyl)thiazolidin-4-oyl chloride. The 3-acylindole moiety functions as a hydrolytically stabilized and conformationally restricted anilide replacement, which imparts a considerable boost in potency to the series. Structure-activity relationships observed for substitution on the indole ring system are discussed. Members of the series compare favorably with other reported PAF antagonists.

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