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71149-55-8

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71149-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 71149-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,1,1,4 and 9 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 71149-55:
(7*7)+(6*1)+(5*1)+(4*4)+(3*9)+(2*5)+(1*5)=118
118 % 10 = 8
So 71149-55-8 is a valid CAS Registry Number.

71149-55-8Downstream Products

71149-55-8Relevant articles and documents

POTENTIAL ALLELOPATHIC ACTIVITY OF SEVERAL SESQUITERPENE LACTONE MODELS

Macias, Francisco A.,Galindo, Juan Carlos G.,Massanet, Guillermo M.

, p. 1969 - 1978 (2007/10/02)

A collection of 12 natural and synthetic sesquiterpene lactones with eudesmanolide, melampolide, cis,cis-germacranolide, and guaianolide skeletons have been prepared and tested as allelochemicals.The effect of a series of aqueous solutions at 10-4-10-9 M of this collection is evaluated.The specific structural requirements related to their activity is discussed.The natural sesquiterpene lactones soulangianolide A, melampomagnolide A and B, zaluzanin C and isozaluzanin C have been synthesized from costunolide, parthenolide and dehydrocostuslactone using SeO2 and tert-butylhydroperoxide.The structures of the synthetic compounds were established by NMR spectroscopy. Key Word Index - Sesquiterpene lactones; melampolides; cis,cis-germacranolides; guaianolides; eudesmanolides; allelopathy; Lactuca sativa.

NOVEL MELAMPOLIDES FROM MAGNOLIA x SOULANGIANA 'LENNEI'

El-Feraly, Farouk S.

, p. 2239 - 2242 (2007/10/02)

Two melampolides, soulangianolide A and soulangianolide B were isolated from the leaves of Magnolia x soulangiana 'Lennei'.Their stereochemical structures were established by spectroscopic means, and by chemical correlation with costunolide and laurenobiolide respectively.--Key Word Index--Magnolia x soulangiana; Magnoliaceae; melampolides; costunolide; laurenobiolide; NMR.

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