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800386-02-1

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800386-02-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 800386-02-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,0,0,3,8 and 6 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 800386-02:
(8*8)+(7*0)+(6*0)+(5*3)+(4*8)+(3*6)+(2*0)+(1*2)=131
131 % 10 = 1
So 800386-02-1 is a valid CAS Registry Number.

800386-02-1Relevant articles and documents

Eremophilane sesquiterpenes from capsidiol

Zhao, Yuxin,Schenk, David J.,Takahashi, Shunji,Chappell, Joe,Coates, Robert M.

, p. 7428 - 7435 (2007/10/03)

A series of eremophilane sesquiterpene alcohols and hydrocarbons was prepared from the phytoalexin capsidiol (1) for mechanistic studies with epiaristolochene synthase and epiaristolochene dihydroxylase. Among them, 3-deoxycapsidiol (10) was obtained through selective derivatization and reductive cleavage of the equatorial 3α hydroxyl group. Two novel isomers of aristolochene and eremophilene were accessed from the 1- and 3-deoxycapsidiol isomers. 4-Epieremophilene (17) was obtained by conjugate reduction of epiaristolochen-1-one tosylhydrazone with catecholborane followed by sulfinate elimination and diimide rearrangement. Epimerization of epiaristolochen-3-one (27a) at the C4 methyl followed by reductions led to the previously unknown aristolochene isomer, eremophila-9(10),11(12)-diene (30). Optical rotations and characteristic 1H NMR data for the related eremophilenols and dienes are collected in Tables 1 and 2. Finally, bioassays were used to assess the antifungal potencies of capsidiol and its synthetic derivatives. The minimum inhibitory concentration for capsidiol (3-10 ng) was at least 1 order of magnitude lower than that of any of the derivatives and considerably lower than those previously reported for ketoconazole, nystatin, and propiconazole.

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